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26-05-2024
Engineering

Answered

A circuit has two resistors of 10 ohms and 12 ohms connected in series. This circuit is supplied by a battery. A voltmeter connected across the 10 ohm resistor reads 25V, but this value increases to 47,5V when the 12 ohm resistor is short circuited. Calculate the internal resistance of the battery and the emf of the battery

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