Q.

For the working of potentiometer, the emf of cell in the primary circuit (E) compared to the emf of the cell in the secondary circuit (E') is

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a

Both the above

b

none of the above

c

E < E'

d

E > E'

answer is A.

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Detailed Solution

For working of potentiometer, the emf in primary circuit is made more than emf in secondary circuit

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