Published by:
CGP EDU Academic Team
Published on: August 21, 2026
A copper wire of length 10 m and radius 
m has electrical resistance of 10 
. The current density in the wire for an electric field strength of 10 (V/m) is
Text Solution
Verified by ExpertsThe correct answer is:
Given that,
Length, l = 10 m
Area, 
Now, as we know
Current density, 
=10 5 A/m 2
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