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MCQs

Total Questions : 29 | Page 1 of 3 pages
Question 1. 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
  1.    Rectangular
  2.    Triangular
  3.    Sine
  4.    Square
 Discuss Question
Answer: Option D. -> Square
Question 2. An integrating circuit is a simple RC series circuit with output taken across
  1.    Both R and C
  2.    R
  3.    C
  4.    None of the above
 Discuss Question
Answer: Option C. -> C
Question 3. If the input to a differentiating circuit is a saw-tooth wave, then output will be ___________.
  1.    Square
  2.    Triangular
  3.    Sine
  4.    Rectangular
 Discuss Question
Answer: Option D. -> Rectangular
Question 4. If a square wave is fed to a differentiating circuit, the output will be ___________.
  1.    Sine wave
  2.    Sharp narrow pulses
  3.    Rectangular wave
  4.    Triangular wave
 Discuss Question
Answer: Option B. -> Sharp narrow pulses
Question 5. The multivibrator which generates square wave of its own is the ___________ multivibrator
  1.    Monostable
  2.    Bistable
  3.    Astable
  4.    None of the above
 Discuss Question
Answer: Option C. -> Astable
Question 6. In a multivibrator, we have ___________ feedback.
  1.    Negative
  2.    100 % positive
  3.    Both positive and negative
  4.    None of the above
 Discuss Question
Answer: Option B. -> 100 % positive
Question 7. An astable multivibrator has ___________.
  1.    One stable state
  2.    Two stable states
  3.    No stable state
  4.    None of the above
 Discuss Question
Answer: Option C. -> No stable state
Question 8. A bistable multivibrator has ___________.
  1.    Two stable states
  2.    One stable state
  3.    No stable state
  4.    None of the above
 Discuss Question
Answer: Option A. -> Two stable states
Question 9. A monostable vibrator has ___________.
  1.    No stable state
  2.    One stable state
  3.    Two stable states
  4.    None of the above
 Discuss Question
Answer: Option B. -> One stable state
Question 10. A relay is superior to a mechanical switch because it ___________.
  1.    Is relatively inexpensive
  2.    Does not require moving contacts
  3.    Combines control with power amplification
  4.    None of the above
 Discuss Question
Answer: Option C. -> Combines control with power amplification

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