In a device called a velocity selector, charged particles move through a region of space with bothan electric and a magnetic field. If the speed of the particle has a particular value, the net force actingon it is zero. Assume that a positively charged particle moves in the positive x direction, as shown inthe sketch, and the electric field is in the positive y direction. Should the magnetic field be in (a) thepositive z direction, (b) the negative y direction, or (c) the negative z direction in order to give zeronet force?
In a device called a velocity selector, charged particles move through a region of space with bothan electric and a magnetic field. If the speed of the particle has a particular value, the net force actingon it is zero. Assume that a positively charged particle moves in the positive x direction, as shown inthe sketch, and the electric field is in the positive y direction. Should the magnetic field be in (a) thepositive z direction, (b) the negative y direction, or (c) the negative z direction in order to give zeronet force?
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
Chapter22: Magnetic Forces And Magnetic Fields
Section: Chapter Questions
Problem 63P
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In a device called a velocity selector, charged particles move through a region of space with both
an electric and a magnetic field. If the speed of the particle has a particular value, the net force acting
on it is zero. Assume that a positively charged particle moves in the positive x direction, as shown in
the sketch, and the electric field is in the positive y direction. Should the magnetic field be in (a) the
positive z direction, (b) the negative y direction, or (c) the negative z direction in order to give zero
net force?
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