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For what value of unknown resistance X, ...

For what value of unknown resistance `X`, the potential difference between `B` and `D` will be zero in the circuit shown in the figure ?

A

4 ohm

B

2 ohm

C

3 ohm

D

6 ohm

Text Solution

Verified by Experts

The correct Answer is:
D
For balance bridge
`12/(1//2) =(6+x)/(1//2)rArr x=6 Omega`
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