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

A battery has e.m.f. 4 V and internal resistance r . When this battery is connected to an external resistance of 2 ohms , a current of 1 amp . 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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