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A storage battery of emf 8.0 V and inter...

A storage battery of emf 8.0 V and internal resistance `0.5 Omega` is being charged by a 120 V dc supply using a series resistor of `15.5 Omega`. What is the terminal voltage of the battery during charging? What is the purpose of having a series resistor in the charging circuit?

A

11.5 V

B

20 V

C

21.5 V

D

12.3 V

Text Solution

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The correct Answer is:
A
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