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With a uniform potentimeter wire AB of ...

With a uniform potentimeter wire AB of resistance `100Omega` , an electric cell of negligible internal resistance and a voltmeter `360 Omega` is connected in between A and the mid -point C of the wire . If the reading of the voltmeter be 1.0 V , determine the emf of the cell .

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The correct Answer is:
2.8V
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