2.  What is the term for electricity at rest?

3.  For a neutral atom, the amount of electrons equals…

4.  Like charges…

5.  Chemical bonds in a molecule are what in nature?

6. Problem  If a bolt of lightning carries 40.0 C of charge and hits a tree after passing through a potential difference of 20,000 V, how much energy is then lost by the cloud to the tree?

7.  The nucleus in an atom has what kind of charge?

8.  Charge of an electron?

9.  What is the E field inside a conductor?

10.  This states that electrons are transferred from one material to another, not lost.

11. Problem  Two charged spheres are on a friction-less horizontal surface. One has a charge of +3.0 x 10 -6 C, the other a +6.0 x 10 -6 C charge. What is the force felt if they are 0.35 meters apart?

12.  More electrons than protons, an object has what kind of charge?

13.  If you get a negative force as a result of coulomb’s law, that means the charges are…

14.  You can charge by contact and…

15. Problem  If there is an electric field of 1200 N/C next to an Van de Graff generator, and you are standing nearby and notice a potential difference of 115 V, how far are you away from the generator?

16.  What does it mean to charge by induction?

17.  Grounding something allows what to leave the object?

18.  What happens during a thunderstorm?

19. Problem  How much charge does a particle have that experiences a force of 1.0 x 10 -8 N at a point where the electric field intensity is 0.00020 N/C?

20.  A semiconductor is not a good conductor or…

21.  What happens when an object is electrically polarized?

22.  What do we call molecules that are polarized?

23.  When forces exist, what else must exist?

24.  Does the electric field around a positive charge travel towards or away from the charge?

25. Problem  A fly accumulates 3.0 x 10-10 C of positive charge as it flies through the air. What is the magnitude and direction of the electric field at a location 2.0 cm away from the fly?

26.  What is the energy in relation to the location of a charge in an E field?

27. Problem  If the electric field around a Van de Graff generator is 3 x 10 4 V/m, and a shock is sent to Will as he stands 0.15 meters away, what is the potential difference between will and the generator?

28.  A balloon can have a large voltage, but accumulates little what?

29.  A capacitor is an object that is used to what?

30.  When a capacitor is fully charged, is there a net charge?

31. Problem  A negative charge of 2.0 x 10 -4 C and a positive charge of 8.0 x 10 -4 C are separated by 0.30 m. What is the magnitude of the force between the charges?

32. Problem  While getting out of a car, Victor builds up a charge on his body as he slides across the seat. When he shuts the door, his hand discharges 12,000 V through a uniform electric field of 3.0 x 10 6 V/m. How far is his hand from the door?