If the current flowing through a cylindrical wire with cross-sectional area A=2x10^-6m² is 0.6A and the resistivity of the wire is 4x10^-8 ohm.m, what is the electric field (in mN/C) formed in the wire? (e=1.6x10^-19C)

If the current flowing through a cylindrical wire with cross-sectional area A=2x10^-6m² is 0.6A and the resistivity of the wire is 4x10^-8 ohm.m, what is the electric field (in mN/C) formed in the wire? (e=1.6x10^-19C)

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 12P

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Resistivity

Resistivity is a characteristic property of the conductor’s material that measures the extent to which the material opposes the flow of current. It is denoted by the Greek letter “rho”. Electrical resistivity, also known as specific resistance, depends on the nature of the material of the conductor and is unaffected by its dimensions.

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