Answered: What is the resistance of a 20.0-m-long…

What is the resistance of a 20.0-m-long piece of 12- gauge copper wire having a 2.05 mm diameter? (Resistivity of copper is 1.68 X 10-8 ohm meter)

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.

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What is the resistance of a 20.0-m-long piece of 12-
gauge copper wire having a 2.05 mm diameter?
(Resistivity of copper is 1.68 X 108 ohm meter)

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