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April 20, 2014

Homework Help: Physics

Posted by jenish on Thursday, March 6, 2008 at 7:03pm.

Iceland uses a voltage of 220v instead of of the US 110v. So you fly to Iceland with a box of bulbs ,that has been assorted with 30, 60 and 90 Watt light bulbs.U connect it through icelandic electrical socket. The fact that u 'll actually be using AC current will affect neither the equation used nor your answer.
HINT: The light bulbs filaments' length , area, and resistivity do not change when connected to the generator.

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