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induction cooking

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thundercrack | 20:56 Wed 16th May 2007 | How it Works
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why does the handle on a pot (even though they are both steel) not get hot on an induction hob? as it is heated by the magnetic field reacting with the metal pot I would have thought that anything metal would have reacted in the same way, just like a line of paper clips with a magnet at one end, if you offer another paper clip to the clip furthest from the magnet it will be attracted.
thanks, alf.
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The handle on some metal pans are insulated against heat transfer from the pan and are shaped so as not to be goog conductors of heat.
I think the steel pan bottom sitting on the hob completes the magnetic circuit, ie all the magnet lines of force are absorbed by it causing it to heat up, and very few if any, reach as far as the handle, it likes a keeper for a magnet, your line of paper clips only attracts other paper clips because its not returned to the magnet, if your line of clips are attached to say, the N pole,the free end will attract other clips until the free end is put on the S pole and then more no clips will be attracted. Hope that makes sense.
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