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A cell of emf e and internal resistance r is balanced by a length l of a potentiometer now the cell is shifted by a resistances r and the balancing length becomes i .find the internal resisitance of the cell

A cell of emf e and internal resistance r is balanced by a length l of a potentiometer now the cell is shifted by a resistances r and the balancing length becomes i .find the internal resisitance of the cell

Grade:12

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