Copper has 8.5 x 1028 free electrons per cubic meter. A 75.0-cm length of copper wire with a diameter of 2.05 mm, carries 4.97 A of current. a. How much time does it take for an electron to travel the length of the wire? b. Repeat (a) for a wire with a diameter of 4.12 mm of the same length that carries the same current. c. How does changing the diameter of the wire affect the drift velocity of the electrons in the wire?

Copper has 8.5 x 1028 free electrons per cubic meter. A 75.0-cm length of copper wire with a diameter of 2.05 mm, carries 4.97 A of current. a. How much time does it take for an electron to travel the length of the wire? b. Repeat (a) for a wire with a diameter of 4.12 mm of the same length that carries the same current. c. How does changing the diameter of the wire affect the drift velocity of the electrons in the wire?

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter1: Units And Measurement

Section: Chapter Questions

Problem 15P: Use the orders of magnitude you found in the previous problem to answer the following questions to...

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