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Re: Simple Question
No, because the interactions of the electrical fields--that do the work that generate the electricity--create "friction" to put it colloquially, so eventually it will slow down. You'll probably need a phyiscal mechanism to keep the electromagnet parts close enough to eachother--they'll try to push eachother away--and that mechanism (whether physical with ball bearings, or yet another electromagnet) will also create friction, and thus it will eventually stop without further input from outside the system.
There is no naked lunch,
Buffy
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