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Select the correct expression for the magnitude of electromotive force (e.m.f) of a straight conductor of length l moving with the velocity v perpendicular to a magnetic field B.

Inquiry into Physics

8th Edition

ISBN:9781337515863

Author:Ostdiek

Publisher:Ostdiek

Chapter9: Optics

Section: Chapter Questions

Problem 3C: Would the critical angle for a glass—water interface be less than, equal to, or greater than 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

Select the correct expression for the magnitude of electromotive force (e.m.f) of a straight conductor of length l moving with the velocity v perpendicular to a magnetic field B.

Select one:
a. e = /Bul
O b. € = Bul²
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O C. E =
= Bul
O d. e = Bull
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