Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Two resistances R 1 =X 
and R 2 =1 
are connected to a wire AB of uniform resistivity, as shown in the figure. The radius of the wire varies linearly along its axis from 0.2mm at A to 1mm at B. A galvanometer (G) connected to the center of the wire, 50cm from each end along its axis, shows zero deflection when A and B are connected to a battery. The value of X is_________
Text Solution
Verified by ExpertsThe correct answer is:
5
(5)
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