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April 24, 2014

Homework Help: Physics

Posted by June on Monday, February 7, 2011 at 6:57pm.

A wire 3.00 m long and .450 mm2 in cross-sectional area has a resistance of 41.0Ω at 20 degrees C. If its resistance increases to 41.4Ω at 29.0 C, what is the temperature coefficient of resistivity?

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