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How to calculate the resistance of a copper wire that is 1 km long and that has a diameter of 6 mm (take the resistivity of copper as 1,72×10^-8) - Quora
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Calculate the electric field in a copper wire of cross sectional area 2mm^2 carrying a current of 2 ampere; given that resistivity of copper wire is 1.7×10^ 8 ohm m.
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Calculate the resistance of a copper wire of length 1m and area of cross section 2 m m². Resistivity of copper wire is 1.7 × 10‐⁸ ohm m