Solid-State Switching Circuits Mcqs – (Electrical Engineering) MCQs Latest For FPSC, PPSC, NTS, KPPSC, SPSC & Other Tests
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An integrating circuit is a simple RC series circuit with output taken across ______________?
A. R
B. Both R and C
C. C
D. None of the above
A differentiating circuit is a simple RC circuit with output taken across ____________?
A. R
B. Both R and C
C. C
D. None of the above
One would find a clamping circuit in ___________________?
A. Radio transmitter
B. Receiving antenna
C. Radio receiver
D. Television receiver
When the transistor (CE arrangement) is in the cut off region, the collector current is ______________?
A. IC(sat)
B. ICEO
C. (ß + 1) ICEO
D. ICBO
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?
A. Triangular
B. Rectangular
C. Sine
D. Square
When a transistor is used as an amplifier, it is operated in the _____________ region?
A. Saturation
B. Off
C. Active
D. None of the above
A negative clipper removes the ______________half-cycles of the input voltage?
A. Negative
B. Both positive and negative
C. Positive
D. None of the above
In a multivibrator, we have___________ feedback?
A. Both positive and negative
B. 100 % positive
C. Negative
D. None of the above
A bistable multivibrator has _________________?
A. Two stable states
B. No stable state
C. One stable state
D. None of the above
For an integrating circuit to be effective , the RC product should be____________ the time period of the input wave?
A. 5 times smaller than
B. 5 times greater than
C. Equal to
D. At least 10 times greater than
A monostable vibrator has_____________
A. Two stable states
B. One stable state
C. No stable state
D. None of the above
For a differentiating circuit to be effective, the RC product should be ___________ the time period of the input wave?
A. 5 times greater than
B. Equal to
C. 5 times smaller than
D. At least 10 times greater than
The positive clipper is that which removes the ____________half-cycles of the input voltage?
A. Both positive and negative
B. Positive
C. Negative
D. None of the above
When a rectangular voltage waveform is applied to a capacitor, then the current waveform is ______________?
A. Rectangular
B. Sawtooth
C. Sinusoidal
D. Square
The multivibrator which generates square wave of its own is the ____________multivibrator?
A. Bistable
B. Monostable
C. Astable
D. None of the above
When a transistor is driven to cut off, ideally the output is _______________?
A. VCC
B. VCC/2
C. 0
D. VCC/3
If d.c. supply of 10 V is fed to a differentiating circuit, then output will be_______________?
A. 10 V
B. 20 V
C. 0 V
D. None of the above
If a square wave is fed to a differentiating circuit, the output will be _____________?
A. Rectangular wave
B. Sharp narrow pulses
C. Sine wave
D. Triangular wave
If the input to a differentiating circuit is a saw-tooth wave, then output will be _____________?
A. Triangular
B. Square
C. Sine
D. Rectangular
An astable multivibrator has ________________?
A. Two stable states
B. One stable state
C. No stable state
D. None of the above
A relay is superior to a mechanical switch because it _______________?
A. Does not require moving contacts
B. Is relatively inexpensive
C. Combines control with power amplification
D. None of the above
______________ multivibrator is a square wave oscillator?
A. Bistable
B. Astable
C. Monostable
D. None of the above
When a transistor is driven to saturation, ideally the output is _____________?
A. 2VCC
B. 0
C. VCC/2
D. VCC
The most inexpensive switch is _____________ switch?
A. Electronic
B. Electromechanical
C. Mechanical
D. None of the above
A switch has ______________?
A. Three states
B. Two states
C. One state
D. None of the above
The maximum speed of electronic switch can be _____________operations per second?
A. 10
B. 104
C. 1000
D. 109
The main disadvantage of a mechanical switch is that it_______________?
A. Is costly
B. Is operated mechanically
C. Has high inertia
D. None of the above
The switch that has the fastest speed of operation is ____________ switch?
A. Electronic
B. Electromechanical
C. Mechanical
D. None of the above
A relay is ___________switch?
A. An electronic
B. A mechanical
C. An electromechanical
D. None of the above