A high-voltage power transmission line is 200 km long, and is constructed of aluminium cable of diameter 30 mm. What is the resistance of this length of cable? (Resistivity of aluminium is 2.8x108 2m.)

A high-voltage power transmission line is 200 km long, and is constructed of aluminium cable of diameter 30 mm. What is the resistance of this length of cable? (Resistivity of aluminium is 2.8x108 2m.)

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Temperature Variance of Resistance

Electrical resistance or simply resistance is the property of a material that opposes the free flow of electrons through it. The total amount of resistance to the flow of charges (or current) is affected by many factors like the length of the conducting material, its cross-sectional area, resistivity, and temperature.

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13)
A high-voltage power transmission line is 200 km long, and is constructed of aluminium
cable of diameter 30 mm. What is the resistance of this length of cable? (Resistivity of
aluminium is 2.8x10-8 2m.)

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