A planar rectangular coil of dimensions axb is oriented perpendicular to a uniform magnetic field. A current is suddenly started in the coil. About which axis will the coil begin to rotate? A. None of the above. B. z-axis. C. y-axis. D. x-axis. 1 B

A planar rectangular coil of dimensions axb is oriented perpendicular to a uniform magnetic field. A current is suddenly started in the coil. About which axis will the coil begin to rotate? A. None of the above. B. z-axis. C. y-axis. D. x-axis. 1 B

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter22: Magnetism

Section: Chapter Questions

Problem 65PE: What current is needed in the solenoid described in Exercise 22.58 to produce a magnetic field 104...

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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

A planar rectangular coil of dimensions axb is oriented perpendicular to a
uniform magnetic field. A current is suddenly started in the coil. About which axis will the coil
begin to rotate?
A. None of the above.
B. z-axis.
C. y-axis.
D. x-axis.
109

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