length of a wire of a potentiometer is 100 cm and the emf is e voltemf of a battery whose internal resistance 0.5 ohm.if balanced point l=30.emf of the batterry is?

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Arun · Answer

By principle of potentiometerE1/E=L1/LSince null point is obtained at 30 cmL1=30L=100 because when E1 is not connected null point is obtained at 100 cmE1/E=30/100E1=30E/100

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length of a wire of a potentiometer is 100 cm and the emf is e voltemf of a battery whose internal resistance 0.5 ohm.if balanced point l=30.emf of the batterry is?

length of a wire of a potentiometer is 100 cm and the emf is e voltemf of a battery whose internal resistance 0.5 ohm.if balanced point l=30.emf of the batterry is?

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length of a wire of a potentiometer is 100 cm and the emf is e voltemf of a battery whose internal resistance 0.5 ohm.if balanced point l=30.emf of the batterry is?

length of a wire of a potentiometer is 100 cm and the emf is e voltemf of a battery whose internal resistance 0.5 ohm.if balanced point l=30.emf of the batterry is?

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