Multivibrators – 1 – 1

1. A bistable multivibrator is a :

(a) free running oscillator
(b) triggered oscillator
(c) saw tooth wave generator
(d) crystal oscillator

ANSWER

EXPLANATION

2. When a sinusoidal voltage wave is fed to a Schmitt trigger, the output will be :

(a) triangular wave
(b) asymmetric square wave
(c) rectangular wave
(d) trapezoidal wave

ANSWER

EXPLANATION

3. ………….. multivibrator is a square wave oscillator.

(a) monostable
(b) astable
(c) bistable
(d) none of the above

ANSWER

EXPLANATION

4. An astable multivibrator has …………..

(a) one stable state
(b) two stable states
(c) no stable state
(d) none of the above

ANSWER

EXPLANATION

5. 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

ANSWER

EXPLANATION

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