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

By: Prof. Dr. Fazal Rehman | Last updated: March 3, 2022

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

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B

2. Pure silicon has a resistivity of … a) 6000 Ω cm b) 1000 Ω cm c) 300 Ω m d) 600 Ω cm

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A

3. The region of semi-conductor which is lightly doped is known as … a) base b) source c) emitter d) all of these

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A

4. Diamond is an example of … a) Insulator b) Conductor c) Semi-Conductor d) none of the above

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A

5. Quantities whose values vary in non-continuous manner are a) analogue b) vector c) scalar d) digital

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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

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B

7. The common collector amplifier is called as … a) emitter follower b) base follower b) collector follower d) source follower

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A

8. When we heat a pure semiconductor its resistance goes … a) goes down b) goes up c) remains constant d) none of these

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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

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B

10. The pentavalent impurities are basically a) acceptors b) donors c) both d) none of above

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B

11. CRO stands for a) cathode ray oscillioscope b) cathode ray output c) cathode oscillator d) none of these

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A

12.  In AND gate if any of logic input is ‘0’ then output will be … a) 0 b) 1 c) 2 d) 3

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A