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A battery of 20 cells is charged by 220V with a charging current of 15A. If the emf of each cell is 2V and internal resistance is 0.1ohm,then the series resistance required to be placed in the circuit will be |
| Answer» A battery of 20 cells is charged by 220V with a charging current of 15A. If the emf of each cell is 2V and internal resistance is 0.1ohm,then the series resistance required to be placed in the circuit will be | |