A velocity selector is a device that can choose the velocity of a charged particle moving through a region in which the electric field is perpendicular to the magnetic field, and both fields perpendicular to the initial velocity of the particle as shown in the figure. To make the charged particle travel straight through the parallel plates, the downward deflection due to electric field must equal the upward deflection due to the magnetic field. Suppose you want to design a velocity selector that will allow protons to pass through, undeflected, only if they have a speed of 500 m/s. The magnetic field is B=0.05 T. Calculate the electric field you need.
A velocity selector is a device that can choose the velocity of a charged particle moving through a region in which the electric field is perpendicular to the magnetic field, and both fields perpendicular to the initial velocity of the particle as shown in the figure. To make the charged particle travel straight through the parallel plates, the downward deflection due to electric field must equal the upward deflection due to the magnetic field. Suppose you want to design a velocity selector that will allow protons to pass through, undeflected, only if they have a speed of 500 m/s. The magnetic field is B=0.05 T. Calculate the electric field you need.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A velocity selector is a device that can choose the velocity of a charged particle moving through a region in which the electric field is perpendicular to the magnetic field, and both fields perpendicular to the initial velocity of the particle as shown in the figure. To make the charged particle travel straight through the parallel plates, the downward deflection due to electric field must equal the upward deflection due to the magnetic field. Suppose you want to design a velocity selector that will allow protons to pass through, undeflected, only if they have a speed of 500 m/s. The magnetic field is B=0.05 T. Calculate the electric field you need.
a
|
90 V/m
|
b
|
75 V/m
|
c
|
25 V/m
|
d
|
50 V/m
|
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