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November 23, 2014

Homework Help: Physics

Posted by Kudo on Friday, February 24, 2012 at 9:22pm.

Calculate the resistance per unit length of a nichrome wire, which has a radius of 0.436 mm. The resistivity of nichrome is 1.510−6 Ωm.
Answer in units of Ω/m




If a potential difference of 20 V is maintained across a 3.7 m length of the nichrome wire, what is the current in the wire?
Answer in units of A

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