solid state switching circuits Mcqs
1. A bistable multivibrator has _________________?
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A. Two stable states

B. None of the above

C. No stable state

D. One stable state

2. One would find a clamping circuit in ___________________?
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A. Receiving antenna

B. Television receiver

C. Radio receiver

D. Radio transmitter

3. The multivibrator which generates square wave of its own is the ____________multivibrator?
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A. Monostable

B. None of the above

C. Astable

D. Bistable

4. If a square wave is fed to a differentiating circuit, the output will be _____________?
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A. Sharp narrow pulses

B. Triangular wave

C. Rectangular wave

D. Sine wave

5. The main disadvantage of a mechanical switch is that it_______________?
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A. Is operated mechanically

B. None of the above

C. Has high inertia

D. Is costly

6. A relay is ___________switch?
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A. A mechanical

B. An electronic

C. An electromechanical

D. None of the above

7. The most inexpensive switch is _____________ switch?
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A. Electronic

B. Electromechanical

C. None of the above

D. Mechanical

8. The switch that has the fastest speed of operation is ____________ switch?
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A. Electronic

B. Electromechanical

C. Mechanical

D. None of the above

9. When a transistor is used as an amplifier, it is operated in the _____________ region?
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A. None of the above

B. Saturation

C. Off

D. Active
10. When a transistor is driven to saturation, ideally the output is _____________?
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A. 2VCC

B. 0

C. VCC

D. VCC/2

11. ______________ multivibrator is a square wave oscillator?
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A. Monostable

B. Astable

C. Bistable

D. None of the above

12. A relay is superior to a mechanical switch because it _______________?
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A. Is relatively inexpensive

B. Combines control with power amplification

C. None of the above

D. Does not require moving contacts

13. When a transistor is driven to cut off, ideally the output is _______________?
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A. 0

B. VCC/3

C. VCC

D. VCC/2

14. When the transistor (CE arrangement) is in the cut off region, the collector current is ______________?
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A. ICBO

B. ( + 1) ICEO

C. IC(sat)

D. ICEO
15. For an integrating circuit to be effective , the RC product should be____________ the time period of the input wave?
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A. 5 times smaller than

B. At least 10 times greater than

C. 5 times greater than

D. Equal to

16. For a differentiating circuit to be effective, the RC product should be ___________ the time period of the input wave?
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A. 5 times greater than

B. At least 10 times greater than

C. 5 times smaller than

D. Equal to

17. A monostable vibrator has_____________
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A. None of the above

B. Two stable states

C. One stable state

D. No stable state

18. When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ______________?
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A. Rectangular

B. Sinusoidal

C. Sawtooth

D. Square

19. A differentiating circuit is a simple RC circuit with output taken across ____________?
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A. R

B. C

C. Both R and C

D. None of the above

20. An astable multivibrator has ________________?
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A. No stable state

B. One stable state

C. Two stable states

D. None of the above

21. An integrating circuit is a simple RC series circuit with output taken across ______________?
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A. Both R and C

B. R

C. C

D. None of the above

22. If the input to a differentiating circuit is a saw-tooth wave, then output will be _____________?
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A. Triangular

B. Square

C. Sine

D. Rectangular
23. If d.c. supply of 10 V is fed to a differentiating circuit, then output will be_______________?
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A. 0 V

B. 20 V

C. 10 V

D. None of the above

24. If the input to an integrating circuit is a succession of alternating positive and negative pulses of very short duration, the output will be _____________wave A?
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A. ectangular

B. Sine

C. Triangular

D. Square
25. The positive clipper is that which removes the ____________half-cycles of the input voltage?
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A. Negative

B. Positive

C. Both positive and negative

D. None of the above

26. A switch has ______________?
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A. Two states

B. Three states

C. One state

D. None of the above

27. In a multivibrator, we have___________ feedback?
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A. Negative

B. 100 % positive

C. Both positive and negative

D. None of the above

28. A negative clipper removes the ______________half-cycles of the input voltage?
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A. Negative

B. Positive

C. Both positive and negative

D. None of the above

29. The maximum speed of electronic switch can be _____________operations per second?
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A. 10

B. 1000

C. 104

D. 109