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Question for ESE Electrical Engineering - Quiz / Questions / MCQ in English

Last Update on : October 11, 2026

Duration: 150 · Questions: 150 · Max Marks: 300

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To boost your performance in ESE Electrical Engineering exam, practice each question regularly and with focus. Every question tests your subject understanding, so solve them one at a time. Taking a quiz improves your speed and accuracy. Practicing topic-wise MCQs. Students benefit greatly from reviewing questions with answer keys, which help clarify concepts and strengthen Questions knowledge for success in ESE Electrical Engineering exams.

Latest ESE Electrical Engineering Exam Question (Objective Questions), MCQ in English

Subjects : Electrical

Question Bank ESE Electrical Engineering Exam Paper II - English

Electrical

Q 1 :
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

                 
  1. A.0.8 Ω
  2. B.1.4 Ω
  3. C.2 Ω
  4. D.2.8 Ω
Q 2 :
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?
  1. A.7.0 × 1012 m-3
  2. B.7.0 × 10-12 m-3
  3. C.7.0 × 10-12 m3
  4. D.7.0 × 1012 m3
Q 3 :
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?
  1. A.9.2 × 105/m3
  2. B.2.77 × 103/m3
  3. C.2.43 × 1019/m3
  4. D.8.9 × 1012/m3
Q 4 :
Heat conduction in a semiconductor takes place
  1. A.By the mobility of the carriers
  2. B.Due to energy gap between conduction band and valency band
  3. C.By the holes and thermal vibrations of atoms
  4. D.By the electrons and thermal vibrations of atoms
Q 5 :
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
  1. A.Parallel polarized
  2. B.Perpendicularly polarized
  3. C.Normally polarized
  4. D.None of the above
Q 6 :
An electrical breakdown of a p-n junction occurs if
  1. A.Forward voltage increases up to the rating
  2. B.Reverse voltage increases beyond the rating
  3. C.Forward voltage decreases below the rating
  4. D.Reverse voltage decreases below the rating
Q 7 :
The chief deterrent to the widespread application of superconducting materials is
  1. A.Very difficult to form, machine or case
  2. B.The difficult in attaining and maintaining extremely low temperature
  3. C.The poor strength-to-weight ratio
  4. D.The lower oxidation rate at elevated temperatures
Q 8 :
Which one of the following properties is not observed in the carbon nanotubes ?
  1. A.High stiffness and strengths
  2. B.Low densities
  3. C.Unusual electrical property
  4. D.Non-ductile
Q 9 :
The evidence for the importance of electron-phonon interaction in super-conductors comes from
  1. A.Meissner effect
  2. B.Josephson effect
  3. C.Isotope effect
  4. D.x quantization experiments
Q 10 :
Which one of the following materials is used for cable insulation ?
  1. A.Phenol formaldehyde
  2. B.Polytetrafluoroethylene
  3. C.Polyvinyl chloride
  4. D.Acrylonitrile butadiene styrene
Q 11 :
For high speed reading and storing of information in a computer, the material used is
  1. A.Ferrite
  2. B.Piezoelectric
  3. C.Pyroelectric
  4. D.Ferromagnetic above 768°C
Q 12 :
The temperature above which an anti-ferromagnetic material becomes paramagnetic is called
  1. A.Peak temperature
  2. B.Neel temperatur
  3. C.Critical temperature
  4. D.Weiss temperature
Q 13 :
Which effect is the converse of Peltier effect ?
  1. A.Seeback effect
  2. B.Thomson effect
  3. C.Hall effect
  4. D.Joule effect
Q 14 :
Magnetic materials which may be readily magnetized in either direction are
  1. A.Soft magnetic materials
  2. B.Hard magnetic materials
  3. C.High eddy current loss materials
  4. D.High hysteresis loss materials
Q 15 :
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. A.Both 1 and 2
  2. B.Neither 1 nor 2
  3. C.1 only
  4. D.2 only
Q 16 :
The impact ionization phenomenon in semiconductor may be viewed as the reverse process of
  1. A.Radiative recombination
  2. B.Auger recombination
  3. C.Surface recombination
  4. D.Shockley-Read-Hall recombination
Q 17 :
Refractive index of a slice glass can be reduced by doping it with tiny amount of
  1. A.GeO2
  2. B.B2O3
  3. C.P2O5x
  4. D.Al2O3
Q 18 :
If a diameter of a copper wire is increased by two times keeping its terminal voltage same, then the drift velocity will
  1. A.Become twice
  2. B.Become half
  3. C.ecome four times
  4. D.Remain unchanged
Q 19 :
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. A.1, 2 and 3 only
  2. B.1, 2 and 4 only
  3. C.2, 3 and 4 only
  4. D.1, 2, 3 and 4
Q 20 :
If ‘KCLFTSB’ stands for ‘best of  luck’ and ‘SHSWDG’ stands for ‘good wishes’, which of the following indicates ‘ace the exam’?
  1. A.MCHTX
  2. B.MXHTC
  3. C.XMHCT
  4. D.XMHTC
Q 21 :
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. A.1, 2, 3 and 4
  2. B.3, 4 and 5 only
  3. C.1, 2 and 3 only
  4. D.2 and 3 only
Q 22 :
A semiconductor device made out of a material having very high temperature coefficient of resistance is
  1. A.Transistor
  2. B.Varistor
  3. C.Thyristor
  4. D.Thermistor
Q 23 :
The electrical conductivity of a semiconductor increases with increase in temperature because
  1. A.The carrier concentration increases
  2. B.The mobility of carrier increases
  3. C.Both carrier concentration and mobility increases
  4. D.The band gap decreases
Q 24 :
Which of the following are associated with soft superconductors?
1.Silsbee’s rule
2.Meissner effect
3.Faraday rotation
4.Curie-Weiss law
  1. A.2, 3 and 4
  2. B.1 and 3 only
  3. C.1 and 2 only
  4. D.2 and 3 only
Q 25 :
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?
  1. A.An ellipse
  2. B.A parabola
  3. C.Straight line inclined at 45 with respect to x-axis
  4. D.A circle
Q 26 :
Materials, whose resistivity at very low temperature plunges from a finite value to zero and remains there upon further cooling, are known as
  1. A.
    Ferromagnetic materials
  2. B.
    High-energy hard magnetic materials
  3. C.
    Superconductors
  4. D.
    Ferromagnetic materials
Q 27 :
In a superconductor, is the temperature is decreased below its critical temperature, the value of critical magnetic field will
  1. A.
    Increase
  2. B.
    Decrease
  3. C.
    Not change
  4. D.
    Increase or decrease depending on the superconductor material
Q 28 :
The imaginary part of dielectric constant determines
  1. A.
    Component of current which is in phase with the applied field
  2. B.
    Component of energy absorbed per m3
  3. C.
    Amount of applied field
  4. D.
    Component of voltage which is in phase with the applied field
Q 29 :
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
  1. A.Statement (I):Hard magnetic materials are used for making permanent magnets.
    Statement (II):
    Hard magnetic materials have relatively small and narrow hysteresis loop.
  2. B.Both Statement (I) and Statement (II) are individually true and Statement (II) is the correct explanation of Statement (I)
  3. C.
    Both Statement (I) and Statement (II) are individually true and Statement (II) is NOT the correct explanation of Statement (I)
  4. D.
    Statement (I) is true but Statement (II) is false
  5. E.
    Statement (I) is false but Statement (II) is true 
Q 30 :
In 8085A microprocessor, the operation performed by the instruction LHLD 2100 H is                                    
  1. A.(H) ← 21 H, (L) ←00 
  2. B.(H) ← M (2100 H), (L) ←M(2101H)
  3. C.(H) ← M (2100 H), (L) ←M(2100H)
  4. D.(H) ← 00H, (L) ←21H                                                 
Q 31 :
If the magnetic susceptibility of a specimen is small and positive, the specimen is
  1. A.
    Diamagnetic
  2. B.
    Paramagnetic
  3. C.
    Ferromagnetic
  4. D.
    Non-magnetic
Q 32 :
Manganese ferrite is a 1 : 1 mixture of
  1. A.
    Manganese nitride and iron oxide
  2. B.
    Manganese oxide and iron nitride
  3. C.
    Manganese nitride and iron sulphide
  4. D.
    Manganese oxide and iron sulphide 
Q 33 :
When a ferromagnetic substance is magnetized, small changes in dimensions occur. Such a phenomenon is known as
  1. A.
    Magnetic hysteresis
  2. B.
    Magnetic expansion
  3. C.
    Magnetostriction
  4. D.
    Magneto-calorisation
Q 34 :
In ferromagnetic , anti-ferromagnetic and ferromagnetic materials, the atomic thermal motions counteract the coupling forces between the adjacent atomic dipole moments, thereby causing
  1. A.
    Some dipole misalignment regardless of whether an external field is present
  2. B.
    Increase in dipole alignment regardless of whether an external field is present
  3. C.
    No effect on dipole alignment
  4. D.
    Atoms tend to de-randomize the direction of moments 
Q 35 :
The Hall effect voltage in intrinsic silicon
  1. A.
    Is positive
  2. B.
    Is zero
  3. C.
    Is negative
  4. D.
    Changes its sign based on application of magnetic field
Q 36 :
Most outstanding property of indium antimonide is
  1. A.A very wide range gap
  2. B.
    High resistivity at room temperature
  3. C.
    High carrier mobility
  4. D.
    Very low conductivity at room temperature
Q 37 :
Which of the following semiconducting compounds is used in photoconductive devices?
  1. A.
    Caesium antimonide
  2. B.
    Barium oxide
  3. C.
    Lead sulphide
  4. D.
    Zinc oxide
Q 38 :
Consider the following transducers:
1.LVDT
2.Piezoelectric
3.Thermocouple
4.Photovoltaic cell
Which of the above are active transducers?
  1. A.1, 2 and 3
  2. B.
    1, 2 and 4
  3. C.
    2 and 3 only
  4. D.
    2, 3 and 4
Q 39 :
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.1 and 2
  2. B.
    3 and 4
  3. C.
    2 and 4
  4. D.
    1 and 3 
Q 40 :
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. A.1, 2 and 3
  2. B.
    2 only
  3. C.
    3 only
  4. D.
    1 and 3 only 
Q 41 :
Loss-tangent in plane waves in lossy dielectrics will be
  1. A.
    Proportional to the Y component of the magnetic field intensity (HY)
  2. B.Inversely proportional to the Y component of the magnetic field intensity (HY)
  3. C.
    Inversely proportional to the X component of the magnetic field intensity (HX)
  4. D.
    proportional to the X component of the magnetic field intensity (HX)
Q 42 :
Orientational polarization is
  1. A.
    Inversely proportional to temperature and proportional to the square of the permanent dipole moment
  2. B.
    proportional to temperature as well as to the square of the permanent dipole moment
  3. C.
    proportional to temperature and inversely proportional to the square of the permanent dipole moment
  4. D.
    Inversely proportional to temperature as well as to the square of the permanent dipole moment
Q 43 :
Behavior of conductors, semiconductors and insulators is explained on the basis of
  1. A.
    Atomic nature
  2. B.
    Molecular structure
  3. C.
    Energy band structure
  4. D.
    All of the above
Q 44 :
In general, for a superconductor, which of the following statements is true?
  1. A.
    A superconductor is a perfect paramagnetic material with the magnetic susceptibility equals to positive unity
  2. B.
    A superconductor is a perfect diamagnetic material with the magnetic susceptibility equals to negative one
  3. C.
    A superconductor is a perfect ferromagnetic material with the magnetic susceptibility equals to positive one
  4. D.
    A superconductor is a perfect piezoelectric material with the magnetic susceptibility equals to negative one
Q 45 :
Ferro-electric materials have a
  1. A.
    High dielectric constant which varies non linearly
  2. B.
    Low dielectric constant and is non-linear
  3. C.
    High dielectric constant which varies linearly
  4. D.
    Low dielectric constant but linear
Q 46 :
In the magnetic core the electromotive forces (emf) induced in accordance with Faraday’s law of electromagnetic induction give rise to
  1. A.
    Eddy current
  2. B.
    Excitation current
  3. C.
    Armature current
  4. D.
    Field current
Q 47 :
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. A.1 and 3
  2. B.
    3 and 2
  3. C.
    4 and 3
  4. D.
    1 and 2
Q 48 :
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. A.1, 3 and 4 only
  2. B.
    2, 3 and 6 only
  3. C.
    3, 4 and 5 only
  4. D.
    1, 2, 3, 4, 5 and 6
Q 49 :
Magnetism is mainly due to only electron spin around their axis in case of
  1. A.
    Diamagnetic materials
  2. B.
    Paramagnetic materials
  3. C.
    Ferromagnetic materials
  4. D.
    Paramagnetic and Diamagnetic materials
Q 50 :
For Paramagnetic materials, the relative permeability is
  1. A.
    Less than unity but magnetic susceptibility is relatively small and positive
  2. B.
    greater than unity and magnetic susceptibility is relatively small but positive
  3. C.
    equal to unity and magnetic susceptibility is relatively large but positive
  4. D.
    Less than unity but magnetic susceptibility is relatively large and positive

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