"wire table" states that 12-gauge copper wire at 20°C has a diameter of 2.053 mm, a cross-sectional area of 3.309 mm2, and a resistance per length of 5.211 ohms per kilometer. Calculate the resistivity of the copper in this wire at 20°C three significant figures.Recall that mm2 = (10-3 m)2 = 10-6 m2 and that km %3D 103 m. %3D 1.70 X 10-8 ohm-m 1.72 x 10-8 om-m 2.00 x 10-8 ohm-m O 2.02 x 10-8 ohm-m

"wire table" states that 12-gauge copper wire at 20°C has a diameter of 2.053 mm, a cross-sectional area of 3.309 mm2, and a resistance per length of 5.211 ohms per kilometer. Calculate the resistivity of the copper in this wire at 20°C three significant figures.Recall that mm2 = (10-3 m)2 = 10-6 m2 and that km %3D 103 m. %3D 1.70 X 10-8 ohm-m 1.72 x 10-8 om-m 2.00 x 10-8 ohm-m O 2.02 x 10-8 ohm-m

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