If the magnetic field through a coil of wire changes, electric current will flowwhile it is changing. One way to make the magnetic field experienced by the coilto change, is to bring a magnet closer to or farther away from the coil of wire.IN20There are several things that could affect how big the change in the magneticfield through the coil of wire is. Make some predictions about these below.Predict: If a stronger magnet is used to create the change in magnetic field, thecurrent produced would be... *Obigger.smaller.unaffected.

Given : What happens to the current through the coil if a stronger magnet is bought near to it ?

Answered: Predict: If a stronger magnet is used…

Predict: If a stronger magnet is used to create the change in magnetic field, the current produced would be..* O bigger. smaller. unaffected.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter24: Magnetic Fields

Section: Chapter Questions

Problem 102A

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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

If the magnetic field through a coil of wire changes, electric current will flow
while it is changing. One way to make the magnetic field experienced by the coil
to change, is to bring a magnet closer to or farther away from the coil of wire.
IN
20
There are several things that could affect how big the change in the magnetic
field through the coil of wire is. Make some predictions about these below.
Predict: If a stronger magnet is used to create the change in magnetic field, the
current produced would be... *
Obigger.
smaller.
unaffected.

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