Consider a very large number of parallel long wires each carrying a current I directed out of the page, as shown in the picture. nis the number of wires per unit of length. A rectangular loop having width Wand length L represents an Amperian loop. By using Ampere's law, What is the magnitude of the magnetic field B near these wires?

Consider a very large number of parallel long wires each carrying a current I directed out of the page, as shown in the picture. nis the number of wires per unit of length. A rectangular loop having width Wand length L represents an Amperian loop. By using Ampere's law, What is the magnitude of the magnetic field B near these wires?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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

Consider a very large number of parallel long wires each carrying a current I directed
out of the page, as shown in the picture. n is the number of wires per unit of length.
A rectangular loop having width Wand length L represents an Amperian loop.
By using Ampere's law, What is the magnitude of the magnetic field B near these
wires?
L
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Select one:
Honl
2
Honl
b.
4
HonLI
W
Ho n I
di

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