An aluminum wire of constant circular cross section with a diameter of 4.00 mm is subjected to a uniform electric field of 0.2 V/m. Determine: (a) The current through the conductor if its conductivity is 3.64x107 Ω-1.m-1. b) The number of free electrons per unit volume if one conduction electron per aluminum atom is assumed. (The density is 2.7 g/cm3 and the molar mass is 27 g/mol). c) The drift velocity.

An aluminum wire of constant circular cross section with a diameter of 4.00 mm is subjected to a uniform electric field of 0.2 V/m. Determine: (a) The current through the conductor if its conductivity is 3.64x107 Ω-1.m-1. b) The number of free electrons per unit volume if one conduction electron per aluminum atom is assumed. (The density is 2.7 g/cm3 and the molar mass is 27 g/mol). c) The drift velocity.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

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