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In a potentiometer arrangement for determining …

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In a potentiometer arrangement for determining the emf of a cell, the balance point of the cell in open circuit is 350 cm. When a resistance of 9 is used in the external circuit of the cell, the balance point shifts to 300 cm. Determine the internal resistance of the cell.

Posted by Nikku Prajapat 7 years ago

CBSE > Class 12 > Physics

1 answers

Manan Bedi 7 years ago

Apply the formula r=R(l1/l2-1) 9(50/300) 9/6 =1.5 ohm

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