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Free download in PDF Solid State Switching Circuits Multiple Choice Questions and Answers for competitive exams. These short objective type questions with answers are very important for Board exams as well as competitive exams. These short solved questions or quizzes are provided by Gkseries.
(1)
The multivibrator which generates square wave of its own is the ………… multivibrator
[A]
Monostable
[B]
Bistable
[C]
Astable
[D]
None of the above
(2)
A monostable vibrator has …………..
[A]
No stable state
[B]
One stable state
[C]
Two stable states
[D]
None of the above
(3)
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
(4)
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
Answer: At least 10 times greater than
(5)
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
(6)
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
Answer: Sharp narrow pulses
(7)
A bistable multivibrator has …………..
[A]
Two stable states
[B]
One stable state
[C]
No stable state
[D]
None of the above
Answer: Two stable states
(8)
If the input to a differentiating circuit is a saw-tooth wave, then output will be ………….
[A]
Square
[B]
Triangular
[C]
Sine
[D]
Rectangular
(9)
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
(10)
An astable multivibrator has ………….
[A]
One stable state
[B]
Two stable states
[C]
No stable state
[D]
None of the above
(11)
………………. multivibrator is a square wave oscillator
[A]
Monostable
[B]
Astable
[C]
Bistable
[D]
None of the above
(12)
When a transistor is driven to cut off, ideally the output is …………..
[A]
VCC
[B]
0
[C]
VCC/2
[D]
VCC/3
(13)
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
Answer: Combines control with power amplification
(14)
The maximum speed of electronic switch can be ………….. operations per second
[A]
104
[B]
10
[C]
1000
[D]
109
(15)
When a transistor is driven to saturation, ideally the output is ………………
[A]
VCC
[B]
0
[C]
VCC/2
[D]
2VCC
(16)
The main disadvantage of a mechanical switch is that it………….
[A]
Is operated mechanically
[B]
Is costly
[C]
Has high inertia
[D]
None of the above
(17)
The most inexpensive switch is ………….. switch
[A]
Electronic
[B]
Mechanical
[C]
Electromechanical
[D]
None of the above
(18)
The switch that has the fastest speed of operation is ………….. switch
[A]
Electronic
[B]
Mechanical
[C]
Electromechanical
[D]
None of the above
(19)
A relay is ……….. switch
[A]
A mechanical
[B]
An electronic
[C]
An electromechanical
[D]
None of the above
Answer: An electromechanical
(20)
A switch has ………………
[A]
One state
[B]
Two states
[C]
Three states
[D]
None of the above
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