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Task id10505

Task id10505

Seller: nerdmavr

Price: 0.17 USD

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Product description

A voltmeter is connected to a circuit consisting of a battery and a resistance of 20 Ohms, first in series and then in parallel with the resistance. The voltmeter readings are the same in both cases. What is the resistance of the voltmeter if the internal resistance of the battery is 0.1 ohm?

Additional information

Detailed solution. Format jpg