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A battery has e.m.f. 4V and internal res...

A battery has e.m.f. 4V and internal resistance `r`. When this battery is connected to an external resistance of `2 Omega`, a current of 1A flows in the circuit. How much current will flow if the terminals of the battery are connected directly.

A

1A

B

2A

C

4A

D

infinite.

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