Front

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

Back

A switch controls the flow of electricity by opening or closing the circuit.

Front

How can the strength of an electromagnet be increased?

Back

The strength of an electromagnet can be increased by adding more coils of wire around the core.

Front

What is a common conductor that can be used to complete a circuit?

Back

A penny is a common conductor that can be used to complete a circuit.

Front

What is an electromagnet?

Back

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.

Front

What is the difference between a conductor and an insulator?

Back

A conductor allows electricity to flow through it easily, while an insulator resists the flow of electricity.

Front

Can you name a common insulator?

Back

Rubber is a common insulator used to prevent the flow of electricity.

Front

What happens when a circuit is open?

Back

When a circuit is open, the flow of electricity is interrupted, and devices connected to the circuit do not operate.

Front

What is the purpose of a circuit?

Back

The purpose of a circuit is to provide a path for electric current to flow and power electrical devices.

Front

What materials are typically used as conductors?

Back

Materials like copper and aluminum are typically used as conductors due to their low resistance.

Front

What is the function of a battery in a circuit?

Back

A battery provides the electrical energy needed to drive the current through the circuit.