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Induction Cooktop Skin Depth

δ = 1/√(πfμσ)

An induction hob drives ~24 kHz eddy currents that only penetrate a thin skin of the pan — the higher the frequency, the shallower the heated layer, concentrating the power in the metal.

Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own Gif encoder (no GPU, no ffmpeg, no external packages).