Answered: Magnetic Field (into the page) What…

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Physics

Magnetic Field (into the page) What direction is the induced Magnetic Field within the closed loop?

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section24.1: Magnets: Permanent And Temporary

Problem 13SSC

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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

Below is a closed loop (purple square) within a magnetic field. This magnetic field is decreasing in magnitude (and staying into the page).

This means that at time t = 1.0 second, the magnetic field has a value of 12.0 T into the page. At time t = 4.0 seconds, the field is now 2.00 T into the page.

Magnetic Field (into the page)
What direction is the induced Magnetic Field within the closed loop?

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