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In given figure, the potentiometer wire ...

In given figure, the potentiometer wire AB has a resistance of `5 Omega` and length 10 m . The balancing length AM for the emf of 0.4 V is

A

`0.4m`

B

`4m`

C

`0.8m`

D

`8m`

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The correct Answer is:
D
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ERRORLESS -CURRENT ELECTRICITY-Self Evaluation Test -19
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