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A nickel-alkaline battery is discharged at a constant current of 6A for 12h at an average terminal voltage of 1.2V. A charging current of 4A for 22h, at an average terminal voltage of 1.5V is required to re-charge the battery completely. Calculate the ampere hour and watt hour efficiencies.

Home/ College/A nickel-alkaline battery is discharged at a constant current of 6A for 12h at an average terminal voltage of 1.2V. A charging current of 4A for 22h, at an average terminal voltage of 1.5V is required to re-charge the battery completely. Calculate the ampere hour and watt hour efficiencies.