Solid State Switching Circuits

21. The maximum speed of electronic switch can be _________ operations per second

  1. 104
  2. 10
  3. 1000
  4. 109

Correct answer: (D)
109

22. The most inexpensive switch is _________ switch

  1. Electronic
  2. Mechanical
  3. Electromechanical
  4. None of the above

Correct answer: (A)
Electronic

23. The multivibrator which generates square wave of its own is the _________ multivibrator

  1. Monostable
  2. Bistable
  3. Astable
  4. None of the above

Correct answer: (C)
Astable

24. The positive clipper is that which removes the _________ half-cycles of the input voltage.

  1. Negative
  2. Positive
  3. Both positive and negative
  4. None of the above

Correct answer: (B)
Positive

25. The switch that has the fastest speed of operation is _________ switch

  1. Electronic
  2. Mechanical
  3. Electromechanical
  4. None of the above

Correct answer: (A)
Electronic

26. When a rectangular voltage waveform is applied to a capacitor, then the current waveform is _________

  1. Rectangular
  2. Sinusoidal
  3. Sawtooth
  4. Square

Correct answer: (A)
Rectangular

27. When a transistor is driven to cut off, ideally the output is _________

  1. VCC
  2. 0
  3. VCC/2
  4. VCC/3

Correct answer: (A)
VCC

28. When a transistor is driven to saturation, ideally the output is _________

  1. VCC
  2. 0
  3. VCC/2
  4. 2VCC

Correct answer: (B)
0

29. When a transistor is used as an amplifier, it is operated in the _________ region

  1. Off
  2. Saturation
  3. Active
  4. None of the above

Correct answer: (C)
Active

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