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OpenStudy (anonymous):

A high-voltage transmission line with a diameter of 2.30cm and a length of 182km carries a steady current of 1175A. If the conductor is copper wire with a free charge density of 7.80E+28 electrons/m3, how long does it take one electron to travel the full length of the cable? @douglaswinslowcooper

OpenStudy (anonymous):

Current = (velocity)(charge density)(area) time = distance/velocity

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