An electron experiences the greatest force as it travels 3.7x106 m/s in a magnetic field when it is moving northward. The force is vertically upward and of magnitude 7.1x10-13N. (a)What is the direction of the magnetic field? (b)What is the magnitude of the magnetic field?

An electron experiences the greatest force as it travels 3.7x106 m/s in a magnetic field when it is moving northward. The force is vertically upward and of magnitude 7.1x10-13N. (a)What is the direction of the magnetic field? (b)What is the magnitude of the magnetic field?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 9CQ: Considering the magnetic force law, are the velocity and magnetic field always perpendicular? Are...

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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.

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