Magnetism

Front

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

Back

Electric charges can exist on their own.

Front

What is a magnetic field?

Back

A force field

Front

What is the source of a magnetic field?

Back

Moving electric charge

Front

Why are not all atoms tiny magnets?

Back

Because, the spins must be in the same direction.

Front

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

Back

They will attract.

Front

A magnetic domain is

Back

a cluster of aligned atoms

Front

What do you need to make an electromagnet?

Back

A battery, a coil of wire, and a nail.

Front

What is the source of all magnetism?

Back

moving electric charge

Front

The shape of the magnetic field in a current carrying wire is?

Back

concentric circles

Front

What happens if you break a bar magnet in half?

Back

You will have two complete magnets.