How do electrical companies know when your house needs more energy?


when connect light bulb battery light bulb works @ full potential when connect more 1 light bulb in series brightness of each bulb drop (i think so).

when home , have plugged in tv pc , on running @ same time , if maser the voltage in every single socket still 220 volts. how possible? why not see or sense drop of power in devices bulb starts glow less brighter before?

hope understand me? if not please lock @ video , se when connects bulb
sound of alternator drops. http://www.youtube.com/watch?v=h41oenbugse

when connect light bulb battery light bulb works @ full potential when connect more 1 light bulb in series brightness of each bulb drop (i think so). when home , have plugged in tv pc , on running @ same time , if maser the voltage...


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