An aluminum wire with a diameter of 0.095 mm has a uniform electric field of 0.325 V/m imposed along its entire length. The temperature of the wire is 45.0° C. Assume one free electron per atom. (a) Use the information in this Table of Resistivities and Temperature Coefficients to determine the resistivity of aluminum at this temperature. p= 22.m (b) What is the current density in the wire? J = MA / m² (c) What is the total current in the wire? I= mA

An aluminum wire with a diameter of 0.095 mm has a uniform electric field of 0.325 V/m imposed along its entire length. The temperature of the wire is 45.0° C. Assume one free electron per atom. (a) Use the information in this Table of Resistivities and Temperature Coefficients to determine the resistivity of aluminum at this temperature. p= 22.m (b) What is the current density in the wire? J = MA / m² (c) What is the total current in the wire? I= mA

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 9P

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