Regulated Power Supplies – 27

27. If the input a.c. voltage to unregulated or ordinary power supply increases by 5 %, what will be the approximate change in d.c. output voltage ?

(a) 10 %
(b) 20 %
(c) 15 %
(d) 5 %

Answer : (d)

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

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