Physics Final (3a): ELECTRICITY

Question 1

Electric Charge

Answer 1

an electric property of matter, either positive or negative

Question 2

Electron

Answer 2

one of the fundamental particles found in nature, has a NEGATIVE charge

Question 3

Proton

Answer 3

elementary particle found in the nucleus of an atom, has a POSITIVE charge

Question 4

Neutron

Answer 4

elementary particle found in the nucleus, has ZERO charge

Question 5

Charge Transfer

Answer 5

charge is usually transferred because electrons move from one place to another

Question 6

Conductor

Answer 6

a material that allows electrons to flow freely

Question 7

Insulator

Answer 7

a mterial that does not allow electrons to flow freely

Question 8

Electric Force (Coulomb’s Law)

Answer 8

the force between two charged objects, could be attractive or repulsive

Question 9

Polarization

Answer 9

charges are rearranged so that there is a net charge separation

Question 10

Electric Field

Answer 10

the area around a charge that is “felt by” or applies a force to other nearby charges