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RWebb
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Join Date: Jul 2007
Location: Greater Metropolitan Nimrod, Orygun
Posts: 55,993
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usually, you can think of electricity like a water hose

voltage is like (~~) pressure

current flow (amps) ~~ flow rate

and resistance is present also - it cuts down on the flow (current) downstream

if there are 2 paths, then the electricity will flow down both of them ("parallel") and the amt. of current in each path will be set by the resistance

current will flow thru each thing on the same path (series)

first exception to the analogy is that the "water" has to have a ground to get "back" - the entire chassis (body) of your car is the ground (gnd); it looks like a bunch of little crosshatches on a vertical line in the schematic
Old 10-15-2010, 12:19 PM
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