A straight cylindrical wire lying along the x axis has a length of L= 2.4 m and a radius of r=0.2mm. The a resistivity of the wire's material is p= 2x10-8 Qm. If the potential difference across the ends of wire is V = 8 Volts,calculate the magnitude of the current density (J=?).O A. 6.25 x 108 A/m2• B. 1.667 x 108 A/m2• C. 2.086 x 10S A/m?D. 3.407 x 108 A/m2

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A straight eylindrical wire lying along the x axis has a length of L = 2.4 m and a radius of r = 0.2mm. The a resistivity of the wire's material is p = 2x10 Qm. If the potential difference across the ends of wire is V = 8 Volts, calculate the magnitude of the current density (J=?). • A. 6.25 x 10° A/m? B. 1.667 x 10° A/m2 C. 2.086 x 10$ A/m2 O D. 3.407 x 10° A/m2

A straight eylindrical wire lying along the x axis has a length of L = 2.4 m and a radius of r = 0.2mm. The a resistivity of the wire's material is p = 2x10 Qm. If the potential difference across the ends of wire is V = 8 Volts, calculate the magnitude of the current density (J=?). • A. 6.25 x 10° A/m? B. 1.667 x 10° A/m2 C. 2.086 x 10$ A/m2 O D. 3.407 x 10° A/m2

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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