A copper wire of length L = 4000 meters has a uniform cross sectional area of A = 1.00 x 10-5 m2. The resistively of copper is 1.72 x 10-8 ohm meters. The resistance of the wire (in ohms) is 1.72 .86 6.88 3.44

A copper wire of length L = 4000 meters has a uniform cross sectional area of A = 1.00 x 10-5 m2. The resistively of copper is 1.72 x 10-8 ohm meters. The resistance of the wire (in ohms) is 1.72 .86 6.88 3.44

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 70AP: A 10.00-meter long wire cable that is made of copper has a resistance of 0.051 ohms, (a) What is the...

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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.

Question

A copper wire of length L = 4000 meters has a uniform cross sectional area of A = 1.00 x 10^-5 m². The resistively of copper is 1.72 x 10^-8 ohm meters. The resistance of the wire (in ohms) is

1.72
.86
6.88
3.44

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