what speed does electrcity travel at down wires?

theo said:
I never covered it in gcse either, only a level which was about a year ago now.

My teacher said the electrons travel at a silly slow speed of something like 6mm per hour i think, bet on it being wrong though

edit: The wiki article corrects it by saying it's in the reigon of mm per second, are you sure the op isn't not talking about data being sent down wires though... which that same wiki article also explains :) i love wikipedia
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According to google, at 1a, 0.002cm/s, unless my example at college was silly high ampage thats probably what I was thinking of :) I remembered the 2 anyway :p
 
if a digital signal is a pulse of electricity (current), surely it would need to travel quite quickly if you were sending say a 100MBit data signal.
 
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