how does creating a magnet field heat up the pan?
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Wiggling electrons in the cook top use magnetism to make electrons in your cookware wiggle too. Those wiggling electrons jostle nearby atoms till they get hot, which means they move faster and smack into other atoms to make them move fast too.
I like to describe it as wireless charging for your cookware. Except it doesn’t have a battery and just functions like a single giant wire, so the wire just gets hot. Which is good because that’s what we wanted.
Moving magnets cause electricity to flow and flowing electricity can cause a magnet to appear. Cycle the electromagnet and you can make electricity flow in metals. Phones use this to charge, but this does it a bit differently.
The cooktop makes the inside of the metal move really fast making it hot.
For those who like a more detailed answer have fun explaining electromagnetism or even the concept of an electron to a 5 year old.
Take 2 strong magnets with one on top of a table and one under the table where moving the one underneath moves the one in top. If you move the magnet really fast then the friction will make it heat up.
Heat is basically a measurement of movement which is energy.
Electricity and magnetism are linked. We call it electromagnetism. The induction stove creates fields of electromagnetic energy that metals like iron react to. The energy moves the electrons around like little magnets and that energy makes the atoms hot.
The cooktop makes electrons in the pan move, but the material of the pan doesn’t want its electrons to move and it fights, while fighting it gets angry and hot.
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