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Question for UPPCL Technician Line - Quiz / Questions / MCQ in English
Last Update on : October 11, 2026
Duration: 120 ยท Questions: 250 ยท Max Marks: 250
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Latest UPPCL Technician Line Exam Question (Objective Questions), MCQ in English
Subjects : Computer Knowledge, General Hindi, General Studies, Reasoning ability, Electrical, General English
Question Bank UPPCL Technician Line (Electrical) Exam - English
Computer Knowledge
Q 1 :
Which Windows interface element typically appears to display information, a warning, an error message, or a request for confirmation?
- A.Window
- B.Pop-up menu
- C.Message box
- D.Taskbar
Q 2 :
What is active desktop ?
- A.a term that is synonymous with viewing your desktop as web page
- B.a feature to customize your desktop to display informating you can update from the internet
- C.both a and b above mentioned
- D.A software
- E.None of these
Q 3 :
What is meant by an active window?
- A.A window that is minimized
- B.The window currently receiving user input
- C.Any window currently open
- D.The window opened first
Q 4 :
What was America Online (AOL) primarily known for during the early popularization of consumer Internet access?
- A.An online service providing Internet access and proprietary online content
- B.A computer operating system
- C.A spreadsheet application
- D.A database management system
Q 5 :
An application is
- A.word processing, accounting and engineering programs are example of application programs
- B.computer program designed to enable users to perform specific job functions
- C.Both a and b above mentioned
- D.a document
- E.None of these
Q 6 :
Which of the following programs enables you to calculate numbers related to rows and columns?
- A.Window program
- B.Spreadsheet program
- C.Graphics program
- D.Word program
- E.None of these
Q 7 :
The term Briefcase is used for
- A.a special folder on the windows desktop used to keep documents up to date when shared between computers
- B.a window that us currently open
- C.A folder which keeps deleted, files for a while and can be retrieved from it
- D.All of the above
- E.None of these
Q 8 :
In a graphical user interface, what is a button primarily used for?
- A.Executing a command or initiating an action
- B.Permanently storing data
- C.Displaying the computer's IP address
- D.Formatting a disk automatically
Q 9 :
A channel (in windows terminology) is
- A.a widely used online service that offers access to the internet
- B.a specialized web site designed to work with the windows 98 subscribing feature to automatically download information from the internet and store it on your computer for later viewing
- C.an area on the computer memory where text or graphics can be temporarily stored
- D.All of the above
- E.None of these
Q 10 :
What does a checked checkbox generally indicate in a graphical user interface?
- A.The associated option is enabled or selected
- B.The application has closed
- C.The file has been deleted
- D.The computer is offline
Q 11 :
The term classic style implies
- A.you can click on an item to select it and double click on an item to open it
- B.a folder options setting that tells double click on an item to open it
- C.both a and b
- D.font style
- E.None of these
Q 12 :
The term click implies
- A.to quickly push and release the main mouse button when onscreen mouse pointer is positioned over the desired item
- B.a button in a dialog box
- C.to shut down or exit a dialog box
- D.All of the above
- E.None of these
Q 13 :
What is the primary function of the Close button marked with an X on a window?
- A.Minimize the window
- B.Close the associated window or application
- C.Maximize the window
- D.Move the window
Q 14 :
A command button
- A.is a one in a dialog box such as open, close, exit OK or cancel that carries out a command
- B.is a symbol that designates the position on the screen where text or codes will be inserted or deleted
- C.is a sort on screen from where you can open and manages files and programs
- D.is a small button with an X on it
- E.None of these
Q 15 :
What is smallest unit of the information?
- A.A bit
- B.A byte
- C.A block
- D.A nibble
Q 16 :
A cursor is
- A.to make a selection from the document from the document and duplicate it on the clipboard
- B.a symbol that designated the position on the screen where text or codes will be inserted or deleted
- C.pressing and holding the main mouse button
- D.A button in a dialog box
- E.None of these
Q 17 :
What is a Database Management System (DBMS)?
- A.A structured collection of data only
- B.Software used to create, manage, retrieve, and update data in databases
- C.A physical device for storing database backups
- D.A programming language used only for calculations
Q 18 :
The meaning of cut is
- A.to take a selection from the document and move it to the clipboard
- B.to cut a document in two unequal parts
- C.to cut a document in two equal parts
- D.Only b and c are correct
Q 19 :
A setting or action predetermined by the program unless changed by the user is called as
- A.pre - determined setting
- B.user - setting
- C.default
- D.setting
- E.None of these
Q 20 :
The search back ground and main area of windows where you can open and manage files and programs is
- A.wall paper
- B.desktop
- C.background
- D.All of the above
- E.None of these
Q 21 :
What is a dialog box in a graphical user interface?
- A.An on-screen window used to display information or obtain user input and selections
- B.A tool used exclusively for audio and video calls
- C.A hardware device used for voice commands
- D.A program used exclusively to browse websites
Q 22 :
A letter, memo, proposal, or other that is created using Microsoft word is called as
- A.Master
- B.slide
- C.document
- D.worksheet
- E.None of these
Q 23 :
The meaning of double click is
- A.pushing and releasing the main mouse button twice in rapid succession when the on - tree mouse pointer is positioned over the desired item
- B.appearance of an icon
- C.to take a selection from the document and move it to the clipboard
- D.All of the above
- E.None of these
Q 24 :
The term drag and drop means
- A.appearance of an icon
- B.used for selecting text
- C.to move text or an object by positioning the mouse pointer on the item you want to move, pressing and holding the mouse button to drop the object into its new location
- D.to take a selection from the document and move it to the clipboard
- E.None of these
Q 25 :
What does dragging with a mouse mean?
- A.Holding down a mouse button while moving the mouse pointer
- B.Closing an application
- C.Double-clicking an icon without moving the mouse
- D.Restarting the computer
Q 26 :
What is the purpose of a drop-down list in a graphical user interface?
- A.To display a list of selectable choices when expanded
- B.To permanently delete selected files
- C.To close all running applications
- D.To display only error messages
Q 27 :
The default name for a desktop icon that opens an explore window displaying information about your system’s disk drives and also special system folders like printers and control panel
- A.my computer
- B.news groups
- C.message box
- D.network neighbourhood
- E.None of these
Q 28 :
________________ means to enlarge window to its maximum area so that it will full entire desktop
- A.maximize
- B.zoom
- C.enlarge
- D.extend
- E.None of these
Q 29 :
What is HTML primarily used for?
- A.Defining the structure and meaning of content on web pages
- B.Managing computer hardware drivers
- C.Encrypting all Internet traffic
- D.Controlling the computer's BIOS
Q 30 :
What is the process of visually emphasizing selected text or an object on a computer screen commonly called?
- A.Shading
- B.Hyperlinking
- C.Highlighting
- D.Compiling
Q 31 :
What is an icon in a graphical user interface?
- A.An action performed when a button is clicked
- B.A small graphical representation of an application, command, file, folder, or function
- C.A type of computer memory
- D.A text-only command prompt
Q 32 :
In graphical user interfaces, what does an ellipsis (...) following a menu command commonly indicate?
- A.The command will open a dialog box or require additional input
- B.The command will immediately shut down the computer
- C.The command has already been executed
- D.The command cannot be selected
Q 33 :
_____________ is an area of memory assigned to store any e-mail message for the user
- A.Outlook express
- B.yahoo.com
- C.post- box
- D.mail box
- E.None of these
Q 34 :
Group of letters, numbers, and symbols with a common typerface is called as
- A.file
- B.font
- C.style
- D.GUI
- E.None of these
Q 35 :
A___ is an electronic device that process data converting into information.
- A.processor
- B.computer
- C.menu
- D.mouse
- E.None of these
Q 36 :
This is the process of getting access to the computer
- A.sign in
- B.log in
- C.log off
- D.enter
- E.None of these
Q 37 :
The full step wise process of closing a computer is called
- A.shutting
- B.closing
- C.log off
- D.shut down
- E.None of these
Q 38 :
What is a clickable connection from one web document or resource to another called?
- A.Hyperlink
- B.Compiler
- C.Cursor
- D.Clipboard
Q 39 :
This device is used to connect your computer with a telephone line, so that can access information form other servers and ordinary users too, said device is called
- A.modem
- B.set top box
- C.LAN card
- D.UPS
- E.None of these
Q 40 :
What is an Internet discussion area where users exchange messages about a particular subject traditionally called?
- A.Newsgroup
- B.Spreadsheet
- C.Search engine
- D.Device driver
Q 41 :
Which two functional units are fundamental components of a CPU?
- A.Control Unit and Arithmetic Logic Unit
- B.Keyboard and mouse
- C.Monitor and printer
- D.Hard disk and optical drive
Q 42 :
Hardware that are easily attached to computer and can be played instantly are called as
- A.multimedia
- B.plug and play
- C.digital
- D.point to point
- E.None of these
Q 43 :
There is a central file in windows OS that is used to keep track of information about installed hardware and software and their preferences on the specific computer. This file is
- A.system database
- B.main menu
- C.registry
- D.directory
- E.None of these
Q 44 :
It is the smallest dot that can be uniquely drawn on a computer screen.This is
- A.Boxel
- B.Computer dort
- C.Cursor
- D.Pixel
- E.None of these
Q 45 :
In an office document, a picture, chart, shape, or other inserted item is generally treated as what?
- A.Object
- B.Clipboard
- C.Cursor
- D.Taskbar
Q 46 :
What is a quick press and release of the secondary mouse button called?
- A.Right-click
- B.Double-click
- C.Drag
- D.Scroll
Q 47 :
An operation to retrieve information image as well as text which is stored in clip board and inset it at the destined place is
- A.copy
- B.insert
- C.select
- D.paste
- E.None of these
Q 48 :
Display bar that list all the open folders and active application is
- A.menu bar
- B.tool bar
- C.task bar
- D.window list
- E.None of these
Q 49 :
A large space common in most of the windows which is for user’s work with that application is
- A.application view
- B.work area
- C.project view
- D.tool bars
- E.None of these
Q 50 :
__________- is the list of print jobs waiting to be sent to a particular printer
- A.print list
- B.job queue
- C.print requests
- D.print queue
- E.None of these
Important Questions Package
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| Sr. | Package Name | Amount | |
|---|---|---|---|
| 1. | UPPCL Technician Line Exam - Hindi Description : 2000 Question with Answer | โน191 | |
| 2. | UPPCL Technician Line (Electrical) Exam - English (New 2022) Description : 2500 Question with Answer. | โน271 | |
| 3. | UPPCL Technician Line (Electrical) Exam - Hindi (New 2022) Description : 2500 Question with Answer. | โน271 |
General Hindi
Q 51 :
'เค' เค
เคฐเฅ เคฎเฅเค เคฌเคฆเคฒเคคเคพ เคนเฅ -
- A. เคเฅเคฃ เคธเคเคงเคฟ เคเฅ เค เคจเฅเคธเคพเคฐ
- B. เคฏเคฃ เคธเคเคงเคฟ เคเฅ เค เคจเฅเคธเคพเคฐ
- C. เคตเฅเคฆเฅเคงเคฟ เคธเคเคงเคฟ เคเฅ เค เคจเฅเคธเคพเคฐ
- D. เค เคฏเคพเคฆเคฟ เคธเคเคงเคฟ เคเฅ เค เคจเฅเคธเคพเคฐ
Q 52 :
เคจเคฟเคฎเฅเคจ เคฎเฅเค เคเฅเคจเคธเคพ เคจเคพเคธเคฟเคเฅเคฏ เคตเฅเคฏเคเคเคจ เคนเฅ -
- A. เคคเฅ
- B. เคจเฅ
- C. เคฆเฅ
- D. เคญเฅ
Q 53 :
เคจเคฟเคฎเฅเคจ เคฎเฅเค เคธเฅ เคเคคเฅเคเฅเคทเคฟเคชเฅเคค เคตเฅเคฏเคเคเคจ เคนเฅ -
- A. เคฒ
- B. เคท
- C. เคกเคผ
- D. เคจ
Q 54 :
เคจเคฟเคฎเฅเคจ เคฎเฅเค เคธเฅ เค
เคฒเฅเคช เคชเฅเคฐเคพเคฃ เคจเคนเฅเค เคนเฅ -
- A. เค
- B. เค
- C. เค
- D. เคฆ
Q 55 :
เคคเคพเคฒเคตเฅเคฏ เคตเฅเคฏเคเคเคจ เคนเฅ-
- A. เค เคก เคฆ เคข
- B. เค เค เค เค
- C. เคค เคฅ เคฆ เคง
- D. เคช เคซ เคฌ เคญ
Q 56 :
'เค
' เคธเฅเคตเคฐ เคเคพ เคเคเฅเคเคพเคฐเคฃ เคธเฅเคฅเคพเคจ เคเฅเคฏเคพ เคนเฅ -
- A. เคฎเฅเคฐเฅเคงเคพ
- B. เคเคฃเฅเค
- C. เคคเคพเคฒเฅ
- D. เคเคทเฅเค
Q 57 :
เคจเคฟเคฎเฅเคฒเคเคฟเคค เคฎเฅ เคเคเค- เคคเคพเคฒเคตเฅเคฏ เคธเฅเคตเคฐ เคเฅเคจเคธเฅ เคนเฅ ?
- A. เค - เค
- B. เค - เค
- C. เค - เค
- D. เคค - เคฆ
Q 58 :
เคเฅ เคงเคพเคคเฅ เคฏเคพ เคถเคฌเฅเคฆ เคเฅ เค
เคเคค เคฎเฅเค เคเฅเฅเคพ เคเคพเคคเคพ เคนเฅ เคเคธเฅ เคเคนเคคเฅ เคนเฅ ?
- A. เคธเคฎเคพเคธ
- B. เค เคตเฅเคฏเคฏ
- C. เคเคชเคธเคฐเฅเค
- D. เคชเฅเคฐเคคเฅเคฏเคฏ
Q 59 :
เคชเฅเคฐเคเฅเคฏเคพเคค เคฎเฅเค เคชเฅเคฐเคฏเฅเคเฅเคค เคเคชเคธเคฐเฅเค เคนเฅ -
- A. เคชเฅเคฐ
- B. เคค
- C. เคชเฅเคฐเค
- D. เคเคค
Q 60 :
'เคธเคพเคเฅ' เคถเคฌเฅเคฆ เคเคพ เคคเคคเฅเคธเคฎ เคฐเฅเคช เคนเฅ -
- A. เคธเคเฅ
- B. เคถเคพเคเคพ
- C. เคฐเคพเคเฅ
- D. เคธเคพเคเฅเคทเฅ
Q 61 :
เคเคฟเคธ เคเฅเคฐเคฎ เคฎเฅเค เคตเฅเคคเฅเคคเคฎเฅเคเฅ เคธเฅเคตเคฐ เคจเคนเฅเค เคนเฅ -
- A. เค
- B. เคเค
- C. เค
- D. เค
Q 62 :
เคเคชเคธเคฐเฅเค เคเคพ เคชเฅเคฐเคฏเฅเค เคนเฅเคคเคพ เคนเฅ -
- A. เคถเคฌเฅเคฆ เคเฅ เคเคฆเคฟ เคฎเฅเค
- B. เคถเคฌเฅเคฆ เคเฅ เคฎเคงเฅเคฏ เคฎเฅเค
- C. เคถเคฌเฅเคฆ เคเฅ เค เคเคค เคฎเฅเค
- D. เคเคจเคฎเฅ เคธเฅ เคเฅเค เคจเคนเฅเค
Q 63 :
'เคชเคเคกเคฟเคค เคฆเฅเคง เคชเฅเคคเคพ เคนเฅ' เคเคธ เคตเคพเคเฅเคฏ เคฎเฅเค เคเคพเคฐเค เคนเฅ -
- A. เคเคฐเฅเคฎ, เคเคฐเคฃ
- B. เคธเคฎเฅเคชเฅเคฐเคฆเคพเคจ, เคธเคฎเฅเคฌเคจเฅเคง
- C. เคเคฐเฅเคคเคพ, เคเคฐเฅเคฎ
- D. เคเคจเคฎเฅเค เคธเฅ เคเฅเค เคจเคนเฅเค
Q 64 :
'เคจเฅ' เคเคฟเคธ เคเคพเคฐเค เคเคพ เคเคฟเคนเฅเคจ เคนเฅ -
- A. เคเคฐเฅเคคเคพ
- B. เคเคฐเคฃ
- C. เคธเคฎเฅเคชเฅเคฐเคฆเคพเคจ
- D. เคเคฐเฅเคฎ
Q 65 :
'เคตเคน เคเคนเคพเค เคเคพเคนเฅ, เคเคพเคฏเฅ; เคฎเฅเคเฅ เคเฅเคฏเคพ เคฒเฅเคจเคพ-เคฆเฅเคจเคพเฅค' เคฏเคน เคเฅเคธเคพ เคตเคพเคเฅเคฏ เคนเฅ -
- A. เคธเคเคฏเฅเคเฅเคค เคตเคพเคเฅเคฏ
- B. เคธเคฐเคฒ เคตเคพเคเฅเคฏ
- C. เคฎเคฟเคถเฅเคฐเคฟเคค เคตเคพเคเฅเคฏ
- D. เคธเคเคฏเฅเคเฅเคค-เคฎเคฟเคถเฅเคฐเคฟเคค เคตเคพเคเฅเคฏ
General Studies
Q 66 :
Copper tools from which age were found in Meerut and Saharanpur?
- A.Mesolithic age
- B.Paleolithic age
- C.Neolithic age
- D.Chalcolithic age
Q 67 :
Which of the following centres of Uttar Pradesh is not related to Indus valley Civilization?
1. Kalibanga 2.Lothal
3. Alamgirpur 4.Hulas
1. Kalibanga 2.Lothal
3. Alamgirpur 4.Hulas
- A.Codes
1, 2, 3 and 4 - B.1 and 2
- C.2 and 3
- D.3 and 4
Q 68 :
Which site was discovered by Bharat Sevak Samaj on the bank of river Hindon?
- A.Alamgirpur
- B.Belan Valley
- C.Baghrikhor
- D.Morhana Mountain
Q 69 :
Kosala (Ayodhya) mentioned Rama story' was related to which of the following dynasties?
- A.Videhi
- B.Ikshvaku
- C.Chandel
- D.Kurd
Q 70 :
Which of the following Buddhist Literatures mentions the Mahajanapadas?
- A.Bhagavati Sutra
- B.Jataka
- C.Anguttara Nikaya
- D.Garbhavakranti Sutra
Q 71 :
Which Indian Business person recently became the third-richest person in the world, as per the Bloomberg Billionaire Index ?
- A.Mukesh Ambani
- B.Gautam Adani
- C.Cyrus Poonawala
- D.Radhakishan Damani
Q 72 :
Which Institution/council released the ‘Competitiveness Roadmap for India@100’Report ?
- A.NITI Aayog
- B.Economic Advisory Council
- C.National Council of Applied Economic Research
- D.Centre for Policy Research
Q 73 :
Which Indian state/UT has inaugurated the ‘Rajiv Gandhi Rural Olympic Games’ ?
- A.Assam
- B.Rajasthan
- C.Chhattisgarh
- D.Telangana
Q 74 :
Which city hosted the ‘UN’ session to save Biodiversity’ ?
- A.New York
- B.Paris
- C.Rome
- D.Tokyo
Q 75 :
Which state/UT got its second railway station after a gap of 100 years ?
- A.Arunachal Pradesh
- B.Nagaland
- C.Assam
- D.Mizoram
Reasoning ability
Q 76 :
According to the passage, what is the main purpose of data protection laws ?
- A.To ensure that foreign countries invest in research for drugs to treat diseases like TB
- B.To attract Indian scientists back to the country
- C.To prevent misuse of research to make profit by competing companies
- D.To make clinical trials more acceptable to the public
- E.None of these
Q 77 :
‘Gram’ is relatd to ‘Mass’ in the same way as ‘Centimetre’ is related to
- A.Area
- B.Volume
- C.Length
- D.Sound
- E.Energy
Q 78 :
'Mustard' is related to 'Seed' in the same way as 'Carrot' is related to
- A.Fruit
- B.Stem
- C.Flower
- D.Root
- E.None of these
Q 79 :
Which of the following pairs of words have the same relationship as Fan : Heat?
- A.Water : Drink
- B.Light : Night
- C.Teach : Student
- D.Air : Breathe
- E.Food : Hunger
Q 80 :
'Radish' is related to 'Root', in the same way as 'Brinjal' is related to
- A.Fruit
- B.Stem
- C.Flower
- D.Root
- E.None of these
Q 81 :
'Jackal' is related to 'Carnivorous', in the same way as 'Goat' is related to
- A.Omnivorous
- B.Carnivorous
- C.Herbivorous
- D.Multivorous
- E.None of these
Q 82 :
Which of the following pairs has similar relationship as Run : Race?
- A.Party : Dance
- B.Study : Book
- C.Lecture : Study
- D.Enjoy : Journey
- E.None of these
Q 83 :
Which of the following has same relationship as that of Money : Wealth?
- A.Pity : Kindness
- B.Cruel : Anger
- C.Wise : Education
- D.Pride : Humility
- E.None of these
Q 84 :
Which of the following is related to ‘Melody’, in the same way as ‘Delicious’ is related to 'Taste'?
- A.Memory
- B.Highness
- C.Tongue
- D.Speak
- E.Voice
Q 85 :
Offhand’ is related to ‘Premeditation’ in the same way as ‘Above board’ is related to
- A.Integrity
- B.Honesty
- C.Guide
- D.Competition
- E.None of these
Electrical
Q 86 :
Assuming both the voltage sources are in phase, the value of R for which maximum power is transferred from circuit A to circuit B is

- A.0.8 รขโยฆ
- B.1.4 รขโยฆ
- C.2 รขโยฆ
- D.2.8 รขโยฆ
Q 87 :
For the intrinsic gallium-arsenide, the conductivity at room temperature 25°C is 10-6 (ohm-m)-1, the electron and hole nobilities are 0.85 m2/V-s and 0.04 m2/V-s respectively. What is the intrinsic carrier concentration at the room temperature?
- A.7.0 × 1012 m-3
- B.7.0 × 10-12 m-3
- C.7.0 × 10-12 m3
- D.7.0 × 1012 m3
Q 88 :
The resistivity of intrinsic germanium at 30°C is 0.46 –m. What is the intrinsic carrier density at 30°C if the electron mobility is 0.38 m2/V-s and the hole mobility is 0.18 m2/V-s?
- A.9.2 × 105/m3
- B.2.77 × 103/m3
- C.2.43 × 1019/m3
- D.8.9 × 1012/m3
Q 89 :
Heat conduction in a semiconductor takes place
- A.By the mobility of the carriers
- B.Due to energy gap between conduction band and valency band
- C.By the holes and thermal vibrations of atoms
- D.By the electrons and thermal vibrations of atoms
Q 90 :
Brewster angle is the angle when a wave is incident on the surface of a perfect dielectric at which there is no reflected wave and the incident wave is
- A.Parallel polarized
- B.Perpendicularly polarized
- C.Normally polarized
- D.None of the above
Q 91 :
An electrical breakdown of a p-n junction occurs if
- A.Forward voltage increases up to the rating
- B.Reverse voltage increases beyond the rating
- C.Forward voltage decreases below the rating
- D.Reverse voltage decreases below the rating
Q 92 :
The chief deterrent to the widespread application of superconducting materials is
- A.Very difficult to form, machine or case
- B.The difficult in attaining and maintaining extremely low temperature
- C.The poor strength-to-weight ratio
- D.The lower oxidation rate at elevated temperatures
Q 93 :
Which one of the following properties is not observed in the carbon nanotubes ?
- A.High stiffness and strengths
- B.Low densities
- C.Unusual electrical property
- D.Non-ductile
Q 94 :
The evidence for the importance of electron-phonon interaction in super-conductors comes from
- A.Meissner effect
- B.Josephson effect
- C.Isotope effect
- D.x quantization experiments
Q 95 :
Which one of the following materials is used for cable insulation ?
- A.Phenol formaldehyde
- B.Polytetrafluoroethylene
- C.Polyvinyl chloride
- D.Acrylonitrile butadiene styrene
Q 96 :
For high speed reading and storing of information in a computer, the material used is
- A.Ferrite
- B.Piezoelectric
- C.Pyroelectric
- D.Ferromagnetic above 768°C
Q 97 :
The temperature above which an anti-ferromagnetic material becomes paramagnetic is called
- A.Peak temperature
- B.Neel temperatur
- C.Critical temperature
- D.Weiss temperature
Q 98 :
Which effect is the converse of Peltier effect ?
- A.Seeback effect
- B.Thomson effect
- C.Hall effect
- D.Joule effect
Q 99 :
Magnetic materials which may be readily magnetized in either direction are
- A.Soft magnetic materials
- B.Hard magnetic materials
- C.High eddy current loss materials
- D.High hysteresis loss materials
Q 100 :
Consider the following statements regarding a ferromagnetic material:
1.Below the ferromagnetic Curie temperature, the ferromagnetic materials exhibit hysteresis effect.
2.The coercive force is the filed required to reduce the flux density to zero.
Which of the above statements is/are correct?
1.Below the ferromagnetic Curie temperature, the ferromagnetic materials exhibit hysteresis effect.
2.The coercive force is the filed required to reduce the flux density to zero.
Which of the above statements is/are correct?
- A.Both 1 and 2
- B.Neither 1 nor 2
- C.1 only
- D.2 only
Q 101 :
The impact ionization phenomenon in semiconductor may be viewed as the reverse process of
- A.Radiative recombination
- B.Auger recombination
- C.Surface recombination
- D.Shockley-Read-Hall recombination
Q 102 :
Refractive index of a slice glass can be reduced by doping it with tiny amount of
- A.GeO2
- B.B2O3
- C.P2O5x
- D.Al2O3
Q 103 :
If a diameter of a copper wire is increased by two times keeping its terminal voltage same, then the drift velocity will
- A.Become twice
- B.Become half
- C.ecome four times
- D.Remain unchanged
Q 104 :
In an induction type energy meter, the steady speed attained by the rotating disc is
1.Proportional to the deflecting torque.
2.Proportional to the resistance of the path of eddy currents.
3.Inversely proportional to the effective readings of disc from its axis.
4.Inversely proportional to the square of brake magnetic flux.
Which of the above are correct?
1.Proportional to the deflecting torque.
2.Proportional to the resistance of the path of eddy currents.
3.Inversely proportional to the effective readings of disc from its axis.
4.Inversely proportional to the square of brake magnetic flux.
Which of the above are correct?
- A.1, 2 and 3 only
- B.1, 2 and 4 only
- C.2, 3 and 4 only
- D.1, 2, 3 and 4
Q 105 :
If ‘KCLFTSB’ stands for ‘best of luck’ and ‘SHSWDG’ stands for ‘good wishes’, which of the following indicates ‘ace the exam’?
- A.MCHTX
- B.MXHTC
- C.XMHCT
- D.XMHTC
Q 106 :
Consider the following statements associated with the basic electrostatic properties of ideal conductors:
1.The resultant field inside is zero.
2.The net charge density in the interior is zero.
3.Any net charges reside on the surface.
4.The surface is always equipotential.
5.The field just outside is zero.
Which of the above statements are correct?
1.The resultant field inside is zero.
2.The net charge density in the interior is zero.
3.Any net charges reside on the surface.
4.The surface is always equipotential.
5.The field just outside is zero.
Which of the above statements are correct?
- A.1, 2, 3 and 4
- B.3, 4 and 5 only
- C.1, 2 and 3 only
- D.2 and 3 only
Q 107 :
A semiconductor device made out of a material having very high temperature coefficient of resistance is
- A.Transistor
- B.Varistor
- C.Thyristor
- D.Thermistor
Q 108 :
The electrical conductivity of a semiconductor increases with increase in temperature because
- A.The carrier concentration increases
- B.The mobility of carrier increases
- C.Both carrier concentration and mobility increases
- D.The band gap decreases
Q 109 :
Which of the following are associated with soft superconductors?
1.Silsbee’s rule
2.Meissner effect
3.Faraday rotation
4.Curie-Weiss law
1.Silsbee’s rule
2.Meissner effect
3.Faraday rotation
4.Curie-Weiss law
- A.2, 3 and 4
- B.1 and 3 only
- C.1 and 2 only
- D.2 and 3 only
Q 110 :
In a two-channel oscilloscope operating in x-y mode, two in-phase 50 Hz sinusoidal waveforms of equal amplitude are fed to the two channels. What will be the resultant pattern on the screen?
- A.An ellipse
- B.A parabola
- C.Straight line inclined at 45 with respect to x-axis
- D.A circle
Q 111 :
Materials, whose resistivity at very low temperature plunges from a finite value to zero and remains there upon further cooling, are known as
- A.Ferromagnetic materials
- B.High-energy hard magnetic materials
- C.Superconductors
- D.Ferromagnetic materials
Q 112 :
In a superconductor, is the temperature is decreased below its critical temperature, the value of critical magnetic field will
- A.Increase
- B.Decrease
- C.Not change
- D.Increase or decrease depending on the superconductor material
Q 113 :
The imaginary part of dielectric constant determines
- A.Component of current which is in phase with the applied field
- B.Component of energy absorbed per m3
- C.Amount of applied field
- D.Component of voltage which is in phase with the applied field
Q 114 :
Direction: Each of the items consists of two statements, one labeled as the ‘Statement (I)’ and the other as ‘Statement (II)’. Examine these two statements carefully and select the answers to these items using the codes given below
- A.Statement (I):Hard magnetic materials are used for making permanent magnets.
Statement (II):
Hard magnetic materials have relatively small and narrow hysteresis loop. - B.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
- C.Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
- D.Statement (I) is true but Statement (II) is false
- E.Statement (I) is false but Statement (II) is true
Q 115 :
In 8085A microprocessor, the operation performed by the instruction LHLD 2100 H is
- A.(H) ← 21 H, (L) ←00
- B.(H) ← M (2100 H), (L) ←M(2101H)
- C.(H) ← M (2100 H), (L) ←M(2100H)
- D.(H) ← 00H, (L) ←21H
Q 116 :
If the magnetic susceptibility of a specimen is small and positive, the specimen is
- A.Diamagnetic
- B.Paramagnetic
- C.Ferromagnetic
- D.Non-magnetic
Q 117 :
Manganese ferrite is a 1 : 1 mixture of
- A.Manganese nitride and iron oxide
- B.Manganese oxide and iron nitride
- C.Manganese nitride and iron sulphide
- D.Manganese oxide and iron sulphide
Q 118 :
When a ferromagnetic substance is magnetized, small changes in dimensions occur. Such a phenomenon is known as
- A.Magnetic hysteresis
- B.Magnetic expansion
- C.Magnetostriction
- D.Magneto-calorisation
Q 119 :
In ferromagnetic , anti-ferromagnetic and ferromagnetic materials, the atomic thermal motions counteract the coupling forces between the adjacent atomic dipole moments, thereby causing
- A.Some dipole misalignment regardless of whether an external field is present
- B.Increase in dipole alignment regardless of whether an external field is present
- C.No effect on dipole alignment
- D.Atoms tend to de-randomize the direction of moments
Q 120 :
The Hall effect voltage in intrinsic silicon
- A.Is positive
- B.Is zero
- C.Is negative
- D.Changes its sign based on application of magnetic field
Q 121 :
Most outstanding property of indium antimonide is
- A.A very wide range gap
- B.High resistivity at room temperature
- C.High carrier mobility
- D.Very low conductivity at room temperature
Q 122 :
Which of the following semiconducting compounds is used in photoconductive devices?
- A.Caesium antimonide
- B.Barium oxide
- C.Lead sulphide
- D.Zinc oxide
Q 123 :
Consider the following transducers:
1.LVDT
2.Piezoelectric
3.Thermocouple
4.Photovoltaic cell
Which of the above are active transducers?
1.LVDT
2.Piezoelectric
3.Thermocouple
4.Photovoltaic cell
Which of the above are active transducers?
- A.1, 2 and 3
- B.1, 2 and 4
- C.2 and 3 only
- D.2, 3 and 4
Q 124 :
Consider the following statements regarding magnetic materials:
1.A diamagnetic material has no permanent dipole
2.Paramagnetic material has anti-parallel orientation of equal moments with neighboring dipoles
3.Ferrimagnetic material has anti parallel orientation of unequal moments between neighboring dipoles
4.Anti-ferromagnetic material has negligible interaction between neighboring dipoles
Which of these statements are correct?
1.A diamagnetic material has no permanent dipole
2.Paramagnetic material has anti-parallel orientation of equal moments with neighboring dipoles
3.Ferrimagnetic material has anti parallel orientation of unequal moments between neighboring dipoles
4.Anti-ferromagnetic material has negligible interaction between neighboring dipoles
Which of these statements are correct?
- A.1 and 2
- B.3 and 4
- C.2 and 4
- D.1 and 3
Q 125 :
Consider the following statements regarding hysteresis loops of hard and soft magnetic materials:
1.Hysteresis loss of hard magnetic material will be less than that of soft material
2.Coercivity of hard materials will be greater than that of soft material
3.Retentivity of the two materials will always be equal
Which of these statements are correct?
1.Hysteresis loss of hard magnetic material will be less than that of soft material
2.Coercivity of hard materials will be greater than that of soft material
3.Retentivity of the two materials will always be equal
Which of these statements are correct?
- A.1, 2 and 3
- B.2 only
- C.3 only
- D.1 and 3 only
Q 126 :
Loss-tangent in plane waves in lossy dielectrics will be
- A.Proportional to the Y component of the magnetic field intensity (HY)
- B.Inversely proportional to the Y component of the magnetic field intensity (HY)
- C.Inversely proportional to the X component of the magnetic field intensity (HX)
- D.proportional to the X component of the magnetic field intensity (HX)
Q 127 :
Orientational polarization is
- A.Inversely proportional to temperature and proportional to the square of the permanent dipole moment
- B.proportional to temperature as well as to the square of the permanent dipole moment
- C.proportional to temperature and inversely proportional to the square of the permanent dipole moment
- D.Inversely proportional to temperature as well as to the square of the permanent dipole moment
Q 128 :
Behavior of conductors, semiconductors and insulators is explained on the basis of
- A.Atomic nature
- B.Molecular structure
- C.Energy band structure
- D.All of the above
Q 129 :
In general, for a superconductor, which of the following statements is true?
- A.A superconductor is a perfect paramagnetic material with the magnetic susceptibility equals to positive unity
- B.A superconductor is a perfect diamagnetic material with the magnetic susceptibility equals to negative one
- C.A superconductor is a perfect ferromagnetic material with the magnetic susceptibility equals to positive one
- D.A superconductor is a perfect piezoelectric material with the magnetic susceptibility equals to negative one
Q 130 :
Ferro-electric materials have a
- A.High dielectric constant which varies non linearly
- B.Low dielectric constant and is non-linear
- C.High dielectric constant which varies linearly
- D.Low dielectric constant but linear
Q 131 :
In the magnetic core the electromotive forces (emf) induced in accordance with Faraday’s law of electromagnetic induction give rise to
- A.Eddy current
- B.Excitation current
- C.Armature current
- D.Field current
Q 132 :
Consider the following characterizing parameters of a material:
1.Magnetic permeability
2.Electron relaxation time
3.Electron effective mass
4.Energy band gap
In case of metals, increase in one of the above parameter decreases its conductivity, while increase in another increases the conductivity. There are respectively
1.Magnetic permeability
2.Electron relaxation time
3.Electron effective mass
4.Energy band gap
In case of metals, increase in one of the above parameter decreases its conductivity, while increase in another increases the conductivity. There are respectively
- A.1 and 3
- B.3 and 2
- C.4 and 3
- D.1 and 2
Q 133 :
Some magnetic materials may be classified on the basis of
1.Susceptibility
2.Saturation
3.Spin arrangement
4.Nature of hysteresis loop
5.Domain structure
6.Critical temperature above which it behaves as a paramagnetic material
Which of these can be used to distinguish between ferri and ferromagnetic materials?
1.Susceptibility
2.Saturation
3.Spin arrangement
4.Nature of hysteresis loop
5.Domain structure
6.Critical temperature above which it behaves as a paramagnetic material
Which of these can be used to distinguish between ferri and ferromagnetic materials?
- A.1, 3 and 4 only
- B.2, 3 and 6 only
- C.3, 4 and 5 only
- D.1, 2, 3, 4, 5 and 6
Q 134 :
Magnetism is mainly due to only electron spin around their axis in case of
- A.Diamagnetic materials
- B.Paramagnetic materials
- C.Ferromagnetic materials
- D.Paramagnetic and Diamagnetic materials
Q 135 :
For Paramagnetic materials, the relative permeability is
- A.Less than unity but magnetic susceptibility is relatively small and positive
- B.greater than unity and magnetic susceptibility is relatively small but positive
- C.equal to unity and magnetic susceptibility is relatively large but positive
- D.Less than unity but magnetic susceptibility is relatively large and positive
Q 136 :
Permalloy and Mumetal are examples of
- A.Silicon and iron alloys
- B.Nickel and iron alloys
- C.Cobalt and iron alloys
- D.Permanent magnetic materials
Q 137 :
When a ferromagnetic substance is magnetized, the phenomenon of ‘magnetostriction’ causes
- A.Increase in the body temperature
- B.Change in the permeability of the substance
- C.Small change in its dimensions
- D.Decrease in the saturation flux-density
Q 138 :
The resistivity of ‘Ferrites’ is very much higher than that of ferromagnetic metals, because
- A.Ferrites are chemical compounds and the electrons in them are subject to restraint of valence forces
- B.Ferrites have a low eddy current loss
- C.Ferrites have a non-homogeneous molecular structure
- D.Ferrites have varying flux-density inside the core
Q 139 :
When the temperature exceeds the transition temperature, a ferromagnetic material becomes similar to
- A.Anti- ferromagnetic material
- B.Diamagnetic material
- C.ferrimagnetic material
- D.paramagnetic material
Q 140 :
Einstein relation is referred between
- A.The diffusion constant and the mobility
- B.The conduction and diffusion currents
- C.The conduction and diffusion voltages
- D.None of the above
Q 141 :
In a piezoelectric crystal oscillator, the oscillation or tuning frequency is linearly proportional to the
- A.Mass of the crystal
- B.Square root of the Mass of the crystal
- C.Square of the Mass of the crystal
- D.Inverse of the Square root of the Mass of the crystal
Q 142 :
Which of the following are piezoelectric substances?
1.Barium Titanate
2.Lead Titanate
3.Lead Zirconate
4.Cadmium Suplhate
1.Barium Titanate
2.Lead Titanate
3.Lead Zirconate
4.Cadmium Suplhate
- A.1, 2 and 4
- B.1, 3 and 4
- C.1, 2 and 3
- D.2, 3 and 4
Q 143 :
Consider the following statements:
1.Fermi level in a p-type semiconductor lies close to the top of the valence bond.
2.The forbidden energy in Germanium at 0°K is exactly 0.75 eV.
3.When a p-n junction is reverse biased, then electrons and holes move away from the junction.
Which of these statements are correct?
1.Fermi level in a p-type semiconductor lies close to the top of the valence bond.
2.The forbidden energy in Germanium at 0°K is exactly 0.75 eV.
3.When a p-n junction is reverse biased, then electrons and holes move away from the junction.
Which of these statements are correct?
- A.1, 2 and 3
- B.1 and 2 only
- C.2 and 3 only
- D.1 and 3 only
Q 144 :
For a fully transposed transmission line
- A.positive negative and zero sequence impedances are equal
- B.positive and negative sequence impedances are equal
- C.zero and positive sequence impedances are equal
- D.negative and zero sequence impedances are equal
Q 145 :
The unit of magnetic flux density is
- A.Gauss
- B.Tesla
- C.Bohr
- D.Wber/sec
Q 146 :
Skin depth is the distance from the conductor surface where the field strength has fallen to
- A.of its strength at the surface
- B.of its strength at the surface
- C.(1/ ) of its strength at the surface
- D.(1/ ) of its strength at the surface
Q 147 :
The electric field in the vicinity of two oppositely charged parallel conductors is
- A.Radial uniformly
- B.In parallel lines between the two imaginary parallel planes passing through the centers of the two conductors
- C.Non uniform and its direction changes from point to point
- D.In parallel circular paths between the two conductors, with the center of the circles located at the mid-point of a line joining the two centers of the two conductors
Q 148 :
Two charges are placed at a distance apart. Now, if a glass slab is inserted between them, then the force between the charges will
- A.Reduce to zero
- B.Increase
- C.Decrease
- D.Not change
Q 149 :
The transfer function of a second order real system with a perfectly flat magnitude response of unity has a pole at (2 – j3). List all the poles and zeros.
- A.Poles at (2 ± j3), no zeroes.
- B.Poles at (±2 - j3), no zeroes.
- C.Poles at (2 - j3),(-2 + j3) zeroes at (-2 – j3), (2 + j3).
- D.Poles at (2 ± j3), zeroes at (-2 ± j3).
Q 150 :
The presence of one of the following materials, in iron or steel for use as a magnetic material, tends to reduce the hysteresis loss
- A.Carbon
- B.Sulphur
- C.Phosphorous
- D.Silicon
Q 151 :
The depth of penetration of a wave in a lossy dielectric increases with increasing
- A.Conductivity
- B.Permeability
- C.Wavelength
- D.Permittivity
Q 152 :
Match List-I and List-II and select the correct answer using the code given below the lists:
List-I List-II
A.Carbon (Diamond) 1. Conducting
B.Silicon 2. Semiconducting
C.Tin (Grey) 3. Insulating
D.Lead
List-I List-II
A.Carbon (Diamond) 1. Conducting
B.Silicon 2. Semiconducting
C.Tin (Grey) 3. Insulating
D.Lead
- A.A B C D3 2 1 1
- B.1 2 1 3
- C.3 1 2 1
- D.1 1 2 3
Q 153 :
It is possible to destroy the superconductivity of a material by applying
- A.A strong magnetic field
- B.A temperature much below the transition temperature
- C.A strong electric field
- D.A pressure below that of the atmosphere
Q 154 :
Consider the following properties regarding insulation for cables:
1. A low specific resistance
2. High temperature withstand
3. High dielectric strength
Which of the above properties of insulation are correct while using cables?
1. A low specific resistance
2. High temperature withstand
3. High dielectric strength
Which of the above properties of insulation are correct while using cables?
- A. 1 and 2 only
- B.1 and 3 only
- C.2 and 3 only
- D.1,2 and 3
Q 155 :
The open loop poles of a third order unity feedback system are at 0, -1, -2, let the frequency corresponding to the point, where the root locus of the system transits to unstable region be K. now suppose we introduce a zero in the open loop transfer function at -3, while keeping all the earlier open loop poles intact. Which one of the following is correct about the point, where the root locus of the modified system transits to unstable region?
- A.it corresponds to a frequency greater than K
- B.it corresponds to a frequency less that K
- C.it corresponds to a frequency K
- D.Root locus of modified system never transits to unstable region
Q 156 :
Which of the following moving particles cannot be deflected by magnetic fields?
- A.α - Particles
- B.Neutrons
- C.Protons
- D.Electrons
Q 157 :
The Fermi level in an n-type semiconductor at zero degree kelvin lies
- A.Below the donor level
- B.Half-way between the conduction band and the donor level
- C.Half-way between the conduction band and the valence level
- D.Close to the valence band
Q 158 :
According to free electron theory, electrons in a metal are subjected to
- A.Constant potential
- B.Sinusoidal potential
- C.Square wave potential
- D.Non-periodic potential
Q 159 :
Controlled addition of group III element to an elemental semiconductor results in the formation of
- A.Intrinsic semiconductor
- B.n-type semiconductor
- C.p-type semiconductor
- D.Degenerate semiconductor
Q 160 :
Phonons (Quanta of lattice vibration) obey
- A.Maxwell distribution
- B.Maxwell-Boltzmann distribution
- C.Fermi-Dirac distribution
- D.Bose-Einstein distribution
Q 161 :
Did not you buy…………..when you went shopping?
- A.any paper
- B.much paper
- C.no paper
- D.a few paper
Q 162 :
Consider the following standard symbols for two-port parameters :
1.h12 and h21 are dimensionless.
2.h11 ohms and B have dimensions of ohms.
3.BC is dimensionless.
4.C is dimensionless.
Which of the above are correct ?
1.h12 and h21 are dimensionless.
2.h11 ohms and B have dimensions of ohms.
3.BC is dimensionless.
4.C is dimensionless.
Which of the above are correct ?
- A.1, 2 and 3 only
- B.1, 2 and 4 only
- C.3 and 4 only
- D.1, 2, 3 and 4
Q 163 :
An iron-cored choke coil has an equivalent resistance of 5Ω. It draws 10 A when the applied voltage is 240V, 50Hz. Its inductance and power factor respectively are
- A.7.5 mH and 0.1 (lag)
- B.74.7 mH and 0.1 (lag)
- C.74.7 mH and 0.208 (lag)
- D.7.5 mH and 0.208 (lag)
Q 164 :
A voltage of 100 V is applied to an impedance of Z = (3 + j4) Ω. What are the values of active power, reactive power and volt-amperes respectively ?
- A.1200 W, 1220 VAR and 2000 VA
- B.1600 W, 1600 VAR and 2200 VA
- C.1200 W, 1600 VAR and 2000 VA
- D.1600 W, 1200 VAR and 2200 VA
Q 165 :
The voltage across an impedance Z is 100∠15° V and the current through Z is 20∠-45° A. The active and the reactive powers in Z respectively are
- A.1000 W and 1732 VAR
- B.500 W and 1732 VAR
- C.1000 W and 6000 VAR
- D.500 W and 6000 VAR
Q 166 :
An a.c. source of 200 V r.m.s. supplies an active power of 1200 W and a reactive power of 1600 VAR to a load. The r.m.s. current and the power factor of the load respectively are
- A.10 A and 0.6
- B.8 A and 0.8
- C.10 A and 0.8
- D.8 A and 0.6
Q 167 :
A shunt capacitor used for reactive power compensation is operated at 98% of its rated frequency and 95% of its rated voltage. The reactive power supplied by this capacitor (as compared to its rated capacity) is
- A.7.9% lower
- B.11.5% lower
- C.11.5% higher
- D.7.9% higher
Q 168 :
Consider two nodes A and B connected by an impedance of j5 W. If the voltages at nodes A and B are 100∠30° V and 100∠0° V respectively, the real power that can be transferred from node A to B is
- A.2000 W
- B.1000 W
- C.2769 W
- D.276.9 W
Q 169 :
The Thevenin equivalent voltage and resistance across AB shown in the figure respectively are


- A.5 V and 5 Ω
- B.25 V and 3 Ω
- C.35 V and 2 Ω
- D.25 V and 5 Ω
Q 170 :
The theorem which states that in any linear, non-linear, passive, active, time-variant, time-invariant network, summation of instantaneous power is zero will be called as
- A.Tellegen’s theorem
- B.Compensation theorem
- C.Reciprocity theorem
- D.Superposition theorem
Q 171 :
Transients are cause because
1.The load is suddenly connected to or disconnected from the supply
2.Of the sudden change in applied voltage form one finite value to the other
3.Of the change in stored energy in inductors and capacitors
Which of the above statements are correct?
1.The load is suddenly connected to or disconnected from the supply
2.Of the sudden change in applied voltage form one finite value to the other
3.Of the change in stored energy in inductors and capacitors
Which of the above statements are correct?
- A.1 and 2 only
- B.1 and 3 only
- C.2 and 3 only
- D.1, 2 and 3
Q 172 :
Which of the following can produce maximum induced voltage?
- A.1 A d.c. current
- B.50 A d.c. current
- C.1 A, 60 Hz a.c. current
- D.1 A, 490 Hz a.c. current
Q 173 :
For cleat wiring and 250 volts supply, the cables will be placed _____ a part centre to centre for single corw cables.
- A.4.5 cm
- B.2.5 cm
- C.3 cm
- D.4 cm
Q 174 :
Which insulation is most widely used for covering wires/cables used in internal wiring ?
- A.Paper
- B.Wood
- C.Glass
- D.PVC
Q 175 :
If the Q-factor of a coil at resonant frequency of 1.5 MHz is 150 for a series resonant circuit, then the corresponding bandwidth is
- A.225 MHz
- B.106 MHz
- C.50 kHz
- D.10 kHz
Q 176 :
The number of p-n junctions in a thyristor (SCR) is/are:
- A.1
- B.2
- C.3
- D.4
Q 177 :
In a two-wattmeter method of measuring power in a balanced 3-phase circuit, the ratio of the two wattmeter readings is 1 : 2. The circuit power
- A.0.707
- B.0.5
- C.0.866
- D.Indeterminate
Q 178 :
A balanced delta-connected load (16 + j12)Ω/phase is connected to a 3-phase 230 V balanced supply. The line current and the real power drawn respectively are
- A.19.9 A and 3.17 W
- B.11.5 A and 6.34 W
- C.19.9 A and 6.34 W
- D.11.5 A and 3.17 W
Q 179 :
A balanced load of 5 + j4 is connected in delta. What is the impedance per phase of the equivalent star connection?
- A.5 + j4
- B.1.66 + j1.33
- C.15 + j12
- D.2.5 + j2
Q 180 :
In an electric circuit, the number of independent meshes M is
- A.2B – N + 1
- B.B – N + 1
- C.2B – N – 1
- D.B – N – 1
Q 181 :
A.d.c. voltage of 12 volts applied across an inductance in series with a switch
- A.Can produce the induced voltage as the current decreases when the switch is opened
- B.Cannot produce the induced voltage as the voltage applied has the one polarity
- C.Produces more induced voltage when the switch is closed than the switch is opened
- D.None of the above
Q 182 :
The power factor of a circuit in which voltage and current waves are non-sinusoidal is defined as
- A.It is the cosine of the angle of phase difference between the voltage and current waves
- B.It is the cosine of the angle of phase difference between the two complex waves
- C.It is the cosine of the angle of phase difference between two equivalent sine waves having respectively r.m.s. values equal to those of the voltage and current in the circuit
- D.It is the sine of the angle of phase difference between the two complex waves
Q 183 :
The low-frequency circuit impedance and the high-frequency circuit impedance for a series resonant circuit respectively are
- A.Capacitive and inductive
- B.Inductive and capacitive
- C.Resistive and inductive
- D.Capacitive and resistive
Q 184 :
Which of the following is an invalid state in an 8-4-2-1 binary codede decimal counter
- A.1000
- B.1001
- C.0011
- D.1100
Q 185 :
The maximum space rate of change of the function which is in increasing direction of the function is known as
- A.Curl of the vector function
- B.Gradient of the scalar function
- C.Divergence of the vector function
- D.Stokes theorem
Q 186 :
The field strength at a point of finite distance from an infinitely long straight uniform charged conductor is obtained by considering the radial (R) component and the longitudinal (L) component of the forces acting on a unit charge at the point, by the charges on the elemental length of the conductor. The resultant field strength is
- A.The sum of R-components, when the sum of L-components is zero
- B.The sum of L-components, when the sum of R-components is zero
- C.The sum of both R- and L- components
- D.Average of the sums of R- and L- components
Q 187 :
The input signals to control systems are not known fully ahead of time, the characteristics of control system which suddenly strain a control system are :
- A.Constant velocity and acceleration
- B.Sudden shock
- C.Sudden change
- D.All of the mentioned
Q 188 :
For electromechanical energy conversion, a magnetic field is employed as the medium rather than electric field because
- A.The stored energy density for practicable field strength is low in the electric field
- B.the electric field presents insulation problem
- C.the specific magnetic loss is more than the specific dielectric loss
- D.none of the above
Q 189 :
if the current density inside a straight conductor is uniform over its cross-section, the flux density variation inside the conductor at different distances from its center is
- A.linear
- B.square of the distance
- C.inverse of the distance
- D.exponential
Q 190 :
The law which states that the line integral of the magnetic field around a closed curve is equal to the free current through a surface, is
- A.Gauss’s law
- B.Tellegen’s theorem
- C.Coulomb’s law
- D.Ampere’s law
Q 191 :
(∇ × H) = J is differential form of
- A.Gauss’s law
- B.Ampere’s circuital law
- C.Poisson’s equation
- D.Laplace’s equation
Q 192 :
What should be the nature of bandwidth for a good control system ?
- A.Small
- B.Medium
- C.Large
- D.All of the mentioned
Q 193 :
A conductor of length 100cm moves at right angle to a uniform field flux density of 1.5 Wb/m2 with a velocity of 50 m/s. The e.m.f. induced in the conductor will be
- A.150 V
- B.75 V
- C.50 V
- D.37.5 V
Q 194 :
Maxwell equations
1.Are extension of the works of Gauss, Faraday and Ampere
2.Help studying the application of electrostatic fields only
3.Can be written in integral form and point form
4.Need not be modified depending upon the media involved in the problem
Which of the above statements are correct?
1.Are extension of the works of Gauss, Faraday and Ampere
2.Help studying the application of electrostatic fields only
3.Can be written in integral form and point form
4.Need not be modified depending upon the media involved in the problem
Which of the above statements are correct?
- A.1 and 3
- B.1 and 4
- C.2 and 3
- D.3 and 4
Q 195 :
Fermion particles obey
- A.Maxwell-Boltzmann statistics
- B.Bose-Einstein statistics
- C.Pauli’s exclusion principle
- D.Heisenberg’s uncertainty principle
Q 196 :
The complex permeability and resulting wave losses are due to
- A.Free electron or ion oscillation and dipole relaxation
- B.Free electron oscillation and relaxation of free space charge
- C.Bound electron oscillation and relaxation of free space charge
- D.Bound electron or ion oscillation and dipole relaxation
Q 197 :
A 10 GHz plane wave travelling in free space has amplitude 15 V/m. The propagation coefficient β is
- A.209.4 rad/m
- B.173.6 rad/m
- C.543.5 rad/m
- D.3.97 × 10-2 rad/m
Q 198 :
In time domain specification, decay ratio is the ratio of the
- A.Amplitude of the first peak and the steady-state value
- B.Amplitudes of the first two successive peaks
- C.Peak value to the steady-state value
- D.None of the above
Q 199 :
A lossless transmission line has a characteristic impedance of Z0 and capacitance per unit length of C. The velocity of propagation of the travelling wave on the line is
- A.Z0C
- B. 1
Z0C - C.Z0
C - D.C
Z0
Q 200 :
A pair of high-frequency parallel transmission lines has distributed capacitance and inductance of 0.8 F and 9.8 mH respectively. What is the characteristic impedance of the line?
- A.98.26 Ω
- B.110.68 Ω
- C.125 Ω
- D.128.2 Ω
Q 201 :
The propagation constant of a transmission line is 0.15 × 10-3 + j1.5 × 10-3The wavelength of the travelling wave is
Q 202 :
The skin effect in a transmission line is affected by
- A.The resistivity of the transmission line
- B.The current magnitude in the transmission line
- C.The cross-sectional area of the transmission line
- D.The voltage applied across the transmission line
Q 203 :
There are no transient in pure resistance circuit because they
- A.Offer high resistance
- B.Obey Ohm’s law
- C.Have no stored energy
- D.Are linear circuits
Q 204 :
As shown in the figure, 1 Ω resistance is connected across a source that has a load line v + i = 100. The current through the resistance is


- A.25 A
- B.50 A
- C.100 A
- D.200 A
Q 205 :
An RLC resonant circuit has a resonance frequency of 1-5 MHz and bandwidth of 10 kHz. If C = 150 PF, then effective resistance of the circuit will be
- A.29.5 Ω
- B.14.75 Ω
- C.9.5 Ω
- D.4.7 Ω
Q 206 :
Consider the following two types of non-identical sources:
1.Voltage sources e1(t) and e2(t)
2.Current source i1(t) and i2(t)
Regarding the mode of their connection in a circuit,
1.Voltage sources e1(t) and e2(t)
2.Current source i1(t) and i2(t)
Regarding the mode of their connection in a circuit,
- A.1 cannot be connected in parallel, and 2 cannot be connected in series
- B.1 cannot be connected in series, and 2 cannot be connected in parallel
- C.Both 1 and 2 cannot be connected in series
- D.Both 1 and 2 cannot be connected in parallel
Q 207 :
In a series resonant circuit, maximum voltage across L occurs at
- A.Resonant frequency
- B.Slightly below Resonant frequency
- C.Slightly above Resonant frequency
- D.At a frequency where I is maximum
Q 208 :
For the high voltage conductors at high pressures, if the voltage is positive then the corona appears as a
- A.Uniform bluish white sheath
- B.Reddish glowing spots
- C.Uniform greenish spots
- D.None of these
Q 209 :
Consider the following properties attributed to state model of a system:
1.State model is unique
2.Transfer function for the system is unique
3.State model can be derived from transfer function of the system
Which of the above statements are correct?
1.State model is unique
2.Transfer function for the system is unique
3.State model can be derived from transfer function of the system
Which of the above statements are correct?
- A.1, 2 and 3
- B.1 and 2 only
- C.2 and 3 only
- D.1 and 3 only
Q 210 :
A magnetic ring has a mean circumference of 20cm and a cross-section of 20cm2 and has 800 numbers of turns of wire. When the exciting current is 5 A, the flux is 2 mWb. The relative permeability of iron is nearly
- A.3.98
- B.398
- C.0.398
- D.39.8
Q 211 :
The voltage and current waveforms for an element are shown in the figures:

The circuit element and its value are

The circuit element and its value are
- A.Capacitor and 2F
- B.Inductor and 1H
- C.Inductor and 2H
- D.Resistor and 1Ω
Q 212 :
For a series R-C circuit, the power factor corresponding to maximum power is
- A.0.5 lag
- B.0.5 lead
- C.0.707 lead
- D.0.707 lead
Q 213 :
The power consumed by a coil is 300W when connected to a 30V dc source and 108W when connected to a 30V ac source. The reactance of the coil is
- A.3 Ω
- B.4 Ω
- C.5 Ω
- D.6.67 Ω
Q 214 :
When a source is delivering maximum power to a load, the efficiency of the circuit is always
- A.50%
- B.75%
- C.100%
- D.Depends on the circuit parameters
Q 215 :
Consider the following statements:Any element connected in
1.Series with an ideal current source is redundant.
2.Parallel with an ideal current source is redundant.
3.Series with an ideal voltage source is redundant.
4.Parallel with an ideal voltage source is redundant.
Which of the above statements are correct?
1.Series with an ideal current source is redundant.
2.Parallel with an ideal current source is redundant.
3.Series with an ideal voltage source is redundant.
4.Parallel with an ideal voltage source is redundant.
Which of the above statements are correct?
- A.1 only
- B.2 and 3
- C.2 only
- D.1 and 4
Q 216 :
A battery charger can drive a current of 5 A into a 1Ω resistance connected at its output terminals. If it is able to charge an ideal 2 V battery at 7 A rate, then Thevenin’s equivalent will be
- A.7.5 V in series with 0.5 Ω
- B.12.5 V in series with 1.5 Ω
- C.7.5 V in parallel with 0.5 Ω
- D.12.5 V in parallel with 1.5 Ω
Q 217 :
The output power of a filter is 100 mW, when the signal frequency is 5 kHz. When the frequency is increased to 25 kHz, the output power falls to 50 mW. What is the dB change in power?
- A.– 3 dB
- B.– 5 dB
- C.– 7 dB
- D.– 2 dB
Q 218 :
In any network the current will be seen to be consisting of a forced current and a natural current. A forced current is
- A.A steady-state current with external source but a natural current is a transient current in a closed circuit with no external source
- B.A transient current with external source but a natural current is a steady-state current in a closed circuit with no external source
- C.A steady-state current in a closed circuit without external source, while a natural current is a transient current with an external source
- D.A transient current in a closed circuit without external source, while a natural current is a steady-state current with an external source
Q 219 :
A coil of resistance 10 Ω and inductance 0.8 H is connected to a 200 V dc supply. The initial rate of change of current is
- A.16 A/s
- B.160 A/s
- C.250 A/s
- D.4000 A/s
Q 220 :
Three equal impedances are first connected in delta across a 3-phase balanced supply. If the same impedances are connected in star across the same supply then,
- A.Phase current will be one-third
- B.Line current will be one-third
- C.Power consumed will be one-third
- D.Phase current will remain the same
Q 221 :
The electric field lines and equipotential lines
- A.Are parallel to each other
- B.Are one and the same
- C.Cut each other orthogonally
- D.Can be inclined to each other at any angle
Q 222 :
According to Gauss’s law, the surface integral of the normal component of electric flux density D over a closed surface containing charge Q is
- B.
Q - C.Q
- D.Q2

Q 223 :
Consider the following statements:A current I flows through a circular coil of one turn of radius R in the counter-clock wise direction.
1.The magnetic field at the center is inversely proportional to R
2.The magnetic moment of the coil is directly proportional to R2
3.The magnetic field at its center is directly proportional to R2
Which of the above statements are correct?
1.The magnetic field at the center is inversely proportional to R
2.The magnetic moment of the coil is directly proportional to R2
3.The magnetic field at its center is directly proportional to R2
Which of the above statements are correct?
- A.1 and 2
- B.1 only
- C.2 and 3
- D.3 only
Q 224 :
The depth of penetration of a wave in a lossy dielectric medium increases with
- A.Increasing wavelength
- B.Increasing conductivity
- C.Decreasing wavelength
- D.Decreasing permittivity
Q 225 :
In practice, Earth is chosen as a place of zero electric potential because it
- A.Is non-conducting
- B.Is easily available reference
- C.Keeps losing and gaining electric charge every day
- D.Has almost constant potential
Q 226 :
The capacitance of a concentric spherical capacitor of shell radii x and y (x > y) is
Q 227 :
The frequency of the power wave associated with an electromagnetic wave having an E field as
is given by
is given byQ 228 :
When the wave travels in a conducting medium, the rate of attenuation is decided by
- A.Attenuation constant
- B.Phase constant
- C.Both attenuation constant and phase constant
- D.Neither attenuation constant nor phase constant
Q 229 :
Uniform plane wave is
- A.Longitudinal in nature
- B.Transverse in nature
- C.Neither longitudinal nor transverse in nature
- D.x-directed
Q 230 :
The impedance Z offered by transmission line for a travelling wave which damps out the low frequency oscillation rapidly is called
- A.Surge impedance
- B.Natural impedance
- C.Both surge and natural impedance
- D.Neither surge nor natural impedance
Q 231 :
In a coaxial transmission line, the useful power flows through
- A.The interface of the two conductors
- B.Both inner and outer conductors
- C.Inner conductor
- D.Outer conductor
Q 232 :
For a line to have a purely resistive characteristic impedance
- C.R = G
- D.GL= RC
Q 233 :
A second order system is described by

The damping ratio of the system is

The damping ratio of the system is
- A.0.1
- B.0.25
- C.0.333
- D.0.5
Q 234 :
When deriving the transfer function of a linear element
- A.Both initial conditions and loading are taken into account
- B.Initial conditions are taken into account but the element is assumed to be not loaded
- C.Initial conditions are assumed to be zero but loading is taken into account
- D.Initial conditions are assumed to be zero and the element is assumed to be not loaded
Q 235 :
For the circuit shown above the value of r connected between C and D is such that the equivalent resistance of the circuit by looking into circuit through terminals A and B is r only. Then the value of r is

For the circuit shown above the value of r connected between C and D is such that the equivalent resistance of the circuit by looking into circuit through terminals A and B is r only. Then the value of r is
- A.2 Ω
- B.4 Ω
- C.3 Ω
- D.6 Ω
General English
Q 236 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.He was in the temper
- B.and refused
- C.discuss the matter again
- D.No error
Q 237 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.A flower makes no garland
- B.so we must do a thing together
- C.in a unit for a good result
- D.No error
Q 238 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.My friend is a software engineer
- B.and his wife is doctor
- C.so they don’t have enough time for each other
- D.No error
Q 239 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.I don’t have much time that
- B.I hear you in detail with verbosity
- C.tell everything in nutshell
- D.No error
Q 240 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.The atmosphere is changing
- B.so I have severe pain in my body
- C.if you have any painkiller, please give it to me
- D.No error
Q 241 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.No one is without fault
- B.because no one is God
- C.and only God is fault free
- D.No error
Q 242 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.Your
- B.clock is
- C.one hour fast
- D.No error
Q 243 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.The lose of jobs
- B.is regarded by some as an necessary evil
- C.in the fight against infliation
- D.No error
Q 244 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.In science, the credit goes to a man
- B.who convinces the world
- C.not to the man to whom the idea first occurs
- D.No error
Q 245 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.It is only after
- B.the match is over
- C.that people realize how exciting it is
- D.No error
Q 246 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.Off the two
- B.sisters, she
- C.is better
- D.No error
Q 247 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.A interesting book
- B.‘A Tale of two cities’
- C.was written by Alexander Dumas
- D.No error
Q 248 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.I shall never
- B.forget a good
- C.deed you did to me, when I was in crisis
- D.No error
Q 249 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.Wisdom of Vikramaditya
- B.solved many riddles
- C.that people brought to him for solution
- D.No error
Q 250 :
Read sentence to find out whether there is any grammatical error in it. The sentences are In three separate parts and each one is labelled (a), (b), (c) and (d). In that case, letter (d) will signify a ‘No error’ response.
- A.News you broke to his wife
- B.made her nervous
- C.and she broke down
- D.No error