An aluminum wire (p = 2.82x108 Qm at 20 °C and a = 3.9x10³ °C') with a diameter of 0.085 mm has a uniform electric field of 0.185 V/m imposed along its entire length. The temperature of the wire is 35.0° C. Assume one free electron per atom. a) Determine the resistivity of aluminum at this temperature. b) What is the current density in the wire?
An aluminum wire (p = 2.82x108 Qm at 20 °C and a = 3.9x10³ °C') with a diameter of 0.085 mm has a uniform electric field of 0.185 V/m imposed along its entire length. The temperature of the wire is 35.0° C. Assume one free electron per atom. a) Determine the resistivity of aluminum at this temperature. b) What is the current density in the wire?
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 17P
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