Regulated Power Supplies – 19

19. A 5 mA change in zener current produces a 50 mV change in zener voltage. What is the zener impedance ?

(a) 1 Ω
(b) 0.1 Ω
(c) 100 Ω
 10 Ω

Answer : (d)

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

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