The figure below shows a long conducting coaxial cable and gives its radii (R₁ = 4.78cm, R₂-6.5cm, R3-16cm). The inner cable has a uniform current density of J = 5.1 A/m², and the outer cable carries a uniform current I = 2.1A 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 up at a distance r = 12.5cm from the center of the cable. Express your answer using four decimal places.

The figure below shows a long conducting coaxial cable and gives its radii (R₁ = 4.78cm, R₂-6.5cm, R3-16cm). The inner cable has a uniform current density of J = 5.1 A/m², and the outer cable carries a uniform current I = 2.1A 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 up at a distance r = 12.5cm from the center of the cable. Express your answer using four decimal places.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 47P: A long, solid, cylindrical conductor of radius 3.0 cm carries a current of 50 A distributed...

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