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Objective Questions

Latest RVUNL Technician Exam Question (Objective Questions), MCQ in English

Subjects : General Awareness, Technical Knowledge & Skill

Question Bank RVUNL Technician (Group 1) Main Exam - English

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General Awareness

Question 1Single Answer

Yojna a weekly journal

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 2Single Answer

Kurukshetra a journal on rural development is published by

A
Ministry of Finance
B
Ministry of Information and Broadcastin
C
Ministry of Rural Development
D
Planning Commission

Question 3Single Answer

Devaluation of a currency means

A
Fixing the value of the currency in conjuction with the movement in the value of a basket of predetermined currencies
B
Reduction in the value of a currency vis-à-vis major internationally traded currencies
C
Fixing the value of currency in multilateral consultaion with the IMF the World Bank and major trading partners
D
Permitting the currency to seek its worth in the international market

Question 4Single Answer

In India rural incomes are generally lower than the urban incomes, which of the following reasons account for this
1. a large number of farmers are illiterate and know little about scientific agriculture
2. prices of primary products are lower than those of manufactured products
3. Investments in agriculture has been low when compared to investment in industry

A
1 and 3
B
2 and 3
C
1 and 2
D
1,2 and 3

Question 5Single Answer

Which of the following programmes aims at the promotion of savings among rural women

A
Rashtriya Mahila Kosh
B
Indira Mahila Yojna
C
Jawahar Rozgar Yojna
D
Mahila Samridhi Yojna

Question 6Single Answer

In ruby laser, the stimulated emission is due to transition from

A
metastable state to any lower state
B
any higher state of lower state
C
metastable state to ground state
D
any higher state to ground state

Question 7Single Answer

10^-6 M NaOH is diluted 100 times. The pH of the diluted base is

A
between 7 and 8
B
between 5 and 6
C
between 6 and 7
D
between 10 and 11

Question 8Single Answer

In the electrolysis of acidulated water, it is desired to obtain 1.12 cc of hydrogen per second under STP condition. The current to be passed is

A
1.93 A
B
9.65 A
C
19.3 A
D
0.965 A

Question 9Single Answer

The respiratory quotient during cellular respiration would depend on

A
the nature of enzymes involved
B
the nature of the substrate
C
the amount of carbon dioxide released
D
the amount of oxygen utilised

Question 10Single Answer

Which of the following is not a green - house gas ?

A
Water vapour
B
Carbon monoxide
C
Methane
D
Oxygen

Question 11Single Answer

The elements of the set {x : x is an integer, x² : 4} can be represent as .....Z..... . Here, Z refers to

A
{–2, 2}
B
{–1, 0, 1}
C
{–2, –1, 0, 1, 2}
D
{0, 1, 2}

Question 12Single Answer

A
B
C
D
None of these

Question 13Single Answer

If Y = {x : x is a positive factor of the number 2p – 1(2p – 1), where 2p – 1 is a prime number}, then Y can be represent in roster form as

A
{2}
B
{1, 2}
C
{1, 2, 22, ....., 2p – 1}
D
{1, 2, 22, 23,.... 2p – 1, (2p – 1)}

Question 14Single Answer

The set {x : x is a positive integer less than 6 and 3x – 1 is an even number} in roster form is

A
{1, 2, 3, 4, 5}
B
{1, 2, 3, 4, 5, 6}
C
{2, 4, 6}
D
{1, 3, 5}

Question 15Single Answer

If A

B and A

B, then

A
A is called a proper subset of B
B
A is called a super set of B
C
A is not a subset of B
D
B is a subset of A

Question 16Single Answer

What fraction of India's total area is covered by Rajasthan?

A
Around 5%
B
Around 15%
C
Around 10%
D
Around 20%

Question 17Single Answer

Which of the following statements is NOT TRUE?

A
Rajasthan's total geographical area is around 3.42 Lakh Sq. Km.
B
Total Populations of Rajasthan is around 10 crore.
C
Out of total population of Rajasthan, 24.9% people live in urban regions.
D
All of the above

Question 18Single Answer

Which district has highest population in Rajasthan?

A
Jaipur
B
Jaisalmer
C
Udaipur
D
Ajmer

Question 19Single Answer

What fraction of Rajasthan's total area is covered by Thar Desert?

A
Around 30%
B
Around 40%
C
Around 60%
D
Around 70%

Question 20Single Answer

The temple city of Osean in Rajasthan was established by which of the following Rajputs?

A
Gurjar Pratiharas
B
Chauhans
C
Solankis
D
Sisodias

Question 21Single Answer

The Jhamarkotra mines of Rajasthan are best known for which among the following minerals?

A
Mica
B
Zinc
C
Rock Phosphate
D
Lime Stone

Question 22Single Answer

What is the population of Scheduled Caste in Rajasthan?

A
20.3%
B
21%
C
17.8%
D
21.6%

Question 23Single Answer

According to census 2011, what is the literacy rate in Rajasthan?

A
60%
B
78%
C
66%
D
55%

Question 24Single Answer

How many people are working in Rajasthan (in percentage)?

A
56%
B
23%
C
43.6%
D
52.4%

Question 25Single Answer

The word 'Rajputana' for Rajasthan was first used by:

A
James Todd
B
George Thomas
C
Geogra Greeson
D
Kushal Labh

Question 26Single Answer

How many districts are there in Rajasthan in 2021?

A
21
B
16
C
30
D
33

Question 27Single Answer

Rajasthan shares the longest border with which state?

A
Gujarat
B
Madhya Pradesh
C
Uttar Pradesh
D
Haryana

Question 28Single Answer

Which district of the Rajasthan does not touch the international border?

A
Ganganagar
B
Bikaner
C
Barmer
D
Jodhpur

Question 29Single Answer

Which of the following districts of Rajasthan has shortest international boundary?

A
Jaisalmer
B
Bikaner
C
Barmer
D
Ganganagar

Question 30Single Answer

With how many states Rajasthan shares its border?

Question 31Single Answer

What is the Official Language of Rajasthan?

A
Hindi
B
Rajasthani
C
English
D
Marwari

Question 32Single Answer

On which day Rajasthan Diwas is observed every year?

A
April 30^th
B
February 28th
C
March 30^th
D
April 28^th

Question 33Single Answer

Which of the following is the state animal of Rajasthan?

A
Chinkara
B
Tiger
C
Sloth bear
D
Stork Crane

Question 34Single Answer

Which desert is located in Rajasthan?

A
Gobi Desert
B
Thar Desert
C
Sahara Desert
D
Kalahari Desert

Question 35Single Answer

What is the state tree of Rajasthan?

A
Rhododendron
B
Palmyra palm
C
Deodar
D
Khejri

Question 36Single Answer

Which city is famous for blue pottery?

A
Dholpur
B
Kota
C
Banswara
D
Jaipur

Question 37Single Answer

What campaign was launched by Rajasthan Chief Minister Bhajan Lal Sharma on May 26, 2026, for water conservation?

A
Jal Shakti Mission
B
Har Ghar Jal Campaign
C
Vande Ganga Jal Sanrakshan Jan Abhiyan
D
Amrit Jal Yojana

Question 38Single Answer

The Vande Ganga Jal Sanrakshan Jan Abhiyan aims to increase Rajasthan’s water holding capacity by what percentage before the monsoon?

A
10%
B
20%
C
15%
D
25%

Question 39Single Answer

Where was the Vande Ganga Jal Sanrakshan Jan Abhiyan formally launched?

A
Jaipur
B
Bisalpur Dam area
C
Udaipur
D
Jodhpur

Question 40Single Answer

Rajasthan possesses approximately what percentage of India’s surface water resources?

A
4.2%
B
2.5%
C
1.2%
D
5.8%

Question 41Single Answer

Which Chief Minister launched the Vande Ganga Jal Sanrakshan Jan Abhiyan?

A
Ashok Gehlot
B
Vasundhara Raje
C
Bhajan Lal Sharma
D
Diya Kumari

Question 42Single Answer

On which occasion was the Vande Ganga Jal Sanrakshan Jan Abhiyan launched?

A
World Environment Day
B
Akshaya Tritiya
C
Ganga Dashami
D
Rajasthan Day

Question 43Single Answer

Which Union Minister announced the revival of the Jal Jeevan Mission in Rajasthan?

A
Nitin Gadkari
B
Dharmendra Pradhan
C
Shivraj Singh Chouhan
D
Gajendra Singh Shekhawat

Question 44Single Answer

How much allocation was approved for the revival of the Jal Jeevan Mission in Rajasthan?

A
₹2,500 crore
B
₹3,800 crore
C
₹4,800 crore
D
₹6,000 crore

Question 45Single Answer

The Jal Jeevan Mission primarily focuses on providing what?

A
Rural roads
B
Tap water connections
C
Solar energy
D
Employment opportunities

Question 46Single Answer

Which of the following is a primary goal of modern agricultural practices?

A
Maximizing the use of manual labor
B
Increasing crop yields and efficiency
C
Reducing the use of technology in farming
D
Relying solely on traditional farming methods

Question 47Single Answer

What is the term for the application of scientific principles and new technologies to agriculture?

A
Traditional farming
B
Subsistence farming
C
Modern farming
D
Organic farming

Question 48Single Answer

Which of the following is NOT a characteristic of modern agriculture?

A
Use of high-yielding variety seeds
B
Increased reliance on chemical fertilizers and pesticides
C
Extensive use of manual labor
D
Mechanization of farming operations

Question 49Single Answer

What is the main advantage of using genetically modified (GM) crops in modern agriculture?

A
They require less water
B
They are always resistant to all pests and diseases
C
They can potentially increase yields and reduce the need for pesticides
D
They are easier to harvest manually

Question 50Single Answer

Which of the following is a key aspect of precision agriculture?

A
Uniform application of fertilizers across the entire field
B
Using satellites and GPS to manage and optimize farming practices
C
Ignoring variations in soil and crop conditions within a field
D
Relying solely on visual inspection for decision-making

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Technical Knowledge & Skill

Question 51Single Answer

Ohm’s Law states the relationship between which three electrical quantities?

A
Power, Current, Resistance
B
Voltage, Current, Resistance
C
Voltage, Capacitance, Inductance
D
Resistance, Reactance, Impedance

Question 52Single Answer

According to Ohm’s Law, if resistance is doubled while voltage remains constant, what happens to the current?

A
Doubles
B
Halves
C
Remains the same
D
Becomes zero

Question 53Single Answer

The unit of resistance is:

A
Ampere
B
Volt
C
Ohm
D
Farad

Question 54Single Answer

If a 12V battery is connected across a 6 Ohm resistor, what is the current flowing through the circuit?

A
2A
B
6A
C
12A
D
0.5A

Question 55Single Answer

What happens to current if voltage is increased while resistance remains constant?

A
Increases
B
Decreases
C
Remains the same
D
Reverses direction

Question 56Single Answer

The formula of Ohm’s Law is:

A
I = V × R
B
V = I / R
C
R = V / I
D
P = IV

Question 57Single Answer

A 24V battery is connected to a circuit with a resistance of 8 Ohm. What is the current?

A
2A
B
3A
C
6A
D
8A

Question 58Single Answer

If the resistance in a circuit is reduced by half, the current will:

A
Increase two times
B
Decrease two times
C
Remain the same
D
Become zero

Question 59Single Answer

Which of the following factors affect electrical resistance?

A
Length of conductor
B
Cross-sectional area
C
Material of the conductor
D
All of the above

Question 60Single Answer

Kirchhoff’s Current Law (KCL) states that:

A
Sum of all voltages in a loop is zero
B
Sum of currents entering a junction is equal to the sum of currents leaving the junction
C
Current is directly proportional to resistance
D
Power is the product of voltage and current

Question 61Single Answer

Kirchhoff’s Current Law is based on the principle of:

A
Conservation of energy
B
Conservation of charge
C
Conservation of mass
D
Conservation of momentum

Question 62Single Answer

In a circuit, 3A current enters a node, and two branches carry 1A and 0.5A. What is the current in the remaining branch?

A
3.5A
B
1.5A
C
2.5A
D
1A

Question 63Single Answer

If two resistors of different values are connected in parallel, the total current is:

A
Sum of individual branch currents
B
Difference of branch currents
C
Zero
D
Equal in both branches

Question 64Single Answer

Kirchhoff’s Current Law is applicable to:

A
Series circuits only
B
Parallel circuits only
C
Both series and parallel circuits
D
Only DC circuits

Question 65Single Answer

Kirchhoff’s Voltage Law (KVL) states that:

A
Total current in a circuit remains constant
B
Sum of all voltages around a closed loop is zero
C
Voltage drop in a circuit depends on capacitance
D
Voltage and resistance are inversely proportional

Question 66Single Answer

Kirchhoff’s Voltage Law is based on:

A
Law of conservation of charge
B
Law of conservation of energy
C
Newton’s Law
D
Coulomb’s Law

Question 67Single Answer

In a closed-loop circuit, the sum of voltage sources is equal to:

A
Zero
B
Sum of voltage drops
C
Current divided by resistance
D
Power times resistance

Question 68Single Answer

If a circuit has three resistors with voltage drops of 5V, 10V, and 15V, what must be the supply voltage?

A
10V
B
15V
C
30V
D
20V

Question 69Single Answer

Kirchhoff’s Voltage Law applies to:

A
AC circuits only
B
DC circuits only
C
Both AC and DC circuits
D
Circuits without resistors

Question 70Single Answer

If a resistor of 5 Ohm is connected in a circuit with 10V supply, the current will be:

A
1A
B
2A
C
5A
D
10A

Question 71Single Answer

The resistance of an ideal conductor is:

A
Zero
B
Infinity
C
Depends on material
D
1 Ohm

Question 72Single Answer

The unit of conductance is:

A
Henry
B
Siemens
C
Ohm
D
Farad

Question 73Single Answer

The sum of all currents meeting at a junction must be:

A
Infinity
B
Zero
C
Equal to voltage drop
D
Greater than resistance

Question 74Single Answer

If the resistance in a circuit increases while voltage remains constant, the current will:

A
Increase
B
Decrease
C
Remain the same
D
Double

Question 75Single Answer

The resistance of a wire is directly proportional to:

A
Its length
B
Its cross-sectional area
C
The current flowing through it
D
The voltage applied

Question 76Single Answer

The SI unit of voltage is:

A
Watt
B
Ohm
C
Ampere
D
Volt

Question 77Single Answer

If the voltage across a 10 Ohm resistor is 50V, the current through it is:

A
5A
B
50A
C
0.2A
D
500A

Question 78Single Answer

If resistance is reduced to half while keeping voltage constant, the current will:

A
Become half
B
Double
C
Remain the same
D
Become zero

Question 79Single Answer

Kirchhoff’s Current Law is also called:

A
Voltage Law
B
Loop Law
C
Junction Rule
D
Resistance Rule

Question 80Single Answer

Kirchhoff’s Current Law applies to:

A
Open circuits
B
Junctions in electrical networks
C
Only parallel circuits
D
Transformers only

Question 81Single Answer

The sum of currents flowing into a junction must be equal to:

A
The sum of currents flowing out
B
Twice the outgoing current
C
The product of resistance and voltage
D
The total power in the circuit

Question 82Single Answer

If 4A and 6A currents enter a junction, and 7A exits, the remaining current flowing out is:

A
3A
B
4A
C
6A
D
10A

Question 83Single Answer

Kirchhoff’s Current Law helps analyze:

A
Series circuits
B
Parallel circuits
C
Only AC circuits
D
Only DC circuits

Question 84Single Answer

Kirchhoff’s Voltage Law is applied to:

A
Open circuits
B
Closed loops in a circuit
C
Only high-voltage circuits
D
Capacitors only

Question 85Single Answer

Kirchhoff’s Voltage Law is based on the conservation of:

A
Charge
B
Energy
C
Resistance
D
Power

Question 86Single Answer

The sum of voltage drops in a closed loop equals:

A
Zero
B
Resistance
C
Current times resistance
D
The maximum voltage

Question 87Single Answer

If a circuit has a 10V, 5V, and 15V voltage drop, the total supply voltage is:

A
20V
B
30V
C
10V
D
5V

Question 88Single Answer

The application of KVL is essential in:

A
Finding unknown voltages in loops
B
Determining capacitance
C
Measuring power factor
D
None of the above

Question 89Single Answer

The equivalent resistance in a parallel circuit is:

A
Less than the smallest resistance
B
Equal to the highest resistance
C
The sum of all resistances
D
Equal to the lowest resistance

Question 90Single Answer

In a parallel circuit, the voltage across each branch is:

A
Equal
B
Different
C
Zero
D
Depends on the resistance

Question 91Single Answer

A mixed circuit is a combination of:

A
Series and star circuits
B
Star and delta circuits
C
Series and parallel circuits
D
None of the above

Question 92Single Answer

The main function of a resistor is to:

A
Store electrical charge
B
Oppose the flow of current
C
Increase voltage
D
Decrease power

Question 93Single Answer

If a 100 Ohm resistor is connected in parallel with a 50 Ohm resistor, the total resistance is:

A
150 Ohm
B
33.33 Ohm
C
75 Ohm
D
25 Ohm

Question 94Single Answer

A variable resistor is also called a:

A
Potentiometer
B
Inductor
C
Transformer
D
Relay

Question 95Single Answer

The color code for a 100 Ohm resistor with a tolerance of ±5% is:

A
Brown-Black-Brown-Gold
B
Red-Red-Red-Silver
C
Brown-Black-Red-Gold
D
Yellow-Violet-Orange-Silver

Question 96Single Answer

A capacitor is used in a circuit to:

A
Store electrical energy
B
Convert AC to DC
C
Control resistance
D
Reduce inductance

Question 97Single Answer

The SI unit of capacitance is:

A
Ohm
B
Henry
C
Farad
D
Coulomb

Question 98Single Answer

The total capacitance of capacitors in parallel is:

A
The sum of all capacitances
B
The reciprocal sum
C
The product of all capacitances
D
Zero

Question 99Single Answer

A dielectric in a capacitor helps in:

A
Increasing capacitance
B
Reducing resistance
C
Inducing current
D
Increasing resistance

Question 100Single Answer

Capacitors in AC circuits are used for:

A
Power factor correction
B
Decreasing frequency
C
Increasing voltage drop
D
Reducing resistance

Question 101Single Answer

The unit of inductance is:

A
Henry
B
Ohm
C
Farad
D
Volt

Question 102Single Answer

The inductance of a coil increases when:

A
The number of turns increases
B
The current decreases
C
The wire diameter decreases
D
The resistance increases

Question 103Single Answer

A relay is used to:

A
Store electrical energy
B
Convert AC to DC
C
Control a circuit using a small electrical signal
D
Generate power

Question 104Single Answer

A single-pole single-throw (SPST) switch is used for:

A
Controlling two circuits simultaneously
B
Controlling a single circuit
C
Switching between two power sources
D
Increasing voltage

Question 105Single Answer

Thevenin’s theorem is used to:

A
Simplify complex circuits
B
Increase resistance
C
Convert AC to DC
D
Store energy

Question 106Single Answer

The Norton’s equivalent circuit consists of:

A
A current source in parallel with a resistor
B
A voltage source in series with a resistor
C
An inductor and capacitor
D
Two voltage sources

Question 107Single Answer

Superposition theorem is applicable to:

A
Linear circuits
B
Non-linear circuits
C
Inductive circuits
D
None of the above

Question 108Single Answer

In a balanced Wheatstone bridge, the ratio of resistances is:

A
Equal
B
Different
C
Infinite
D
Zero

Question 109Single Answer

In a series circuit, the total resistance is equal to:

A
The sum of individual resistances
B
The reciprocal of individual resistances
C
The product of individual resistances
D
The highest resistance in the circuit

Question 110Single Answer

The current in a parallel circuit is:

A
The same in all branches
B
Divided among the branches
C
Zero
D
Equal to the highest branch current

Question 111Single Answer

If three 10 Ohm resistors are connected in parallel, the total resistance is:

A
3.33 Ohm
B
30 Ohm
C
10 Ohm
D
1 Ohm

Question 112Single Answer

In a series circuit, if one component fails, the circuit:

A
Continues to work
B
Stops working
C
Works at half voltage
D
Increases resistance

Question 113Single Answer

A parallel circuit is preferred for house wiring because:

A
It consumes less power
B
Each appliance gets the same voltage
C
Current is same in all branches
D
Resistance increases

Question 114Single Answer

The resistance of a wire depends on:

A
Length
B
Cross-sectional area
C
Material
D
All of the above

Question 115Single Answer

The resistance of a conductor increases with:

A
Increase in temperature
B
Decrease in length
C
Increase in cross-sectional area
D
None of the above

Question 116Single Answer

A 100 Ohm resistor and a 50 Ohm resistor are connected in series. The total resistance is:

A
150 Ohm
B
100 Ohm
C
50 Ohm
D
25 Ohm

Question 117Single Answer

The color code for a 220 Ohm resistor with ±5% tolerance is:

A
Red-Red-Brown-Gold
B
Red-Red-Black-Gold
C
Yellow-Violet-Red-Gold
D
Brown-Black-Red-Silver

Question 118Single Answer

Resistors connected in parallel have:

A
The same voltage across them
B
The same current
C
Different voltage
D
No current

Question 119Single Answer

The function of a capacitor in a circuit is to:

A
Store charge
B
Oppose current flow
C
Convert AC to DC
D
Convert DC to AC

Question 120Single Answer

The capacitance of a capacitor increases when:

A
The plate area increases
B
The plate distance increases
C
A vacuum is used as a dielectric
D
The resistance increases

Question 121Single Answer

A capacitor blocks:

A
DC current
B
AC current
C
Both AC and DC
D
None of the above

Question 122Single Answer

An inductor opposes changes in:

A
Voltage
B
Current
C
Resistance
D
Capacitance

Question 123Single Answer

The primary function of a transformer is to:

A
Convert AC voltage levels
B
Convert DC voltage levels
C
Store electrical charge
D
Increase current

Question 124Single Answer

The unit of electrical power is:

A
Watt
B
Joule
C
Henry
D
Coulomb

Question 125Single Answer

Electrical energy is measured in:

A
Kilowatt-hour
B
Ampere
C
Coulomb
D
Joule

Question 126Single Answer

If a 100W bulb is used for 10 hours, the energy consumed is:

A
1 kWh
B
10 kWh
C
100 kWh
D
0.1 kWh

Question 127Single Answer

The efficiency of a system is defined as:

A
Output power/Input power × 100%
B
Input power/Output power × 100%
C
Voltage × Current
D
Resistance × Current

Question 128Single Answer

The SI unit of electrical charge is:

A
Ampere
B
Coulomb
C
Volt
D
Farad

Question 129Single Answer

The resistance of an ideal voltmeter is:

A
Zero
B
Infinite
C
Very low
D
Equal to the measured voltage

Question 130Single Answer

If the length of a conductor is doubled, its resistance will:

A
Remain the same
B
Double
C
Halve
D
Become four times

Question 131Single Answer

The main function of a fuse in an electrical circuit is to:

A
Increase current
B
Reduce resistance
C
Protect against overcurrent
D
Convert AC to DC

Question 132Single Answer

The reactance of a capacitor in an AC circuit:

A
Increases with frequency
B
Decreases with frequency
C
Remains constant
D
Depends on resistance

Question 133Single Answer

The effective value of an AC voltage is also called:

A
Peak voltage
B
RMS voltage
C
Average voltage
D
Instantaneous voltage

Question 134Single Answer

The waveform of AC voltage is usually:

A
Rectangular
B
Square
C
Sinusoidal
D
Triangular

Question 135Single Answer

The unit of frequency is:

A
Volt
B
Hertz
C
Ampere
D
Coulomb

Question 136Single Answer

The time period of a 50 Hz AC signal is:

A
50 seconds
B
0.02 seconds
C
0.002 seconds
D
2 seconds

Question 137Single Answer

The peak value of a sinusoidal AC voltage is:

A
Same as RMS value
B
Less than RMS value
C
Greater than RMS value
D
Zero

Question 138Single Answer

The effective value (RMS) of an AC voltage with a peak value of 100V is:

A
100V
B
70.7V
C
50V
D
141V

Question 139Single Answer

The phase difference between voltage and current in a pure inductive circuit is:

A
0°
B
45°
C
90°
D
180°

Question 140Single Answer

The power in a purely inductive circuit is:

A
Zero
B
Maximum
C
Half of the input power
D
Equal to VI

Question 141Single Answer

A capacitor in an AC circuit causes the current to:

A
Lead the voltage
B
Lag the voltage
C
Be in phase with the voltage
D
Stop flowing

Question 142Single Answer

Impedance is the combination of:

A
Resistance and capacitance
B
Resistance and inductance
C
Resistance, inductance, and capacitance
D
Voltage and current

Question 143Single Answer

The direction of current in a DC circuit:

A
Changes periodically
B
Is constant
C
Alternates between positive and negative
D
Depends on resistance

Question 144Single Answer

In a purely resistive DC circuit, power is given by:

A
VI
B
V²/R
C
I²R
D
All of the above

Question 145Single Answer

The resistance of a conductor is dependent on:

A
Its length
B
Its cross-sectional area
C
The material
D
All of the above

Question 146Single Answer

The function of a fuse in a DC circuit is to:

A
Reduce voltage
B
Limit current
C
Increase power
D
Store charge

Question 147Single Answer

The relation between power, voltage, and current in a DC circuit is:

A
P = VI
B
P = V/I
C
P = I/V
D
P = V²I

Question 148Single Answer

The energy stored in a charged capacitor is given by:

A
1/2 x CV²
B
1/2 x C²V
C
CV
D
CV²

Question 149Single Answer

A rheostat is used to:

A
Increase voltage
B
Decrease resistance
C
Adjust current
D
Store charge

Question 150Single Answer

The voltage drop across a short circuit is:

A
Zero
B
Equal to source voltage
C
Infinite
D
Depends on resistance

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