1. Take out Reference Table, Note packet, Blank Sheet of Paper
Review
Take out Reference Table, Note packet, Blank Sheet of Paper

2. Conduction Induction Polarization

3. Conduction/Conservation of Charge-5 -3 -4 -4 -2
-18 14 -2

7. k= 8.99 x 109 N●m2/C2
Key Words: Force, (2) charges (could be elementary, electron, proton), distance, meters

8. Electric Force
Charge
Separation OR

9. Electric Field
Key Words: Electric Field, Force, one charge (electron, proton, elementary charge)

10. Drawing Electric Fields

11. Key Words: Volts, Potential Difference, Work, Energy, Joules, Charge
Units – J/C = Volt (V)
Key Words: Volts, Potential Difference, Work, Energy, Joules, Charge

12. electron
neutron
proton
Electric Field goes from positive to negative

13. A conducting sphere has a net charge of -4. 8E-17C
A conducting sphere has a net charge of -4.8E-17C. What is the approximate number of excess electrons on the sphere?
300

14. A charge Q exerts a 12N force on another charge q
A charge Q exerts a 12N force on another charge q. If the distance between the charges is double, what is the magnitude of the force exerted on Q by q? 3N

15. At what separation will two charges, each of magnitude, 6 µC, exert a force of 1.4N on each other?

16. Electrical charge interaction can be summarized by: a
Electrical charge interaction can be summarized by: a. - charge repels other - charge. b. + charge repels other + charge. c. - charge and + charge attract each other. d. All of these. e. None of these. d

17. An electric field line must be?
Parallel
Perpendicular
0 degrees
Tangent
None of the above b

18. A rubber rod is rubbed by animal fur
A rubber rod is rubbed by animal fur. If the fur donates 40 electrons to the rod, how many excess electrons does the rod have? How many electrons did the animal fur lose? What is the net charge on the animal fur?
40 40(1.6E-19) = 6.4E-18C

19. Is it possible to have a charge of 1.8E-17C?
No because you get excess elementary charges

20. In an electric field like so does the amount of force change in between the two plates?

21. A charge of +3.0 × 10-7 C experiences a force of 4.2 N when located 3.5 cm away from the charge in the electric field. What is the electric field strength at that point?
1.4E7N/C