For a potentiometer to function, the emf...

For a potentiometer to function, the emf of the cell (`E`) in the primary circuit compared to the emf of the cell (`E^(1)`) in the secondary circuit should have a realtion

A

`E gt E^(1)`

B

`E lt E^(1)`

C

Both the above

D

`E= E^(1)`

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The correct Answer is:

A

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