A wire is formed into a circle having a diameter of 15 cm and placed in a uniform magnetic field of 4.0 mT. The wire carries a current of 6 A. Find a) The maximum torque on the wire b) The range of potential energies of the wire-field system for different orientations of the circle.

A wire is formed into a circle having a diameter of 15 cm and placed in a uniform magnetic field of 4.0 mT. The wire carries a current of 6 A. Find a) The maximum torque on the wire b) The range of potential energies of the wire-field system for different orientations of the circle.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 86AP: A current-carrying coil in a magnetic field experiences a torque that is 75% of the maximum possible...

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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

4. A wire is formed into a circle having a diameter of 15 cm and placed in a uniform magnetic field
of 4.0 mT. The wire carries a current of 6 A. Find
a) The maximum torque on the wire
b) The range of potential energies of the wire-field system for different orientations of the
circle.

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