Quote:
Originally Posted by Homeslice
If it could do that, then wouldn't it also cause any electrically conductive material to get hot, even pennies? Somehow I can't see that happening.
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If it's a powerful one, worrying about pennies getting hot is the least of your concern.
But yes, if you produce a strong EM field, you can heat up the metal that is near it.
Oddly, I sat in a big EM field this morning testing a generator core. I had to do a core loop test at one of the hydro generators. It's awesome to feel my old metal tooth fillings get warm. We have safety procedures to make sure we get anyone out of the area that has serious metal in their bodies away from the site while testing.
The whole point of the core loop test is to produce a magnetic field to heat up the stator core and find weakness by seeing hot spots in the heated metal of the core laminations.