Physics, asked by keerthanavg, 11 months ago

Calculate the resistance of a 1 km long copper wire , area of cross section 2× 10 Cm . The resistivity of copper wire 1.62×10

Answers

Answered by shemanourinep

0

R=rho×length/area

=1.62×10 × 1000/20×10^-2

=8.1

Convert Km and cm to m

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