A horizontal power line carries a current of 4720 A from south to north. Earth's magnetic field (77.8 µT) is directed toward the north and is inclined downward at 58.0° to the horizontal. Find the (a) magnitude and (b) direction of the magnetic force on 110 m of the line due to

A horizontal power line carries a current of 4720 A from south to north. Earth's magnetic field (77.8 µT) is directed toward the north and is inclined downward at 58.0° to the horizontal. Find the (a) magnitude and (b) direction of the magnetic force on 110 m of the line due to

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 horizontal power line carries a current of
4720 A from south to north. Earth's magnetic
field (77.8 µT) is directed toward the north and
is inclined downward at 58.0° to the horizontal.
Find the (a) magnitude and (b) direction of the
magnetic force on 110 m of the line due to
Earth's field.

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