A battery is charged at a potential of 15 volt for 8 hours when current flowing is 10…
Physics · JEE Main · NTA Exams — Current Electricity
A battery is charged at a potential of 15 volt for 8 hours when current flowing is 10 A.The battery on discharge supplies a current of 5A for 15 hours .The mean terminal voltage during discharge is 14 volt. What is watt hour efficiency of the battery.
- 50%
- 67.8%
- 89.6%
- 87.5%
Answer
(D) 87.5%
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