A 12V Car Battery has an internal resistance of 0.2ohms. What potential difference must be applied across its terminals by a battery charger in order that the charging current will be 5A?

Dear Vishnu

In case of charging

potential difference= E + Ir = 12 + 5x0.2 = 13V Answer

All the best.                                                           

AKASH GOYAL

AskiitiansExpert-IIT Delhi

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