The figure below shows a long conducting coaxial cable and gives its radii (R₁ = 2.7cm, R₂=11.9cm, R3=16cm). The outer cable has a uniform current density of J = 3.4 A/m², and the inner cable carries a uniform current I = 2.4A flowing in opposite direction. Assume that the currents in each wire is uniformly distributed over its cross section. Determine the magnitude of the magnetic field in terms of μo at a distance r = 12.2cm from the center of the cable. Express your answer using two decimal places.

The figure below shows a long conducting coaxial cable and gives its radii (R₁ = 2.7cm, R₂=11.9cm, R3=16cm). The outer cable has a uniform current density of J = 3.4 A/m², and the inner cable carries a uniform current I = 2.4A flowing in opposite direction. Assume that the currents in each wire is uniformly distributed over its cross section. Determine the magnitude of the magnetic field in terms of μo at a distance r = 12.2cm from the center of the cable. Express your answer using two decimal places.

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

Chapter22: Magnetic Forces And Magnetic Fields

Section: Chapter Questions

Problem 45P

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