The wire loop shown below carries a current I in the direction indicated by the purple arrows. Segment da is an arc of a circle centered at the origin with radius ₁. Segment bc is an arc of a circle centered at the origin with radius 12. Segments da and bc both subtend an angle 0 from the origin. Segments ab and cd are straight lines of length 12 - 1₁ each. y Find the magnetic field at the origin. d C a b X

The wire loop shown below carries a current I in the direction indicated by the purple arrows. Segment da is an arc of a circle centered at the origin with radius ₁. Segment bc is an arc of a circle centered at the origin with radius 12. Segments da and bc both subtend an angle 0 from the origin. Segments ab and cd are straight lines of length 12 - 1₁ each. y Find the magnetic field at the origin. d C a b X

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

3. The wire loop shown below carries a current I in the direction indicated by the purple arrows.
Segment da is an arc of a circle centered at the origin with radius r₁. Segment bc is an arc of a circle
centered at the origin with radius 12. Segments da and be both subtend an angle from the origin.
Segments ab and cd are straight lines of length r₂ - ₁ each.
y
Find the magnetic field at the origin.
d
C
а
I
b
8

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