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Induction cooker

Christopher Alexandre

May 23, 2016
13
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May 23, 2016
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Hi, i wanna know why induction cooker need ferromagnetic pan? i kwow that we can heat every metal or conductor with an induction coil heater because we can create a current inside thank you!!
 

hevans1944

Hop - AC8NS
Jun 21, 2012
4,762
Joined
Jun 21, 2012
Messages
4,762
Try reading the information at this Wikipedia link.

Most industrial induction coil heaters will heat most anything conductive, but for efficiency a ferromagnetic susceptor is used to take advantage of the losses caused by magnetic hysteresis, a stronger mechanism than simple Joule heating caused by eddy currents induced in a conductor placed in an alternating magnetic field. Indirect heating is often used by enclosing the object to be heated in a nickel cylinder, the heat of the (usually) incandescent cylinder being transferred to the object inside mainly by infrared radiation.
 
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