NS2-M3C20 - Basic Electricity Quiz 59

Under most conditions, what charge will an atom carry?

• negative

• positive

• It will not carry a charge

• Both A & B

What is the charge for each of the following? - neutron - proton - electron

• neutron: negative; proton: positive; electron: none

• neutron: negative; proton: none; electron: positive

• neutron: none; proton: positive; electron: negative

Why does a balloon stick to the wall after it is rubbed on carpet?

• It picks up extra electrons from the carpet; it is then attracted to the positive charges in the wall.

• It picks up extra electrons from the carpet; it is then attracted to the negative charges in the wall.

• It picks up extra protons from the carpet; it is then attracted to the negative charges in the wall.

Which of the following would be an insulator? (Input all that apply, then push the ENTER button.)

• metal

• water

• glass

• rubber

When heating two unlike metals to produce voltage, what determines the amount created?

• The difference in temperature of the two metals.

• The total length of the metal.

• The number of protons in the conductor.

One or more cells assembled in a common container to act as a source of electrical power

• Battery

• Dry cell

• Fuel cell

• Wet cell

Involving, relating to, or using any of various electrical effects due to the interaction of radiation with matter

• Photoelectric

• Battery

• Photo cell

• Thermocouple

Which of the following materials offers no resistance to electric current flow?

• Wood

• Silver

• Water

• They all offer resistance

Read the following sentence and decide which of the options (A-D) is correct. There are several factors that affect the amount of electricity flow. For example, the longer a wire is the higher its resistance, or the hotter a wire is the lower its resistance.

• Change “lower” to “higher”

• Change “hotter” to “wider”

• Change “higher” to “lower”

• The statement is correct as is.

A material's opposition to the flow of electric current

• Resistance

• Battery

• Voltage