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Questions  

In the following circuit the equivalent resistance between A  and B is

a
203Ω
b
10 Ω
c
16 Ω
d
20 Ω

detailed solution

Correct option is C

According to figure A is at lower potential wrt B. Hence both diodes are in reverse biasing so equivalent ckt can be redrawn asR=8+2+6=16 Ω

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