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In meter bridge , the balancing length f...

In meter bridge , the balancing length from left is found to be 20 cm when standard connected of `1 Omega` is in right gap . The value of unknown resistance is

A

`0.8 Omega`

B

`0.5 Omega`

C

`0.4 Omega`

D

`0.25 Omega`

Text Solution

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The correct Answer is:
D
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