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HOW DOES IT WORK……. INDUCTION HOB
By John | January 11, 2008
                            Efficient,  Clean and  Super safe the induction hob has revolutionised cookingÂ
         But how does it work ?                                              Â
     Induction hobs work by creating ‘eddy currents’ in the base of the pan. The hob creates a fairly powerful and rapidly changing electromagnetic field that extends beyond the surface of the hob and in to the base of the pan.Â
 A changing magnetic field in a conductor causes a current to flow and the resistance within the metal of the pan base causes the pan to heat up. Since air is such a poor conductor, very little energy is lost to the space around the pan (except by the usual mechanisms of conduction, convection and radiation), but the hob won’t consume much power if there’s nothing there to permit a current to flow, hence more efficient.  And don’t think you actually need a magnetic saucepan, even a pure aluminium one should work but a ferromagnetic one is better (ie.it’s got some iron in it whether that stainless steel, regular steel etc) will have some free electrons in the iron atoms which helps current to flow.
So now you know…
Topics: Misc |
