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There is a electric circuit as shown in the figure. Find potential difference between points a and b.

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+1 vote
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in Physics by (62.4k points)

There is a electric circuit as shown in the figure. Find potential difference between points a and b.

(1) 0V 

(2) 15V 

(3) 10V 

(4) 5V

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1 Answer

+1 vote
by (64.8k points)

Answer is (3)

Diode is in forward bias, so it will behave as simple wire so,

So, Vab = {30}/{5 + 10} x 5 = 10 V

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