S25 Unit 9- Electricity Vocabulary

Front

Electric current that flows only in one direction.

Back

direct current

Front

An electric force that causes free electrons to move from one atom to another. Also known as potential difference.

Back

voltage

Front

Circuit in which electric current has only one path to follow.

Back

series

Front

A physical phenomenon that can produce light, heat and power.

Back

electricity

Front

Tendency for a material to oppose electron flow and change electrical energy into thermal energy and light. Measured in Ohms (Ω)

Back

resistance

Front

Electric current that reverses its direction of flow in a regular pattern.

Back

alternating current

Front

States that the current in a circuit equals the voltage difference divided by the resistance.

Back

Ohm's Law

Front

The net movement of electric charges in a single direction. A rate measured in Amperes (A).

Back

current

Front

Circuit in which electric current has more than one path to follow.

Back

parallel

Front

A circuit with an opening in the pathway; current cannot flow

Back

Open circuit