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September 2, 2015

Homework Help: Physics

Posted by Aj on Wednesday, October 31, 2012 at 6:35pm.

A wire with a circular cross section and a resistance R is lengthened to 3.77 times its original length by pulling it through a small hole. After being pulled through the hole, the total volume of the wire is unchanged.
Find the resistance of the wire after it is stretched. Answer in units of R.

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