1. Electricity Notes 5 Electric Power – the rate at which _______________________ the rate at which _____________________ is converted into another form of energy (__________,___________,____) Work is done electric energy lightheat Etc.

2. Electrical Power electrical power = __________ x ____________ electrical power = (___________ ) x (______________) P= __________ 1 Watt = __________________ Kilowatt-hour = amount of energy consumed in _________________________________ current voltage # of electrons Force to move e- I x V 1 amp x 1 volt 1 hour at the rate of 1 kilowatt

3. Safety Overload – __________________________________ _____________________________________________ Short Circuit – _______________________________ _____________________________________________ Fuse – _____________________________________ _____________________________________________ Circuit Breakers – ____________________________ _____________________________________________ Lines that carry more than a safe amount of current could melt & start a fire. Caused by a fault (break) in the wires insulation. (cause fire) Wire that melts and breaks a circuit if too much current is flowing. (protects house) Switch that opens a circuit if too much current is flowing. (magnetic; protects house)