A 136 turn circular coil of diameter 52 cm is placed in the earth's magnetic field 0.42 G, such that its magnetic dipole moment makes an angle 31° with the field as shown in the picture. If the current in the circular coil is 160 A, then calculate the following: (2+1+1=4 marks) a) The magnetic dipole moment of the coil in Am² = b) The torque on the current loop measured in Nm : c) The potential energy of the current loop in joules

A 136 turn circular coil of diameter 52 cm is placed in the earth's magnetic field 0.42 G, such that its magnetic dipole moment makes an angle 31° with the field as shown in the picture. If the current in the circular coil is 160 A, then calculate the following: (2+1+1=4 marks) a) The magnetic dipole moment of the coil in Am² = b) The torque on the current loop measured in Nm : c) The potential energy of the current loop in joules

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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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 136 turn circular coil of diameter 52 cm is placed in the
earth's magnetic field 0.42 G, such that its magnetic dipole
moment makes an angle 31° with the field as shown in the
picture. If the current in the circular coil is 160 A, then calculate
the following: (2+1+1=4 marks)
y
a) The magnetic dipole moment of the coil in Am? =
b) The torque on the current loop measured in Nm =
c) The potential energy of the current loop in joules =

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