An aluminum wire with a diameter of 0.095 mm has a uniform electric field of 0.215 V/m imposed along its entire length. The temperature of the wire is 55.0°C. Assume one free electron per atom. (a) Use the information in this Table of Resistivities and Temperature Coefficients to determine the resistivity (in n· m) of aluminum at this temperature. p = Ω. m (b) What is the current density (in MA/m2) in the wire? MA/m2 (c) What is the total current (in mA) in the wire? I = mA (d) What is the drift speed of the conduction electrons? Va = um/s (e) What potential difference must exist between the ends of a 1.50 m length of the wire to produce the stated electric field? AV = 0.322

An aluminum wire with a diameter of 0.095 mm has a uniform electric field of 0.215 V/m imposed along its entire length. The temperature of the wire is 55.0°C. Assume one free electron per atom. (a) Use the information in this Table of Resistivities and Temperature Coefficients to determine the resistivity (in n· m) of aluminum at this temperature. p = Ω. m (b) What is the current density (in MA/m2) in the wire? MA/m2 (c) What is the total current (in mA) in the wire? I = mA (d) What is the drift speed of the conduction electrons? Va = um/s (e) What potential difference must exist between the ends of a 1.50 m length of the wire to produce the stated electric field? AV = 0.322

Name: p5 An aluminum wire with a diameter of 0.095 mm has a uniform electric
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Description: p5 An aluminum wire with a diameter of 0.095 mm has a uniform electric field of 0.215 V/m imposed along its entire length. The temperature of the wire is 55.0°C. Assume one free electron per atom.(a) Use the information in this Table of Resistivities

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter9: Current And Resistance

Section: Chapter Questions

Problem 28P: An aluminum wire 1.628 mm in diameter (14-gauge) carries a current of 3.00 amps, (a) What is the...

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