At one instant, one electron that is moving through a uniform magnatic filed has velocity V= 40i + 35j (m/s) when it experience a force due to the magnatic field given by Fb=(-4.2i + 4.8j)×(10^-18 N). If Bx is equal to zero calculate the magnatic field. [Give your answer in unit vector notation.

At one instant, one electron that is moving through a uniform magnatic filed has velocity V= 40i + 35j (m/s) when it experience a force due to the magnatic field given by Fb=(-4.2i + 4.8j)×(10^-18 N). If Bx is equal to zero calculate the magnatic field. [Give your answer in unit vector notation.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter26: Electromagnetism

Section: Chapter Questions

Problem 1STP

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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

At one instant, one electron that is moving through a uniform magnatic filed has velocity V= 40i + 35j (m/s) when it experience a force due to the magnatic field given by F_b=(-4.2i + 4.8j)×(10^-18 N). If B_xis equal to zero calculate the magnatic field. [Give your answer in unit vector notation.

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