An electron in a television tube moves with a speed of 6.34 x 107 m/s, in adirection perpendicular to the Earth's field, which has a strength of5.00 x 10-5 T.(a) What strength electric field must be applied perpendicular to theEarth's field to make the electron move in a straight line?kV/m(b) If this is done between plates separated by 1.05 cm, what is thevoltage applied? (Note that TVs are usually surrounded by aferromagnetic material to shield against external magnetic fields andavoid the need for such a correction.)V

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Answered: An electron in a television tube moves…

An electron in a television tube moves with a speed of 6.34 x 107 m/s, in a direction perpendicular to the Earth's field, which has a strength of 5.00 x 10-5 T.

Physics for Scientists and Engineers, Technology Update (No access codes included)

9th Edition

ISBN:9781305116399

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter29: Magnetic Fields

Section: Chapter Questions

Problem 29.2OQ: Rank the magnitudes of' the forces exerted on the following particles from largest to smallest. In...

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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

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An electron in a television tube moves with a speed of 6.34 x 107 m/s, in a
direction perpendicular to the Earth's field, which has a strength of
5.00 x 10-5 T.
(a) What strength electric field must be applied perpendicular to the
Earth's field to make the electron move in a straight line?
kV/m
(b) If this is done between plates separated by 1.05 cm, what is the
voltage applied? (Note that TVs are usually surrounded by a
ferromagnetic material to shield against external magnetic fields and
avoid the need for such a correction.)
V

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