Basic Electronics MCQ’s for MS and Ph.D admission in universities

Prof. Fazal Rehman Shamil
Last modified on September 12th, 2020

Basic Electronics MCQ’s for MS and Ph.D admission in universities

1. Semiconductor’s have which of the following bond?

a) Co-ordinate bond
b) Covalent bond
c) Electrovalent bond
d) all of the above

Answer - Click Here:
B

2. Pure silicon has a resistivity of …

a) 6000 Ω cm
b) 1000 Ω cm
c) 300 Ω m
d) 600 Ω cm

Answer - Click Here:
A

3. The region of semi-conductor which is lightly doped is known as …

a) base
b) source
c) emitter
d) all of these

Answer - Click Here:
A

4. Diamond is an example of …

a) Insulator
b) Conductor
c) Semi-Conductor
d) none of the above

Answer - Click Here:
A

5. Quantities whose values vary in non-continuous manner are

a) analogue
b) vector
c) scalar
d) digital

Answer - Click Here:
D

6. Mutual induction is dependent on which  of the following factor …

a) output polarities
b) current changes
c) winding ratios
d) none of these

Answer - Click Here:
B

7. The common collector amplifier is called as …

a) emitter follower
b) base follower
b) collector follower
d) source follower

Answer - Click Here:
A

8. When we heat a pure semiconductor its resistance goes …

a) goes down
b) goes up
c) remains constant
d) none of these

Answer - Click Here:
A

9. Why semiconductor crystal is much strong?

a) forces between nuclei
b) electron-pair bonds
c) forces between protons
d) all of the above

Answer - Click Here:
B

10. The pentavalent impurities are basically

a) acceptors

b) donors

c) both

d) none of above

Answer - Click Here:
B

11. CRO stands for

a) cathode ray oscillioscope

b) cathode ray output

c) cathode oscillator

d) none of these

Answer - Click Here:
A

12.  In AND gate if any of logic input is ‘0’ then output will be …

a) 0
b) 1
c) 2
d) 3

Answer - Click Here:
A

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