Magnetism

Front

What is the source of all magnetism?

Back

Moving electric charge.

Front

What is a major difference between electric charges and magnetic poles?

Back

Electric charges can exist on their own.

Front

What happens when a north pole of a magnet is brought near a south pole?

Back

They will attract.

Front

What is a magnetic domain?

Back

A cluster of aligned atoms.

Front

What is a magnetic field?

Back

A force field.

Front

What materials are typically ferromagnetic?

Back

Iron, nickel, and cobalt.

Front

What is the right-hand rule in magnetism?

Back

A method to determine the direction of magnetic force.

Front

What is the relationship between electricity and magnetism?

Back

Electricity can create a magnetic field, and a changing magnetic field can induce an electric current.

Front

What is a permanent magnet?

Back

A magnet that maintains its magnetic properties without external influence.

Front

What is an electromagnet?

Back

A magnet created by electric current flowing through a coil of wire.