Induction cooktops heat pots using alternating magnetic fields to induce eddy currents in ferromagnetic materials. Copper wire coils can be substituted with other ferromagnetic materials like iron or steel coils.
Induction cooktops use electromagnets to heat pots by producing eddy currents in the base of the pot through alternating magnetic fields. For this process to work, the base of the pot needs to be ferromagnetic, such as iron or steel, as these materials are responsive to induction. Alternatives to a copper wire coil for induction could include other ferromagnetic materials like iron or steel coils.
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