According to Question,Length of Wire= 1km=1000m Diameter of Wire=0.50mm&there4; Radius of wire= 0.25mm=0.25x10-3m Resistivity(ρ)=1.7x10-8Ωm

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Lakhmir Singh & Manjit Kaur - Physics

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Q. 3 B3.7( 35 Votes )

Calculate the res

Class 10th Lakhmir Singh & Manjit Kaur - Physics 1. Electricity

Answer :

According to Question,
Length of Wire= 1km=1000m

Diameter of Wire=0.50mm
∴ Radius of wire= 0.25mm=0.25x10^-3m

Resistivity(ρ)=1.7x10^-8Ωm

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