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The figure below shows a wheatstone brid...

The figure below shows a wheatstone bridge with resistors P and Q having almost equal resistance. When R = `400 Omega` , the bridge is in balanced condition. If on interchanging P and Q, the bridge is again balanced for `R = 405 Omega`, then the value of X is

A

`404.5 Omega`

B

`402. 5 Omega`

C

`403.5 Omega`

D

`401.5 Omega`

Text Solution

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The correct Answer is:
B
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