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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 2 > Chapter 3 - Current Electricity > A battery is charged at a potential for 15 V for 8 h when the current following is 10A. The battery on discharge supplies a current of 5A for 15h . The mean terminal voltage during discharge is 14V. The watt-hour efficiency of the battery is

A battery is charged at a potential for 15 V for 8 h when the current following is 10A. The battery on discharge supplies a current of 5A for 15h . The mean terminal voltage during discharge is 14V. The watt-hour efficiency of the battery is

The current i5 is