Which of the following statements is TRUE? a. The magnetic flux is zero for any closed three-dimensional body due to the existence of magnetic monopoles. b. The magnetic flux is non-zero for any closed three-dimensional body due to the non-existence of magnetic monopoles. c. Magnetic field lines intersect and have corresponding sources and sinks; the magnetic flux denotes the number of magnetic field lines crossing a surface. d. Magnetic field lines do not intersect and do not have corresponding sources and sinks; the magnetic flux denotes the number of magnetic field lines crossing a surface.

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Chapter29: Magnetic Fields
Section: Chapter Questions
Problem 29.12OQ
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Which of the following statements is TRUE?
a. The magnetic flux is zero for any closed three-dimensional body due to the
existence of magnetic monopoles.
b. The magnetic flux is non-zero for any closed three-dimensional body due to
the non-existence of magnetic monopoles.
c. Magnetic field lines intersect and have corresponding sources and sinks; the
magnetic flux denotes the number of magnetic field lines crossing a surface.
d. Magnetic field lines do not intersect and do not have corresponding sources
and sinks; the magnetic flux denotes the number of magnetic field lines
crossing a surface.
A beam of electrons (of charge q.
and mass m ) is shot into a region of uniform magnetic field with a speed of 50 m/s.
т
They exit the region of uniform magnetic field opposite the direction they had
entered. How strong must the magnetic field be such that each electron stayed in the
region for a total of 10 ms?
m
m
a. 0.314e
314
с.
т
m
b. 0. 628-
d. 628
9.
e
Transcribed Image Text:Which of the following statements is TRUE? a. The magnetic flux is zero for any closed three-dimensional body due to the existence of magnetic monopoles. b. The magnetic flux is non-zero for any closed three-dimensional body due to the non-existence of magnetic monopoles. c. Magnetic field lines intersect and have corresponding sources and sinks; the magnetic flux denotes the number of magnetic field lines crossing a surface. d. Magnetic field lines do not intersect and do not have corresponding sources and sinks; the magnetic flux denotes the number of magnetic field lines crossing a surface. A beam of electrons (of charge q. and mass m ) is shot into a region of uniform magnetic field with a speed of 50 m/s. т They exit the region of uniform magnetic field opposite the direction they had entered. How strong must the magnetic field be such that each electron stayed in the region for a total of 10 ms? m m a. 0.314e 314 с. т m b. 0. 628- d. 628 9. e
In which of the following systems does Ampere's law
apply? Consider that a constant total current I flows through each wire. The Amperian
loops are colored red.
IV.
II.
III.
a. Only I.
b. Only I. and II.
c. Only I., II., and IV.
d. Ampere's law applies to all systems
Transcribed Image Text:In which of the following systems does Ampere's law apply? Consider that a constant total current I flows through each wire. The Amperian loops are colored red. IV. II. III. a. Only I. b. Only I. and II. c. Only I., II., and IV. d. Ampere's law applies to all systems
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