| A | B |
|---|
| electric current | a flow of charged particles |
| battery | device that converts chemical energy to electric energy |
| electric potential difference | The difference in voltage between two points |
| electric curcuit | a closed loop |
| watt | unit of power |
| ampere | unit of current |
| resistance | the property that determines how much current will flow |
| resistors | devices that are designed to have a specific resistance |
| schematic | uses symbols for the components of a circuit |
| series circuit | has only one path |
| parallel circuit | has more than one path |
| kilowatt-hour | 1000 watts delivered continuously for one hour |
| electric power formula | votage x current |
| resistance of a device | voltage divided by current |
| DC | direct current; current flows only one direction |
| AC | alternating current; current that repeatedly reverses direction |
| ohm | unit of resistance |
