Question: a copper wire with a circular cross - section has a mass of 1 . 1 g and a resistance of 0 . 7 3

a copper wire with a circular cross-section has a mass of 1.1 g and a resistance of 0.730 ohm. at 20 degrees C, the resistivity of copper is 1.70E-8 ohm per meter and its density is 8,960 kg/m3

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