PS Unit 9 Flashcards

Front

Electricity

Back

A form of energy caused by the movement of electrons.

Front

Electrical charge

Back

A property of matter that tells whether something has a positive or negative charge.

Front

Current

Back

A flow of electric charge.

Front

Alternating Current

Back

A flow of electric charge that regularly reverses its direction.

Front

Direct current

Back

An electric current flowing in one direction only.

Front

Circuit

Back

A path for an electrical current to flow around.

Front

Parallel Circuits

Back

Contain two or more branches for current to move through.

Front

Series Circuits

Back

A current that has only one path.

Front

Voltage

Back

The 'push' in an electric current - an electromotive force or potential difference expressed in volts.

Front

Resistance

Back

A material's opposition to the flow of electric current.