Electricity Quiz MOD

What are electrons?

• Positively charged subatomic particles

• Negatively charged subatomic particles

Which word best describes electricity as it occurs in nature?

• orderly

• sudden

Why is static electricity not useful as a power source?

• Because static electricity is not a real form of electricity

• Because all energy is released at once in static electricity

What is current?

• A steady flow of electrons

• A short burst of electricity

What is the function of a power source in a circuit?

• It provides a steady source of static electricity

• It provides a steady flow of electrons

How does rubber differ from most metals?

• Rubber is a good conductor, most metals are good insulators

• Rubber is a good insulator; most metals are good conductors.

What might happen if wires weren't insulated?

• The power source would no longer provide a flow of electrons.

• We'd be in danger of harm from electric shocks

Which of the following is an example of a load?

• 
• 

How does alternating current differ from direct current?

• Alternating current produces more voltage than direct current

• Direct current always flows in the same direction; the direction of an alternating current switches back and forth

How does electricity travel from power plants to your house?

• Through transmission wires

• Through a series of generators