I said cooktops simply because both electromagnets and induction cooktops create eddy currents, which clearly obey the law of conservation of energy (somehow- i saw it mentioned somewhere in induction cooktops).
Of course its the fucking cooktop. Why the fuck is there even a thread on this question. Its so plain and simple. If you put motors, your a brainless moron who doesnt know shit.
An induction cooker relies on Eddy Currents to make it work. The braking relies on eddy currents to work. Hence the answer, is induction cooker. Now shutup all you dumb fucks who say its the motor, and go back to sucking on your mothers breast..