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In a potentiometer the balance length wi...

In a potentiometer the balance length with standard cadmium cell is 509 cm. The emf of a cell which when connected I the place of the standard cell gave a balance length of 750 cm is (emf of standard cell is 1.018 V)

A

1.5 V

B

0.5 V

C

1.08 V

D

1.2 V

Text Solution

Verified by Experts

The correct Answer is:
A
`(E_(1))/(E_(2))=(l_(1))/(l_(2))3`
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