A copper wire has radius r = 0.314 cm, is 6.00 m long, has resistivity p = 1.72-10-82 m, and carries a current of 0.307 A. The wire has density of charge carriers of 8.50-1028 electrons/m a) What is the resistance, R, of the wire? 183.0377 10^-8r Submit Answer Unable to interpret units. Computer reads units as "r". Tries 1/100 Previous Tries b) What is the electric potential difference, AV, across the wire? 56.1926*10^-8V Submit Answer You have entered that answer before Incorrect. Tries 1/100 Previous Tries c) What is the electric field, E, in the wire?

A copper wire has radius r = 0.314 cm, is 6.00 m long, has resistivity p = 1.72-10-82 m, and carries a current of 0.307 A. The wire has density of charge carriers of 8.50-1028 electrons/m a) What is the resistance, R, of the wire? 183.0377 10^-8r Submit Answer Unable to interpret units. Computer reads units as "r". Tries 1/100 Previous Tries b) What is the electric potential difference, AV, across the wire? 56.1926*10^-8V Submit Answer You have entered that answer before Incorrect. Tries 1/100 Previous Tries c) What is the electric field, E, in the wire?

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

Resistivity

Resistivity is a characteristic property of the conductor’s material that measures the extent to which the material opposes the flow of current. It is denoted by the Greek letter “rho”. Electrical resistivity, also known as specific resistance, depends on the nature of the material of the conductor and is unaffected by its dimensions.

Question

A copper wire has radius r = 0.314 cm, is 6.00 m long, has resistivity p = 1.72-10-82 m, and carries a current of 0.307 A. The wire has density of charge carriers of 8.50.1028 electrons/m³.
a) What is the resistance, R, of the wire?
183.0377*10^-8r
Submit Answer Unable to interpret units. Computer reads units as "r". Tries 1/100 Previous Tries
b) What is the electric potential difference, AV, across the wire?
56.1926*10^-8V
Submit Answer You have entered that answer before Incorrect. Tries 1/100 Previous Tries
c) What is the electric field, E, in the wire?

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