College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Textbook Question
Chapter 31, Problem 6CQ
Consider Figure 31.3. If an electric field is substituted for the magnetic field with positive charge instead of the north pole and negative charge instead of the south pole, in which directions will the α, β, and γrays bend?
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A beam of protons is directed in a straight line along the positive z-direction through a region of space in which there are
crossed electric and magnetic fields. If the electric field magnitude is E = 430 V/m in the negative y-direction and the
protons move at a constant speed of v = 8.7 x 10° m/s, what must the direction and magnitude of the magnetic field be in
order for the beam of protons to continue undeflected along its straight-line trajectory?
Select the direction of the magnetic field B.
O positive y-direction
O positive x-direction
negative z-direction
O negative y-direction
O positive z-direction
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magnitude of the magnetic field B:
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Q. 1. A square of side L meters lies in the x-y plane
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= B₁(21+3j+4k) Tesla, where Bo is constant.
The magnitude of flux passing through the square is:
(a) 2B L²Wb.
(b) 3B L²Wb.
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(d) √√29B L²Wb
Chapter 31 Solutions
College Physics
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