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Transcript
Chapter 34
What is the direction of
the net force on the
moving charge?
1. Into the page
2. Out of the page
3. Left
4. Right
5. Up and left at 45°
What is the direction of
the net force on the
moving charge?
1. Into the page
2. Out of the page
3. Left
4. Right
5. Up and left at 45°
Which diagram shows the
fields in frame S´?
1. a
2. b
3. c
4. d
5. e
Which diagram shows the
fields in frame S´?
1. a
2. b
3. c
4. d
5. e
The electric field in four identical capacitors is shown as
a function of time. Rank in order, from largest to
smallest, the magnetic field strength at the outer edge of
the capacitor at time T.
1.
2.
3.
4.
5.
Ba = Bb > Bc = Bd
Ba > Bb > Bc > Bd
Ba = Ba > Bc > Bd
Bc > Ba > Bd > Bb
Bd > Bc > Ba = Bb
The electric field in four identical capacitors is shown as
a function of time. Rank in order, from largest to
smallest, the magnetic field strength at the outer edge of
the capacitor at time T.
1.
2.
3.
4.
5.
Ba = Bb > Bc = Bd
Ba > Bb > Bc > Bd
Ba = Ba > Bc > Bd
Bc > Ba > Bd > Bb
Bd > Bc > Ba = Bb
An electromagnetic wave is
propagating in the positive
x-direction. At this instant of
time, what is the direction of
at the center of the rectangle?
1. In the positive x-direction
2. In the negative x-direction
3. In the positive y-direction
4. In the positive z-direction
5. In the negative z-direction
An electromagnetic wave is
propagating in the positive
x-direction. At this instant of
time, what is the direction of
at the center of the rectangle?
1. In the positive x-direction
2. In the negative x-direction
3. In the positive y-direction
4. In the positive z-direction
5. In the negative z-direction
An electromagnetic wave is
traveling in the positive
y-direction. The electric field
at one instant of time is
shown at one position. The
magnetic field at this
position points
1. In the positive x-direction.
2. In the negative x-direction.
3. In the positive y-direction.
4. In the negative y-direction.
5. Away from the origin.
An electromagnetic wave is
traveling in the positive
y-direction. The electric field
at one instant of time is
shown at one position. The
magnetic field at this
position points
1. In the positive x-direction.
2. In the negative x-direction.
3. In the positive y-direction.
4. In the negative y-direction.
5. Away from the origin.
The amplitude of the oscillating electric field at your cell
phone is 4.0 µV/m when you are 10 km east of the
broadcast antenna. What is the electric field amplitude
when you are 20 km east of the antenna?
1. 1.0 µV/m
2. 2.0 µV/m
3. 4.0 µV/m
4. There’s not enough information to tell.
The amplitude of the oscillating electric field at your cell
phone is 4.0 µV/m when you are 10 km east of the
broadcast antenna. What is the electric field amplitude
when you are 20 km east of the antenna?
1. 1.0 µV/m
2. 2.0 µV/m
3. 4.0 µV/m
4. There’s not enough information to tell.
Unpolarized light of equal
intensity is incident on four
pairs of polarizing filters.
Rank in order, from largest to
smallest, the intensities Ia to Id
transmitted through the
second polarizer of each pair.
1.
2.
3.
4.
5.
Ia = Id > Ib = Ic
Ib = Ic > Ia = Id
Ib = Ic > Ia > Id
Id > Ia > Ib > Ic
Id > Ia > Ib = Ic
Unpolarized light of equal
intensity is incident on four
pairs of polarizing filters.
Rank in order, from largest to
smallest, the intensities Ia to Id
transmitted through the
second polarizer of each pair.
1.
2.
3.
4.
5.
Ia = Id > Ib = Ic
Ib = Ic > Ia = Id
Ib = Ic > Ia > Id
Id > Ia > Ib > Ic
Id > Ia > Ib = Ic
Chapter 34
Reading Quiz
Maxwell’s equations are a set of how many equations?
1. Two
2. Three
3. Four
4. Five
5. Six
Maxwell’s equations are a set of how many equations?
1. Two
2. Three
3. Four
4. Five
5. Six
Maxwell introduced the displacement current as a correction to
1. Coulomb’s law.
2. Gauss’s law.
3. Biot-Savart’s law.
4. Ampère’s law.
5. Faraday’s law.
Maxwell introduced the displacement current as a correction to
1. Coulomb’s law.
2. Gauss’s law.
3. Biot-Savart’s law.
4. Ampère’s law.
5. Faraday’s law.
The law that characterizes polarizers is called
1. Malus’s law.
2. Maxwell’s law.
3. Poynting’s law.
4. Lorentz’s law.
The law that characterizes polarizers is called
1. Malus’s law.
2. Maxwell’s law.
3. Poynting’s law.
4. Lorentz’s law.
Experimenter A creates a magnetic field in the laboratory.
Experimenter B moves relative to A. Experimenter B sees
1. just the same magnetic field.
2. a magnetic field of different strength.
3. a magnetic field pointing the opposite direction.
4. just an electric field.
5. both a magnetic and an electric field.
Experimenter A creates a magnetic field in the laboratory.
Experimenter B moves relative to A. Experimenter B sees
1. just the same magnetic field.
2. a magnetic field of different strength.
3. a magnetic field pointing the opposite direction.
4. just an electric field.
5. both a magnetic and an electric field.