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April 24, 2014

Homework Help: physics

Posted by Anonymous on Wednesday, January 19, 2011 at 11:01am.

The filament in an incandescent light bulb is made from tungsten. The light bulb is plugged into a 240 V outlet and draws a current of 1.16 A. If the radius of the tungsten wire is 0.0052 mm, how long must the wire be?

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