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