D A battery of 20 cells is charged by 220 V with a charging current...
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D A battery of 20 cells is charged by 220 V with a charging current of 15 A If the emf of cell is 2 V and internal resistance is 0 1 02 then the series resistance required to be in the circuit will be 1 16 2 4 14 92 Hint Net Emf 2 10 92 15 220 20 2 20x01 R 3 12 92 R 1092
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