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A battery is charged at potential of 15 ...

A battery is charged at potential of 15 V for 8 h by means of a current of 10A. While discharging it supplies a current 5A for 15h at a potential difference of 14 V. Calculate the watt-hour efficiency of the battery.

A

`80%`

B

`90%`

C

`87.5%`

D

`82.5%`

Text Solution

Verified by Experts

The correct Answer is:
C
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