How many years it takes one electron to travel

Reference no: EM1353165

Q. A 200 km long high-voltage transmission line 2.0 cm in diameter carries a steady current of 1 000 A. If the conductor is copper with a free charge density of 8.5 x10^28 electrons per cubic meter, how many years does it take one electron to travel the full length of the cable?

Q. A gauge-12 wire has diameter centimeters and length meters. When the voltage volts is applied to the ends of the wire, the current is amperes. The concentration of free electrons in the wire is per cubic meter.

Reference no: EM1353165

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