A wire in which there is a current of 3.7 A is to be formed into a circular loop of one turn. If the required value of the magnetic field at the center of the loop is 9.56 µT, what is the required radius? The permeability of free space is 1.25664 x 10-6 T m/A. Answer in units of cm.

A wire in which there is a current of 3.7 A is to be formed into a circular loop of one turn. If the required value of the magnetic field at the center of the loop is 9.56 µT, what is the required radius? The permeability of free space is 1.25664 x 10-6 T m/A. Answer in units of cm.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter22: Magnetism

Section: Chapter Questions

Problem 62PE: Inside a motor, 30.0 A passes through a 250-turn circular loop that is 10.0 cm in radius. What i5...

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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

002
A wire in which there is a current of 3.7 A is
to be formed into a circular loop of one turn.
If the required value of the magnetic field
at the center of the loop is 9.56 T, what is
the required radius? The permeability of free
space is 1.25664 x 10-6 T-m/A.
Answer in units of cm.

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