Which of the following best describes magnetic field lines around a current-carrying wire?They form concentric circles around the wire.BThey point toward the wire.They point away from the wire.They are parallel with the wire.©2021Illuminate Education TM Inc.

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Which of the following best describes magnetic field lines around a current-carrying wire? They form concentric circles around the wire. They point toward the wire. C They point away from the wire. D. They are parallel with the wire.

Which of the following best describes magnetic field lines around a current-carrying wire? They form concentric circles around the wire. They point toward the wire. C They point away from the wire. D. They are parallel with the wire.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 80AP: A 1.0-rn-long segment of wire lies along the x-axis and carries a current of 2.0 A in the positive...

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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

Which of the following best describes magnetic field lines around a current-carrying wire?
They form concentric circles around the wire.
B
They point toward the wire.
They point away from the wire.
They are parallel with the wire.
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Illuminate Education TM Inc.

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