Circuits & Electromagnets

Front

What is an electrical circuit?

Back

A closed path where electricity flows.

Front

Electric currents produce _____________

Back

Magnetic fields.

Front

Can electromagnets be turned on and off?

Back

True.

Front

What is the main function of the light bulb in a circuit?

Back

To convert electrical energy to light energy.

Front

In order to magnetize an object for electromagnetism, it needs to have iron or steel (ex. a rod or nail).

Back

True.

Front

What is the definition of an electromagnet?

Back

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

Front

What materials are typically used to create an electromagnet?

Back

Iron or steel.

Front

What happens to the magnetic field when the electric current is turned off in an electromagnet?

Back

The magnetic field disappears.

Front

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

Back

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

Front

What is resistance in an electrical circuit?

Back

The opposition to the flow of electric current.