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Multivibrators – 1 – 4

16. 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

Answer
Answer : (d)

Explanation
No answer description available for this question. Let us discuss.

17. In a multivibrator, we have ………… feedback.

(a) negative
(b) 100 % positive
(c) both positive and negative
(d) none of the above

Answer
Answer : (b)

Explanation
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18. A multivibrator produces :

(a) Pure sine waves
(b) Distorted sine waves
(c) Square waves
(d) Sawtooth voltages

Answer
Answer : (c)

Explanation
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19. In a bistable multivibrator circuit, commutating capacitor is used :

(a) to increase the base storage charge
(b) to provide ac coupling
(c) to increase the speed of response
(d) to provide the speed of oscillations

Answer
Answer : (c)

Explanation
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