Solid State Switching Circuits(Electrical Engineering Questions ) Questions and Answers

Question 1. 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
Explanation:-
Answer: Option C. -> C
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 2. 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)
Explanation:-
Answer: Option B. -> ICEO
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 3. A differentiating circuit is a simple RC circuit with output taken across ____________?
  1.    R
  2.    C
  3.    Both R and C
  4.    None of the above
Explanation:-
Answer: Option A. -> R
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 4. 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?
  1.    Rectangular
  2.    Triangular
  3.    Sine
  4.    Square
Explanation:-
Answer: Option D. -> Square
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 5. One would find a clamping circuit in ___________________?
  1.    Receiving antenna
  2.    Radio transmitter
  3.    Radio receiver
  4.    Television receiver
Explanation:-
Answer: Option D. -> Television receiver
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 6. A negative clipper removes the ______________half-cycles of the input voltage?
  1.    Negative
  2.    Positive
  3.    Both positive and negative
  4.    None of the above
Explanation:-
Answer: Option A. -> Negative
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 7. A bistable multivibrator has _________________?
  1.    Two stable states
  2.    One stable state
  3.    No stable state
  4.    None of the above
Explanation:-
Answer: Option A. -> Two stable states
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 8. In a multivibrator, we have___________ feedback?
  1.    Negative
  2.    100 % positive
  3.    Both positive and negative
  4.    None of the above
Explanation:-
Answer: Option B. -> 100 % positive
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 9. 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
Explanation:-
Answer: Option C. -> Active
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

Question 10. For an integrating circuit to be effective , the RC product should be____________ the time period of the input wave?
  1.    5 times greater than
  2.    5 times smaller than
  3.    Equal to
  4.    At least 10 times greater than
Explanation:-
Answer: Option D. -> At least 10 times greater than
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!