A copper wire has a square cross section 2.3 mm on a side. Thewire is 4 m long and carries a current of 3.6 A. The density of thefree electrons is n = 8.5 x 1029 m-3. The resistivity of Copper isPCu =1.7 x 10-8 N · mFind the magnitude of:1. The current density in the wire is: [ Select ]x106 A/m².2. The electric field in the wire is: [ Select ]_V/m.3. The time required for a free electron to travel the length of thewire is: [ Select ]hours.<>

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A copper wire has a square cross section 2.3 mm on a side. The wire is 4 m long and carries a current of 3.6 A. The density of the free electrons is n = 8.5 x 1029 m-3. The resistivity of Copper is PCu = 1.7 × 10-8 2 · m Find the magnitude of: 1. The current density in the wire is: [ Select ] _x106 A/m². 2. The electric field in the wire is: [ Select ] _V/m. 3. The time required for a free electron to travel the length of the wire is: [ Select ] hours. <> <>

A copper wire has a square cross section 2.3 mm on a side. The wire is 4 m long and carries a current of 3.6 A. The density of the free electrons is n = 8.5 x 1029 m-3. The resistivity of Copper is PCu = 1.7 × 10-8 2 · m Find the magnitude of: 1. The current density in the wire is: [ Select ] _x106 A/m². 2. The electric field in the wire is: [ Select ] _V/m. 3. The time required for a free electron to travel the length of the wire is: [ Select ] hours. <> <>

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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