Neutral objects are attracted because their charges are separated by induction. are called electrons have equal numbers of + and - and are said to be neutral Volts is short for Joules per coulomb Watts is short for Joules per Second is less bright than one bulb on its own is as bright as one bulb on its own 230 Volts 50Hz AC  is a thin wire that blows when the current is too large Earth wire is connected to the case Click here Amps is short for coulombs per second Current flows through conductors, does not flow through insulators. AC alternates back and forth
DC only flows in one direction