Question

a 300 cm for Que). The resistance of potentiometer wire is O. I 21cm. A cell of emf is 1.5v balances on this potentiometer wire . find the current and Balancing length another cell of emff.qv on the same potentiometer wire?​

Answer 1

Answer:

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Answer 2

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The length of other cell of the same potentiometer wire is 2 . 8 m.

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