Solution-What is the number of conduction electrons per m^3

What is the number of conduction electrons per m^3

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Copper has one conduction electron per atom, that is, each atom contributes one electron that is free to move through the solid. The density of copper is 9 g/cm^3 and its molecular weight is 64 g/mole. A wire carries a current of 10 A. The cross sectioned area of the wire is 3 mm^2.

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In the earth's atmosphere positive charges move toward the earth and negative charges move away from it. The total current is 1800 A. The average value of the electric field responsible for this current near the surface of the earth is 100 N/C. What is electrical resistivity of air at the surface of the earth? The radius of the earth is 6.37 x 10^6 m.

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Reference no: EM13961765

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What is the number of conduction electrons per m^3

Reference no: EM13961765

Reference no: EM13961765

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