A straight, cylindrical wire lying along the x axis has a length of 0.450 m and a diameter of 0.165 mm. It is made of a material described by Ohm's law with a resistivity of p = 4.00 x 10-80 m. Assume a potential of 4.00 V is maintained at the left end of the wire at x = 0. Also assume V = 0 at x = 0.450 m. (a) Find the magnitude (in V/m) and direction of the electric field in the wire. magnitude V/m direction --Select--- (b) Find the resistance of the wire (in 2). 22 (c) Find the magnitude (in A) and direction of the electric current in the wire. magnitude direction ---Select--- (d) Find the current density in the wire (in MA/m²). MA/m² (e) Show that E = p. (Submit a file with a maximum size of 1 MB.) Choose File No file chosen This answer has not been graded yet.

A straight, cylindrical wire lying along the x axis has a length of 0.450 m and a diameter of 0.165 mm. It is made of a material described by Ohm's law with a resistivity of p = 4.00 x 10-80 m. Assume a potential of 4.00 V is maintained at the left end of the wire at x = 0. Also assume V = 0 at x = 0.450 m. (a) Find the magnitude (in V/m) and direction of the electric field in the wire. magnitude V/m direction --Select--- (b) Find the resistance of the wire (in 2). 22 (c) Find the magnitude (in A) and direction of the electric current in the wire. magnitude direction ---Select--- (d) Find the current density in the wire (in MA/m²). MA/m² (e) Show that E = p. (Submit a file with a maximum size of 1 MB.) Choose File No file chosen This answer has not been graded yet.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 63P

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