Calculate the ampere-hour and watt-hour efficiencies in this particular case

Posted on 2014-01-20 14:04:00 in Engineering by CLARENCE-->FAMOUS

An alkaline cell is discharge at a steady current of 4 A for 12 hours, the average terminal voltage being 1.2 V. To restore it to original state of voltage, a steady current of 3 A for 20 hours is required, average terminal voltage being 1.44V. Calculate the ampere-hour and watt-hour efficiencies in this particular case.

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