Saturday
March 28, 2015

Homework Help: Physics

Posted by Tristan on Sunday, May 16, 2010 at 10:48pm.

A "Bus" bar is in the form of a slab of copper 2meters long, 1cm wide, and 10 cm thick.
a) What is the resistance of the bar at 0 degrees celcius?
b) What potential difference is needed to push 5000 amps through the bar?

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