In a potentiometer experiment the balancing with a cell is at length 2 – McqOptions

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1.	In a potentiometer experiment the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of 2 W, the balancing length becomes 120 cm. The internal resistance of the cell is [DCE 2002; AIEEE 2005]
A.	4 W
B.	2 W
C.	1 W
D.	0.5 W
Answer» C. 1 W

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