Physics, asked by souravo7837, 11 months ago

A potential of 120v is applied across the ends of a cylindrical copper rod of length 1cm and radius is 2.0mm. find the value of current through the rod . (The resistivity of copper is 1.7× 10-8 ohm m )

Answers

Answered by abhay6122

0

Explanation:

I= V/R

R= 1.7×10^-8×1×10^-2/3.14×2×2×10^-6

0.13×10^-4

I= 120/0.13×10^-4

=923×10^4

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