empt%3D982 3.6 A is maintained in a single circular loop having a circumference of 80 cm. An external magnetic field of is directed so that the angle between the field and the plane of the loop is 20°. Determine the magnitude of the que (in units of N.m) exerted on the loop by the magnetic forces.

empt%3D982 3.6 A is maintained in a single circular loop having a circumference of 80 cm. An external magnetic field of is directed so that the angle between the field and the plane of the loop is 20°. Determine the magnitude of the que (in units of N.m) exerted on the loop by the magnetic forces.

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter22: Magnetic Forces And Magnetic Fields

Section: Chapter Questions

Problem 27P

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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.

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A current of 13.6 A is maintained in a single circular loop having a circumference of 80 cm. An external magnetic field of
2.0T is directed so that the angle between the field and the plane of the loop is 20°. Determine the magnitude of the
torque (in units of N.m) exerted on the loop by the magnetic forces.
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