Magnetic Fields

Front

What is a magnetic field?

Back

The area of magnetic force around a magnet.

Front

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

Back

They repel each other.

Front

What happens when two opposite poles of a magnet are brought together?

Back

They attract each other.

Front

What is a compass used for?

Back

A compass is a device that has a magnet on a needle that spins freely, used for navigation.

Front

What is the direction of the magnetic field lines around a magnet?

Back

Magnetic field lines emerge from the north pole and enter the south pole.

Front

What is magnetic declination?

Back

The angle between magnetic north and true north.

Front

What is the effect of distance on magnetic force?

Back

The magnetic force decreases as the distance between two magnets increases.

Front

What is a ferromagnetic material?

Back

A material that can be magnetized, such as iron, nickel, or cobalt.

Front

What is the right-hand rule in magnetism?

Back

A method to determine the direction of the magnetic field around a current-carrying wire.

Front

What is an electromagnet?

Back

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