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A battery is charged at a potential of 1...

A battery is charged at a potential of 15V for 8 hours when the current flowing is 10A. The battery on discharge supplies a current of 5A for 15 hours. The mean terminal voltage during discharges is 14 V. The "Watt hour" efficiency of the battery is :-

A

0.825

B

0.8

C

0.9

D

0.875

Text Solution

Verified by Experts

The correct Answer is:
D
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