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For a cell of emf 2 V a balance point is obtained for 50 cm...

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For a cell of emf 2 V a balance point is obtained for 50 cm of the potentiometer wire If the cell is shunted in parallel by a 2 2 resistor and the balance is obtained across 40 cm of the wire then internal resistance of the cell is R S R 40 3 A 0 25 02 C 0 80 2 20 C d B 0 50 2 D 1 00 2

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