Saturday, May 18, 2019

Electromagnets in Induction Cooking


Induction Cooking
Induction cooktops are a special type of stove that differs from the typical electric or gas stoves because it is heated through electromagnetism. A copper coil situated underneath the burners, when activated, sends an electromagnetic field out and creates an electric current underneath the burner. This current is then sent into the pot or pan on the stove, heating it with better precision and speed than any other type of stove. However, these stoves are only compatible with certain pans that can react to the electromagnetic field, such as iron.


How it Works
Instead of heat being transferred thermally, induction cooktops transfer heat through magnetic fields. Because of there being no need to transfer heat between elements, as the magnetic field directly heats the pans, the molecules in the pans vibrate because of the electric current flowing through them, as opposed to other stoves, where the cooktop is heated, and then the pan that is on top of it. This heats up the pan and not the stove itself, which results in some cool experiments (check them out, you won't).



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