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The Wheatstone's bridge shown in the Fig...

The Wheatstone's bridge shown in the Fig. A2.5 is balanced. If the positions of the cell C and the galvanometer F are now interchanged, G will show zero deflection

A

in all cases

B

only if all the resistances

C

only if `R_1 = R_3 and R_2= R_1`

D

only if `R_1//R_3 = R_2//R_4`

Text Solution

Verified by Experts

The correct Answer is:
A
a. In a Wheatstone bridge, the deflection in the galvanometer does not change if the battery and galvanometer are interchanged.
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