Published by:
CGP EDU Academic Team
Published on: September 12, 2026
The resistance per centimeter of a meter bridge wire is r, with 
resistance in left gap. Balancing length from left end is at 
with 
resistance in right gap. Now the wire is replaced by another wire of 2r resistance per centimeter. The new balancing length for same settings will be at
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
From (i) and (ii)
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