Consider a coaxial cable as shown in the figure. The cable consists of a solid inner conductor of radius r = 0.5 cm that is surrounded by a cylindrical tube of inner radius ry = 0.8 cm and outer radius rs = 1.9cm. The conductors carry equal and opposite currents / = 4 A but the current density varies linearly with the distance from the center for the inner conductor (j = cir) while it is distributed uniformly for the outer conductor. Determine the magnetic field (in units of uT (microtesla)) at a distance r = 1.2 cm from the axis. (Ho = 4x x I 10-7 N/A? and a = 3.14) Answer:

Consider a coaxial cable as shown in the figure. The cable consists of a solid inner conductor of radius r = 0.5 cm that is surrounded by a cylindrical tube of inner radius ry = 0.8 cm and outer radius rs = 1.9cm. The conductors carry equal and opposite currents / = 4 A but the current density varies linearly with the distance from the center for the inner conductor (j = cir) while it is distributed uniformly for the outer conductor. Determine the magnetic field (in units of uT (microtesla)) at a distance r = 1.2 cm from the axis. (Ho = 4x x I 10-7 N/A? and a = 3.14) Answer:

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 46P: The accompanying figure shows a cross-section of a long, hollow, cylindrical conductor of inner...

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