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A potentiometer consists of a wire of le...

A potentiometer consists of a wire of length 4 m and resistance `10 Omega`. If is connected of cell of emf `2V`. The potential difference per unit length of the wire will be

A

5 V/m

B

2 V/m

C

0.5 V/m

D

10 V/m

Text Solution

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The correct Answer is:
C
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