1. Chapter 26

2. At the position of the dot, the electric field points
1. Left.
2. Down.
3. Right.
4. Up.
5. The electric field is zero.
STT26.1

3. At the position of the dot, the electric field points
1. Left.
2. Down.
3. Right.
4. Up.
5. The electric field is zero.
STT26.1

4. A piece of plastic is uniformly charged with surface charge density 1
A piece of plastic is uniformly charged with surface charge density 1. The plastic is then broken into a large piece with surface charge density 2 and a small piece with surface charge density 3. Rank in order, from largest to smallest, the surface charge densities 1 to 3.
1P > η2 > η3
2. η1 > η2 = η3
3. η1 = η2 = η3
4. η2 = η3 > η1
5. η3 > η2 > η1
STT26.2

5. A piece of plastic is uniformly charged with surface charge density 1
A piece of plastic is uniformly charged with surface charge density 1. The plastic is then broken into a large piece with surface charge density 2 and a small piece with surface charge density 3. Rank in order, from largest to smallest, the surface charge densities 1 to 3.
1. η1 > η2 > η3
2. η1 > η2 = η3
3. η1 = η2 = η3
4. η2 = η3 > η1
5. η3 > η2 > η1
STT26.2

6. 1. Make the rod longer without changing the charge.
Which of the following actions will increase the electric field strength at the position of the dot?
1. Make the rod longer without changing the charge.
2. Make the rod shorter without changing the charge.
3. Make the rod fatter without changing the charge.
4. Make the rod narrower without changing the charge.
5. Remove charge from the rod.
STT26.3

7. 1. Make the rod longer without changing the charge.
Which of the following actions will increase the electric field strength at the position of the dot?
1. Make the rod longer without changing the charge.
2. Make the rod shorter without changing the charge.
3. Make the rod fatter without changing the charge.
4. Make the rod narrower without changing the charge.
5. Remove charge from the rod.
STT26.3

8. 2. Ea > Ec > Eb > Ee > Ed 3. Eb = Ec = Ed = Ee > Ea
Rank in order, from largest to smallest, the electric field strengths Ea to Ee at these five points near a plane of charge.
1. Ea = Eb = Ec = Ed = Ee
2. Ea > Ec > Eb > Ee > Ed
3. Eb = Ec = Ed = Ee > Ea
4. Ea > Eb = Ec > Ed = Ee
5. Ee > Ed > Ec > Eb > Ea
STT26.4

9. 2. Ea > Ec > Eb > Ee > Ed 3. Eb = Ec = Ed = Ee > Ea
Rank in order, from largest to smallest, the electric field strengths Ea to Ee at these five points near a plane of charge.
1. Ea = Eb = Ec = Ed = Ee
2. Ea > Ec > Eb > Ee > Ed
3. Eb = Ec = Ed = Ee > Ea
4. Ea > Eb = Ec > Ed = Ee
5. Ee > Ed > Ec > Eb > Ea
STT26.4

10. 2. Fa = Fb > Fc > Fd = Fe 3. Fa = Fb = Fd = Fe > Fc
Rank in order, from largest to smallest, the forces Fa to Fe a proton would experience if placed at points a – e in this parallel-plate capacitor.
1. Fa = Fb = Fc = Fd = Fe
2. Fa = Fb > Fc > Fd = Fe
3. Fa = Fb = Fd = Fe > Fc
4. Fe > Fd > Fc > Fb > Fa
5. Fe = Fd > Fc > Fa = Fb
STT26.5

11. 2. Fa = Fb > Fc > Fd = Fe 3. Fa = Fb = Fd = Fe > Fc
Rank in order, from largest to smallest, the forces Fa to Fe a proton would experience if placed at points a – e in this parallel-plate capacitor.
1. Fa = Fb = Fc = Fd = Fe
2. Fa = Fb > Fc > Fd = Fe
3. Fa = Fb = Fd = Fe > Fc
4. Fe > Fd > Fc > Fb > Fa
5. Fe = Fd > Fc > Fa = Fb
STT26.5

12. Which electric field is responsible for the trajectory of the proton?
STT26.6
(1) (2) (3) (4) (5)

13. Which electric field is responsible for the trajectory of the proton?
STT26.6
(1) (2)
(3)
(4) (5)

14. Chapter 26
Reading Quiz

15. 3. A parallel plate capacitor 4. A toroidal inductor
What device provides a practical way to produce a uniform electric field?
1. A long thin resistor
2. A Faraday cage
3. A parallel plate capacitor
4. A toroidal inductor
5. An electric field uniformizer
IG26.1

16. 3. A parallel plate capacitor 4. A toroidal inductor
What device provides a practical way to produce a uniform electric field?
1. A long thin resistor
2. A Faraday cage
3. A parallel plate capacitor
4. A toroidal inductor
5. An electric field uniformizer
IG26.1

17. For charged particles, what is the quantity q/m called?
1. Linear charge density
2. Charge-to-mass ratio
3. Charged mass density
4. Massive electric dipole
5. Quadrupole moment
IG26.2

18. For charged particles, what is the quantity q/m called?
1. Linear charge density
2. Charge-to-mass ratio
3. Charged mass density
4. Massive electric dipole
5. Quadrupole moment
IG26.2

19. 2. A parallel-plate capacitor 3. A ring of charge 4. A plane of charge
Which of these charge distributions did not have its electric field calculated in Chapter 26?
1. A line of charge
2. A parallel-plate capacitor
3. A ring of charge
4. A plane of charge
5. They were all calculated
IG26.3

20. 2. A parallel-plate capacitor 3. A ring of charge 4. A plane of charge
Which of these charge distributions did not have its electric field calculated in Chapter 26?
1. A line of charge
2. A parallel-plate capacitor
3. A ring of charge
4. A plane of charge
5. They were all calculated
IG26.3

21. The worked examples of charged-particle motion are relevant to
1. a transistor.
2. a cathode ray tube.
3. magnetic resonance imaging.
4. cosmic rays.
5. lasers.
IG26.4

22. The worked examples of charged-particle motion are relevant to
1. a transistor.
2. a cathode ray tube.
3. magnetic resonance imaging.
4. cosmic rays.
5. lasers.
IG26.4