SOL 5.4 Electricity Review

Front

The flow of energy as a current is called ________________.

Back

electricity

Front

To increase the strength of an electromagnet, you would ____________________ the number of coils around the nail.

Back

increase

Front

You will have a stronger electromagnet if you wrap which material around the iron nail?

Back

copper wire

Front

When using a lamp, electrical energy is transformed into _________________ energy.

Back

radiant

Front

Materials that allow electricity to easily flow through them are _______________________.

Back

conductors

Front

What is an electromagnet?

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

What is the role of a conductor in an electrical circuit?

Back

To allow the flow of electric current.

Front

What is an insulator?

Back

A material that does not allow electricity to flow through it easily.

Front

What happens to the strength of an electromagnet if you decrease the number of coils?

Back

The strength of the electromagnet decreases.

Front

What is the purpose of a switch in an electrical circuit?

Back

To open or close the circuit, controlling the flow of electricity.