 What is the term for electricity at rest?

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

 Like charges…

 Chemical bonds in a molecule are what in nature?

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?

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

 Charge of an electron?

 What is the E field inside a conductor?

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

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

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

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

 You can charge by contact and…

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?

 What does it mean to charge by induction?

 Grounding something allows what to leave the object?

 What happens during a thunderstorm?

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

 A semiconductor is not a good conductor or…

 What happens when an object is electrically polarized?

 What do we call molecules that are polarized?

 When forces exist, what else must exist?

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

Problem  A fly accumulates 3.0 x 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?

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

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?

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

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

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

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

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?