Electromagnetic Forces 1

Front

What is an insulator?

Back

A material in which electrons are not able to move easily.

Front

What happens when a needle is rubbed on a magnet?

Back

The needle becomes a magnet.

Front

What is magnetism?

Back

The ability of some materials to attract certain metals.

Front

What is a generator?

Back

A system where a magnet can move in a coil of wire to produce electricity.

Front

What does an electric generator do?

Back

It converts mechanical energy into electrical energy.

Front

What is a conductor?

Back

A material that allows electrons to move easily.

Front

What is resistance in electrical terms?

Back

The opposition to the flow of electric current.

Front

What is electromagnetism?

Back

The interaction of electric currents or fields and magnetic fields.

Front

What is an electric motor?

Back

A device that converts electrical energy into mechanical energy.

Front

What is the principle of electromagnetic induction?

Back

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