Electromagnets 1 (Activate Y7) - Glossary Flashcard

Front

Ammeter

Back

A device for measuring electric current in a circuit.

Front

Amps

Back

Units of measurement of electric current, symbol A.

Front

Atoms

Back

A tiny particle containing protons and neutrons in a nucleus, and electrons.

Front

Attract

Back

Be pulled together, for example, opposite poles of a magnet attract and positive and negative charges attract.

Front

Battery

Back

Two or more electrical cells joined together.

Front

Cell

Back

A chemical store of energy, which provides the push that moves charges around a circuit.

Front

Charged Up –

Back

When materials are rubbed together, electrons move from one surface to the other.

Front

Current

Back

Flow of electric charge, usually electrons, in amperes (A).

Front

Electrical Conductor

Back

A material that allows current to flow through it easily, and has a low resistance.

Front

Electrical Insulator

Back

A material that does not allow current to flow easily, and has a high resistance.