A 10 ohm resistor is in series with 10V emf cell. A voltmeter is connected in parallel to 9.9V. Find the internal resistance of the cell. *
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A 10 ohm resistor is in series with 10V emf cell. A voltmeter is connected in parallel to 9.9V. Find the internal resistance of the cell. *
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Explanation:
Current in the circuit=9.910So r=Vri=10−9.9.99=.1.99=.101ohm
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