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MCQs

Total Questions : 29 | Page 3 of 3 pages
Question 21. One would find a clamping circuit in ___________.
  1.    Receiving antenna
  2.    Radio transmitter
  3.    Radio receiver
  4.    Television receiver
 Discuss Question
Answer: Option D. -> Television receiver
Question 22. When the transistor (CE arrangement) is in the cut off region, the collector current is ___________.
  1.    ICBO
  2.    ICEO
  3.    (ß + 1) ICEO
  4.    IC(sat)
 Discuss Question
Answer: Option B. -> ICEO
Question 23. A relay is ___________ switch.
  1.    A mechanical
  2.    An electronic
  3.    An electromechanical
  4.    None of the above
 Discuss Question
Answer: Option C. -> An electromechanical
Question 24. The switch that has the fastest speed of operation is ___________ switch.
  1.    Electronic
  2.    Mechanical
  3.    Electromechanical
  4.    None of the above
 Discuss Question
Answer: Option A. -> Electronic
Question 25. The most inexpensive switch is ___________ switch.
  1.    Electronic
  2.    Mechanical
  3.    Electromechanical
  4.    None of the above
 Discuss Question
Answer: Option A. -> Electronic
Question 26. The main disadvantage of a mechanical switch is that it___________.
  1.    Is operated mechanically
  2.    Is costly
  3.    Has high inertia
  4.    None of the above
 Discuss Question
Answer: Option C. -> Has high inertia
Question 27. ___________ multivibrator is a square wave oscillator.
  1.    Monostable
  2.    Astable
  3.    Bistable
  4.    None of the above
 Discuss Question
Answer: Option B. -> Astable
Question 28. When a transistor is driven to saturation, ideally the output is ___________.
  1.    VCC
  2.    0
  3.    VCC/2
  4.    2VCC
 Discuss Question
Answer: Option B. -> 0
Question 29. When a transistor is driven to cut off, ideally the output is ___________.
  1.    VCC
  2.    0
  3.    VCC/2
  4.    VCC/3
 Discuss Question
Answer: Option A. -> VCC

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