Physics, asked by anshindoria72, 1 month ago

3. Calculate the resistance of 1 km long copper wire of radius 1 mm. (Resistivity of copper = 1.72 x 1 0-8) ​

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Answered by anshika345dubey
0

Answer:

Resistivity of copper is 1.72 xx 10^-8 Omega m. Step by step solution by experts to help you in doubt clearance & scoring excellent marks in exams. If R is the resistance of the given wire, then R=ρlA=(1.72×10-8Ωm)×(1000m)3. 14×10-6m2=5.48Ω.

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