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. Rectangular
B. Triangular
C. Sine
D. Square
Select an option to see the answer and solution.
An integrating circuit is a simple RC series circuit with output taken across
A. Both R and C
B. R
C. C
D. None of the above
Select an option to see the answer and solution.
If the input to a differentiating circuit is a saw-tooth wave, then output will be ___________.
A. Square
B. Triangular
C. Sine
D. Rectangular
Select an option to see the answer and solution.
If a square wave is fed to a differentiating circuit, the output will be ___________.
A. Sine wave
B. Sharp narrow pulses
C. Rectangular wave
D. Triangular wave
Select an option to see the answer and solution.
The multivibrator which generates square wave of its own is the ___________ multivibrator
A. Monostable
B. Bistable
C. Astable
D. None of the above
Select an option to see the answer and solution.
In a multivibrator, we have ___________ feedback.
A. Negative
B. 100 % positive
C. Both positive and negative
D. None of the above
Select an option to see the answer and solution.
An astable multivibrator has ___________.
A. One stable state
B. Two stable states
C. No stable state
D. None of the above
Select an option to see the answer and solution.
A bistable multivibrator has ___________.
A. Two stable states
B. One stable state
C. No stable state
D. None of the above
Select an option to see the answer and solution.
A monostable vibrator has ___________.
A. No stable state
B. One stable state
C. Two stable states
D. None of the above
Select an option to see the answer and solution.
A relay is superior to a mechanical switch because it ___________.
A. Is relatively inexpensive
B. Does not require moving contacts
C. Combines control with power amplification
D. None of the above
Select an option to see the answer and solution.
When a transistor is used as an amplifier, it is operated in the ___________ region
A. Off
B. Saturation
C. Active
D. None of the above
Select an option to see the answer and solution.
When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ___________.
A. Rectangular
B. Sinusoidal
C. Sawtooth
D. Square
Select an option to see the answer and solution.
The positive clipper is that which removes the ___________ half-cycles of the input voltage.
A. Negative
B. Positive
C. Both positive and negative
D. None of the above
Select an option to see the answer and solution.
If d.c. supply of 10 V is fed to a differentiating circuit, then output will be .
A. 20 V
B. 10 V
C. 0 V
D. None of the above
Select an option to see the answer and solution.
A switch has ___________.
A. One state
B. Two states
C. Three states
D. None of the above
Select an option to see the answer and solution.
A differentiating circuit is a simple RC circuit with output taken across ___________.
A. R
B. C
C. Both R and C
D. None of the above
Select an option to see the answer and solution.
For an integrating circuit to be effective , the RC product should be ___________ the time period of the input wave.
A. 5 times greater than
B. 5 times smaller than
C. Equal to
D. At least 10 times greater than
Select an option to see the answer and solution.
For a differentiating circuit to be effective, the RC product should be ___________ the time period of the input wave.
A. Equal to
B. 5 times greater than
C. 5 times smaller than
D. At least 10 times greater than
Select an option to see the answer and solution.
A negative clipper removes the ___________ half-cycles of the input voltage.
A. Negative
B. Positive
C. Both positive and negative
D. None of the above
Select an option to see the answer and solution.
The maximum speed of electronic switch can be ___________ operations per second.
Select an option to see the answer and solution.