3 ms·
For those who haven't had a physics class, that's garbage because silver is somewhat more conductive than copper, which is slightly more conductive than gold.
by yuubi 10y ago
For those who haven't had a physics class, that's garbage because silver is somewhat more conductive than copper, which is slightly more conductive than gold.
The main benefit of gold is that it's more stable than copper, so it's a good material for connector contact surfaces, but the bulk of the contact should be something else like copper or steel, depending on the relative importance of electrical or mechanical properties.
- duaneb 10y agoAlso, electrons always move slowly in metal. It is the energy transfer that is meaningful.
- kyllo 10y agoBy more stable you mean it doesn't oxidize right?
- CapitalistCartr 10y agoYeah, gold is the best for contacts because, as you surmised, it stays clean of oxidation.
- fabulist 10y agoAdditionally, copper might be cheaper than gold or silver, but isn't very cheap.