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figure-3.332 shows a potentiometer arran...

figure-3.332 shows a potentiometer arrangement with` R_(AB)= IOOmega` and rheostat of variable resistance x. For x = 0 null deflection point is found at 20cm from A. For unknown value of x null deflection point was at 30cm from A, then the value ofx is:

A

`10Omega`

B

`5Omega`

C

`2Omega`

D

`1Omega`

Text Solution

Verified by Experts

The correct Answer is:
C
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