A current of 26.1 A is maintained in a single circular loop of 3.7 m circumference. An external magnetic field of 0.5 T is directed parallel to the plane of the loop. What is the torque (in N.m) exerted on the loop?

A current of 26.1 A is maintained in a single circular loop of 3.7 m circumference. An external magnetic field of 0.5 T is directed parallel to the plane of the loop. What is the torque (in N.m) exerted on the loop?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 85AP: Acircularcoiofwireofradius5.Ocmhas2Otums and carries a current of 2.0 A. The coil lies in a magnetic...

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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 current of 26.1 A is maintained in
a single circular loop of 3.7 m
circumference. An external
magnetic field of 0.5 T is directed
parallel to the plane of the loop.
What is the torque (in N.m) exerted
on the loop?
Select one:
O A. 11.37
B. 9.95
C. 19.90
D. 14.22
O E. 17.06.

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