I wrote: I assume, then, that magnetic domains and the curie temperature are not > relevant. I'm thinking more along the lines of metal vapor and partially > ionized nickel and iron atoms and particles, which will carry some amount > of electric charge. >
Note that as the temperature rises, the likelihood of multiple partial ionization of any metal vapor increases, and, with it, increasing susceptibility to any magnetic field that is set up by the coiled wires. Eric
