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The resistances in the two arms of the m...

The resistances in the two arms of the meter bridge are `5Omega` and `ROmega`, respectively. When the resistance R is shunted with an equal resistance, the new balance point is at `1.6l_1`.The resistance ‘R’ is

A

`10Omega`

B

`15Omega`

C

`20Omega`

D

`25Omega`

Text Solution

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The correct Answer is:
B
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