(a) A solenoid is formed of a length of wire that carries a constant current I.The solenoid has 40 turns of wire per cm. The magnetic field at the center of the solenoid is measured to be 41 G. + TO Tube Battery Switch www.MiniS

(a) A solenoid is formed of a length of wire that carries a constant current I.The solenoid has 40 turns of wire per cm. The magnetic field at the center of the solenoid is measured to be 41 G. + TO Tube Battery Switch www.MiniS

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 38P: A circular loop of radius R carries a current I. At what distance along the axis of the loop is the...

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Concept explainers

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.

Question

(a)
A solenoid is formed of a length of wire that
carries a constant current I.The solenoid has
40 turns of wire per cm. The magnetic field
at the center of the solenoid is measured to
be 41 G.
+
0
Tube
Battery
Switch
www.MiniSc
The current through the solenoid in (A) :

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