A current of 500 A flows in a 30 km long copper transmission line (diameter 1.0 cm). a) What is the current density? b) What is the drift speed of the booking drivers? c) How long does it take for a single electron to travel from one end of the transmission line to the other? The number (density) of free charge carriers (electrons) is 8.5×1028 m-3

A current of 500 A flows in a 30 km long copper transmission line (diameter 1.0 cm). a) What is the current density? b) What is the drift speed of the booking drivers? c) How long does it take for a single electron to travel from one end of the transmission line to the other? The number (density) of free charge carriers (electrons) is 8.5×1028 m-3

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 15P: If the current carried by a conductor is doubled, what happens to (a) the charge carrier density,...

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