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° STT34.1
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° STT34.1
Which diagram shows the fields in frame S´? 2. b 3. c 4. d 5. e STT34.2
Which diagram shows the fields in frame S´? 2. b 3. c 4. d 5. e STT34.2
2. Ba > Bb > Bc > Bd 3. Ba = Ba > Bc > Bd 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. Ba = Bb > Bc = Bd 2. Ba > Bb > Bc > Bd 3. Ba = Ba > Bc > Bd 4. Bc > Ba > Bd > Bb 5. Bd > Bc > Ba = Bb STT34.3
2. Ba > Bb > Bc > Bd 3. Ba = Ba > Bc > Bd 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. Ba = Bb > Bc = Bd 2. Ba > Bb > Bc > Bd 3. Ba = Ba > Bc > Bd 4. Bc > Ba > Bd > Bb 5. Bd > Bc > Ba = Bb STT34.3
1. In the positive x-direction 2. In the negative x-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 STT34.4
1. In the positive x-direction 2. In the negative x-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 STT34.4
1. In the positive x-direction. 2. In the negative x-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. STT34.5
1. In the positive x-direction. 2. In the negative x-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. STT34.5
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. STT34.6
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. STT34.6
4. Id > Ia > Ib > Ic 5. 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. Ia = Id > Ib = Ic 2. Ib = Ic > Ia = Id 3. Ib = Ic > Ia > Id 4. Id > Ia > Ib > Ic 5. Id > Ia > Ib = Ic STT34.7
4. Id > Ia > Ib > Ic 5. 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. Ia = Id > Ib = Ic 2. Ib = Ic > Ia = Id 3. Ib = Ic > Ia > Id 4. Id > Ia > Ib > Ic 5. Id > Ia > Ib = Ic STT34.7
Chapter 34 Reading Quiz
Maxwell’s equations are a set of how many equations? 1. Two 2. Three 3. Four 4. Five 5. Six IG34.1
Maxwell’s equations are a set of how many equations? 1. Two 2. Three 3. Four 4. Five 5. Six IG34.1
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. IG34.2
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. IG34.2
The law that characterizes polarizers is called Malus’s law. Maxwell’s law. 3. Poynting’s law. 4. Lorentz’s law. IG34.3
The law that characterizes polarizers is called 1. Malus’s law. 2. Maxwell’s law. 3. Poynting’s law. 4. Lorentz’s law. IG34.3
1. just the same magnetic 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. IG34.4
1. just the same magnetic 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. IG34.4