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Question

Find the potential difference between A and B (VAVB) for the given circuit


A
12 V
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B
14 V
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C
6 V
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D
10 V
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Solution

The correct option is B 14 V
From the direction of current given in the circuit, the potential of point A will be greater than the potential of point B, because current flows from region of high potential to low potential.

Traversing in the direction of current from A to B we get,
VAiREVB=0
VAVB=iR+E
VAVB=4+10=14 V

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