A copper transmission line is to be replaced by one of aluminum having the same total resistance. If the cross-sectional area of the copper wire is 500 MCM, what would be the cross-sectional area of the new aluminum 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 8P: A 0.900-V potential difference is maintained across a 1.50-m length of tungsten wire that has a...
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A copper transmission line is to be replaced by one of aluminum having the same total resistance. If the cross-sectional area of the copper wire is 500 MCM, what would be the cross-sectional area of the new aluminum wire?

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