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# Sci Ch.9 '14

### Circuits are cool

TermDefinition
electrical power Rate at which electrical energy is converted to another form of energy; expressed in watts, W.
joule A measure of work or energy. One joule of energy produces one watt of power for one second.
junction point the location where a circuit divides into multiple paths or where multiple paths combine.
kilowatt-hour A unit of electric energy equal to the work done by one kilowatt acting for one hour.
parallel circuit A closed electrical circuit in which the current is divided into two or more paths and then returns via a common path to complete the circuit.
power (physics) the rate of doing work
power rating a measurement of how much electrical energy an electrical device consumes for every second it is in use.
series circuit A circuit in which all parts are connected end to end to provide a single path of current.
watt A measure of power equal to one joule of work per second.
Created by: mddai
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