Question

1. In practice, a good insulator

Select one:

a. stops heat flow.

b. slows heat flow.

c. speeds negative heat flow.

d. all of the above

2.

Electric shielding within a conductor is a consequence of

Select one:

a. the balancing of opposing forces.

b. both the attraction and repelling nature of electricity.

c. cancellation of electric field lines.

d. all of the above

e. none of the above

3.

The number of protons in a neutral atom is balanced by an equal number of

Select one:

a. electron shells that surround the nucleus.

b. neutrons in the nucleus.

c. orbital electrons.

d. none of the above

Answer 1