Published by:
CGP EDU Academic Team
Published on: August 21, 2026
The metre bridge shown is in balance position with 
. If we now interchange the positions of galvanometer and cell, will the bridge work? If yes, what will be balance condition?
A
yes, 
B
yes, 
C
no, no null point
D
yes, 
Text Solution
Verified by ExpertsThe correct answer is:
According to given condition for the balanced bridge connection, the relation between P, Q, l 1 and l 2 is 
Now, if we interchange the position, the relation for P, Q, l 1 and l 2 will be
As we can see from the above relation that on interchanging galvanometer and battery positions, the balance condition remains unchanged.
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