As seen in previous chapters, any object with electric charge, stationary or moving, other than the charged object that created the field, experiences a force in an electric field. Also, any object with electric charge, stationary or moving, can create an electric field (Chapter 22). Similarly, an elec- tric current or a moving electric charge, other than the cur- rent or charge that created the field, experiences a force in a magnetic field (Chapter 28), and an electric current creates a magnetic field (Section 29.1). (a) To understand how a moving charge can also create a magnetic field, consider a particle with charge q moving with velocity v. Define the position vector = rî leading from the particle to some location. Show that the magnetic field at that location is B Mo qv x î r2 (b) Find the magnitude of the magnetic field 1.00 mm to the side of a proton moving at 2.00 × 107 m/s. (c) Find the magnetic force on a second proton at this point, moving with the same speed in the opposite direction. (d) Find the electric force on the second proton.
As seen in previous chapters, any object with electric charge, stationary or moving, other than the charged object that created the field, experiences a force in an electric field. Also, any object with electric charge, stationary or moving, can create an electric field (Chapter 22). Similarly, an elec- tric current or a moving electric charge, other than the cur- rent or charge that created the field, experiences a force in a magnetic field (Chapter 28), and an electric current creates a magnetic field (Section 29.1). (a) To understand how a moving charge can also create a magnetic field, consider a particle with charge q moving with velocity v. Define the position vector = rî leading from the particle to some location. Show that the magnetic field at that location is B Mo qv x î r2 (b) Find the magnitude of the magnetic field 1.00 mm to the side of a proton moving at 2.00 × 107 m/s. (c) Find the magnetic force on a second proton at this point, moving with the same speed in the opposite direction. (d) Find the electric force on the second proton.
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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Transcribed Image Text:As seen in previous chapters, any object with electric charge,
stationary or moving, other than the charged object that
created the field, experiences a force in an electric field.
Also, any object with electric charge, stationary or moving,
can create an electric field (Chapter 22). Similarly, an elec-
tric current or a moving electric charge, other than the cur-
rent or charge that created the field, experiences a force in a
magnetic field (Chapter 28), and an electric current creates
a magnetic field (Section 29.1). (a) To understand how a
moving charge can also create a magnetic field, consider a
particle with charge q moving with velocity v. Define the
position vector = rî leading from the particle to some
location. Show that the magnetic field at that location is
B
Mo qv x î
r2
(b) Find the magnitude of the magnetic field 1.00 mm to
the side of a proton moving at 2.00 × 107 m/s. (c) Find the
magnetic force on a second proton at this point, moving
with the same speed in the opposite direction. (d) Find the
electric force on the second proton.
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