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
17. In a multivibrator, we have ………… feedback.
(a) negative
(b) 100 % positive
(c) both positive and negative
(d) none of the above
18. A multivibrator produces :
(a) Pure sine waves
(b) Distorted sine waves
(c) Square waves
(d) Sawtooth voltages
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
20. What is another name for a one-shot?
(a) monostable
(b) bistable
(c) astable
(d) tristable
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