Physics, asked by Abhishrk34251, 6 months ago

A potentiometer wire of length 4 metre and resistance 8 ohm is connected in series with battery of EMF 2v and negligible internal resistance if the EMF of the cell balances against a length of 217 CM of the potentiometer wire find the EMF of the cell when the the sale is shunted by a resistance of 15 ohm the balancing length is reduced by 17 cm find the internal resistance of cell

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Answered by pragnagm74

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