Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A wire of resistance
and radius
is stretched till its radius became
. If new resistance of the stretched wire is
, then value of
is _____
Text Solution
Verified by ExpertsThe correct answer is:
16
(16)
We know 
As we starch the wire, its length will increase but its radius will decrease keeping the volume constant

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