Answered: 27 - 28. What area of the coil is…

27 - 28. What area of the coil is needed to achieved a flux of 2.0 Wb over a magnetic field streng 5.5 T? 0.036 m2 • 0.36 m2 2.75 m2 • 3.6 m2

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter23: Electromagnetic Induction, Ac Circuits, And Electrical Technologies

Section: Chapter Questions

Problem 3CQ: Explain how magnetic flux can be zero when the magnetic field is not zero.

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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

27- 28. What area of the coil is needed to achieved a flux of 2.0 Wb over a magnetic field strength of
5.5 T?
0.036 m2
• 0.36 m2
2.75 m2
• 3.6 m2

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