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Question: In a Wheatstone bridge all the four arms have equal resistance R. If the resistance of the galvanome...

In a Wheatstone bridge all the four arms have equal resistance R. If the resistance of the galvanometer arm is also R, the equivalent resistance of the combination as seen by the battery is :

A

R

B

2 R

C

R2\frac{R}{2}

D

R4\frac{R}{4}

Answer

R

Explanation

Solution

RAC = R