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Questions  

In a reverse biased diode, when the applied voltage changes by 1V, the current is found to change by 0.5μA.  The reverse bias resistance of the diode is

a
2x105Ω
b
2x106Ω
c
200 Ω
d
20 Ω

detailed solution

Correct option is B

Dynamic Resistance R=ΔVΔI=10.5×10−6=2×106Ω

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