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In house wiring, copper wire `2.05 mm` in diameter is often used. Find the resistane of `35.0 m` long wire. Specific resistance of copper is `1.72xx10

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In house wiring, copper wire `2.05 mm` in diameter is often used. Find the resistane of `35.0 m` long wire. Specific resistance of copper is `1.72xx10^-8Omega-m`.
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`R=rhol/A=((1.72xx10^-8)(35))/((pi//4)(2.05xx10^-3)^2)=0.18Omega`
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