Categories > Current Electricity > Different Measuring Instruments > In the given figure, battery E is balanced on 55 cm length of potentiometer wire but when a resistance of 10 $\Omega$ is connected in parallel with the battery then it balances on 50 cm length of the potentiometer wire then internal resistance r of the battery is

Current Electricity

Question: In the given figure, battery E is balanced on 55 cm length of potentiometer wire but when a resistance of 10 $\Omega$ is connected in parallel with the battery then it balances on 50 cm length of the potentiometer wire then internal resistance r of the battery is

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1) 1 $\Omega$
2) 3 $\Omega$
3) 10 $\Omega$
4) 5 $\Omega$
Solution: Explanation: No Explanation
Different Measuring Instruments Potentiometer Meter Bridge

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