A solenoid has 1,296 tums per meter and radius 2.5 cm. The current in the solenoid is 38 A. What is the magnitude of the magnetic field, in tesla (T), through its axis if an iron bar of relative permeability 3000 is inserted in the solenoid?

A solenoid has 1,296 tums per meter and radius 2.5 cm. The current in the solenoid is 38 A. What is the magnitude of the magnetic field, in tesla (T), through its axis if an iron bar of relative permeability 3000 is inserted in the solenoid?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 64P: A solenoid with an iron core is 25 cm long and is wrapped with 100 turns of wire. When the current...

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Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

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A solenoid has 1,296 tums per meter and radius 2.5 cm. The current in the solenoid is 38 A. What is the magnitude of the magnetic field, in tesla (T), through its axis if an iron bar of
relative permeability 3000 is inserted in the solenoid?

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