Magnetic Fields & Forces

Front

What causes magnetism?

Back

Moving charges.

Front

Magnetism is generated by moving __________.

Back

Electrons.

Front

What are the groups of atoms which can align to create a magnet called?

Back

Domains.

Front

What happens when a bar magnet is moved in and out of a coil of copper wire?

Back

Electric current will flow through the wire.

Front

What is the direction of the magnetic field around a current-carrying wire?

Back

It forms concentric circles around the wire.

Front

What is the right-hand rule in magnetism?

Back

If you point your thumb in the direction of the current, your fingers curl in the direction of the magnetic field.

Front

What is a magnetic field?

Back

A region around a magnet where magnetic forces can be detected.

Front

What is the unit of magnetic field strength?

Back

Tesla (T).

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 electromagnetic induction?

Back

The process of generating electric current from a changing magnetic field.