I have seen charts that show how the resistance of various metals compare. What I haven't seen is a way to make determine how much larger say a stainless steel rod would need to be to have the same resistance as a copper rod of some given diameter. For example if I had a 30 awg copper wire and a 1" dia Stainless steel rod, even though the copper is a better conductor, in this case the 1" dia stainless steel rod is going to have less resistance. Is there a rule of thumb, or chart that tells how much larger to make a conductor to have equivalent resistance to copper?
- posted
16 years ago
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