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April 20, 2014

Homework Help: physics

Posted by Sejul on Thursday, April 28, 2011 at 10:57pm.

German silver wire has a cross-sectional area of 2.047 x 10^-3 cm^2. How many meters are needed to make a resistance of 100 (omega)?

I can't find the resistivity of German silver wire. I've googled a few places, but each one gives me a different number.

Can you please tell me what the resistivity is? I need it to plug into R= resistivity (length)/area, solving for length.

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