x x x x x > + + + quB Source +4 ДЕ a Figure P19.14 x x xi X x x

An Introduction to Physical Science
14th Edition
ISBN:9781305079137
Author:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Publisher:James Shipman, Jerry D. Wilson, Charles A. Higgins, Omar Torres
Chapter1: Measurement
Section: Chapter Questions
Problem 9MC
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Figure P19.14a is a diagram of a device called a velocity selector,
in which particles of a specific velocity pass through
undeflected while those with greater or lesser velocities are
deflected either upwards or downwards. An electric field is

directed perpendicular to a magnetic field, producing an
electric force and a magnetic force on the charged particle
that can be equal in magnitude and opposite in direction
(Fig. P19.14b) and hence cancel. Show that particles with
a speed of v = E/B will pass through the velocity selector
undeflected.

x x x x x >
+ + +
quB
Source
+4
ДЕ
a
Figure P19.14
x
x xi
X x x
Transcribed Image Text:x x x x x > + + + quB Source +4 ДЕ a Figure P19.14 x x xi X x x
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