Answered: A conductor has a diameter of 3.0 mm.…

A conductor has a diameter of 3.0 mm. How many meters of this material is needed to have a resistance of lohm? The resistivity of the conductor is 1.68 x10-8 n.m

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter17: Current And Resistance

Section: Chapter Questions

Problem 58AP

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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

Challenge #1
A conductor has a diameter of 3.0 mm. How many meters of this
material is needed to have a resistance of lohm? The resistivity of the
conductor is 1.68 x10-8 N. m

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