Question: A potentiometer wire is 5m long and a potential difference of 6 V is maintained between its ends. Find the emf of a cell which

A potentiometer wire is 5m long and a potential difference of

A potentiometer wire is 5m long and a potential difference of 6 V is maintained between its ends. Find the emf of a cell which balances against a length of 180cm of the potentiometer wire. A.P. Mar. '16

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