Topic 7 Vocabulary Flashcards

Front

Electric power

Back

The rate at which electrical energy is used to do work; expressed in watts (W).

Front

Poles

Back

The parts of a magnet where the magnetic effects are strongest.

Front

Circuit

Back

A complete, closed path through which electric charges flow.

Front

Insulator

Back

A material that does not conduct heat well.

Front

Battery

Back

A device that is made of several cells and that produces an electric current by converting chemical energy into electrical energy.

Front

Photocell

Back

The part of a solar panel that converts light into electrical energy.

Front

Static electricity

Back

A buildup of charges on an object.

Front

Current

Back

A continuous flow of charge caused by the motion of electrons; the rate at which charge passes a given point; expressed in amperes (A).

Front

Conduction

Back

The transfer of thermal energy from one particle to another.

Front

Load

Back

A device that uses electrical energy to do work