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The e.m.f. of a standard cell balances a...

The e.m.f. of a standard cell balances across 150 cm length of a wire of potentiometer. When a resistance of `2Omega` is connected as a shunt with the cell, the balance point is obtained at 100cm . The internal resistance of the cell is

A

0.1ohm

B

1ohm

C

2ohm

D

0.5ohm

Text Solution

Verified by Experts

The correct Answer is:
B
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