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whacky · 03-02-2003, 12:02 PM

Hello all, got a physics paper tomorrow and cant seem to answer the question that why do people use 110volt power supply in some countries and 220(or 240) volt power supply in others [img]redface.gif[/img]

03-02-2003, 12:02 PM	#1
whacky Emerald Dragon Join Date: July 16, 2002 Location: The Abyss Age: 37 Posts: 904	Hello all, got a physics paper tomorrow and cant seem to answer the question that why do people use 110volt power supply in some countries and 220(or 240) volt power supply in others [img]redface.gif[/img]