Electromagnets and Magnetism

Front

What happens when like poles of a magnet are brought together?

Back

They repel each other.

Front

How can you make an electromagnet stronger?

Back

By adding more wire coils and/or batteries.

Front

What is a material that attracts iron or materials containing iron called?

Back

A magnet.

Front

What happens when unlike poles of a magnet are brought together?

Back

They attract each other.

Front

What is an electromagnet?

Back

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

Front

What are the two types of magnetic poles?

Back

North and South poles.

Front

What is the force called that pulls magnetic materials toward a magnet?

Back

Magnetic force.

Front

What is a solenoid?

Back

A coil of wire that produces a magnetic field when carrying an electric current.

Front

What is the difference between a magnet and an electromagnet?

Back

A magnet is always magnetic, while an electromagnet is only magnetic when electric current flows through it.

Front

What is the role of batteries in an electromagnet?

Back

Batteries provide the electric current needed to create the magnetic field.