NEET 2000 Physics question

Physics Current Electricity NEET 2000

A car battery of emf 12 V and internal resistance , receives a current of 60 A from external source, then terminal voltage of battery is :

(1)
(2)
(3)Correct
(4)

Answer: (3)

Solution

When a battery is being charged (it receives current from an external source), the current flows into its positive terminal and the terminal voltage exceeds the emf: $V = E +

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Question ID VK-088573