Physical Science Chapter 8 Vocabulary

Front

Alternating Current

Back

An electric current that reverses its direction at regularly recurring intervals.

Front

Direct Current

Back

An electric current flowing in one direction only.

Front

Electric Motor

Back

A device that converts electrical energy into mechanical energy.

Front

Electromagnet

Back

A type of magnet in which the magnetic field is produced by an electric current.

Front

Electromagnetic Induction

Back

The production of an electromotive force across a conductor when it is exposed to a varying magnetic field.

Front

Galvanometer

Back

An instrument for detecting and measuring small electric currents.

Front

Generator

Back

A device that converts mechanical energy into electrical energy.

Front

Magnetic Domain

Back

A region within a magnetic material in which the magnetization is in a uniform direction.

Front

Magnetic Pole

Back

One of the two ends of a magnet where the magnetic force is strongest.

Front

Magnetism

Back

The force exerted by magnets when they attract or repel each other.