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Re: [Phys-l] Inductive cooking

Don't think so.

The two methods are Joule loss (eddy current) and hysteresis loss. The std. eddy demo. w/ a PM and a moving vane works best w/ the best conductor. One may easily check this by using an insulated (thermally and electrically) steel sheet surrounded by a good conductor. the freq. would necessarily be low. Embed thermometers.

bc


On 2009, Apr 06, , at 08:22, Folkerts, Timothy J wrote:

Perhaps it would help to think of it as a transformer -- the coil in the
appliance is the primary and the pan is the secondary. By adding a
magnetic "core" to the transformer, the efficiency is greatly improved.