Magnetism Flashcard

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

Do electromagnets require a power source?

Back

Yes, electromagnets need a power source to generate a magnetic field.

Front

What happens when like poles of magnets are aligned?

Back

They repel each other.

Front

How many poles do all magnets have?

Back

All magnets have two poles: a north pole and a south pole.

Front

What happens when a magnet is broken in half?

Back

Each half gains a new pole, becoming a separate magnet.

Front

What can the force between magnets do?

Back

The force between magnets can either push them apart or pull them together.

Front

What are the two types of magnetic poles?

Back

The two types of magnetic poles are north and south.

Front

What is the magnetic field?

Back

The magnetic field is the area around a magnet where magnetic forces can be felt.

Front

What materials are attracted to magnets?

Back

Materials like iron, nickel, and cobalt are attracted to magnets.

Front

What is the principle of magnetism?

Back

The principle of magnetism states that opposite poles attract and like poles repel.