3AB:Understanding Basic Circuit Components

Front

Why is electrical wiring usually made from copper?

Back

Because copper conducts electricity.

Front

Silver is a _____?

Back

conductor.

Front

What is the function of the switch in a circuit?

Back

To turn on and off the flow of electricity.

Front

Which of the following can supply energy in a circuit?

Back

A battery.

Front

A path along which electricity can flow is a ------?

Back

Circuit.

Front

What is a conductor?

Back

A material that allows electricity to flow through it easily.

Front

What is an insulator?

Back

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

Front

What is the role of a battery in a circuit?

Back

To supply energy.

Front

What happens when a switch is closed in a circuit?

Back

The flow of electricity is allowed to pass.

Front

What happens when a switch is open in a circuit?

Back

The flow of electricity is interrupted.