In a Wheatstone's 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:

Question

In a Wheatstone's 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:, 4 R ​, 2 R ​, R, 2 R

MARKS App · Accepted Answer

Resistance seen by the battery = Equivalent resistance between A and B is R .

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