Physics, 08.07.2020 21:01 BECKX2510

The battery has an emf of 12v and an unkown internal resistance r. Voltmeter V1 is connected across the battery and voltmeterV2 is connected across the switch ,S .The resistance of the connecting wires and the ammeter is negligible

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The battery has an emf of 12v and an unkown internal resistance r. Voltmeter V1 is connected across...