An electron in a television tube moves with a speed of 6.44 107 m/s, in a direction perpendicular to the Earth's field, which has a strength of 5.00 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 1.10 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
An electron in a television tube moves with a speed of 6.44 107 m/s, in a direction perpendicular to the Earth's field, which has a strength of 5.00 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 1.10 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
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter19: Electric Forces And Electric Fields
Section: Chapter Questions
Problem 10OQ: An electron with a speed of 3.00 106 m/s moves into a uniform electric field of magnitude 1.00 103...
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An electron in a television tube moves with a speed of 6.44 107 m/s, in a direction perpendicular to the Earth's field, which has a strength of 5.00 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 1.10 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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