There is such a thing as a ring magnet. They are commonly used in speakers. This is close to the flat earth model.
There is no such thing as a dipole sphere magnet. It doesn’t exist. You don’t live on one.
Yes, ring magnets exist, but how can the poles reverse on such a magnet shape and what would be the resulting magnetic field if the poles drifted slowly as they are now? At what point would the poles cancel each other out? Also, ring magnets don't just have two poles, fyi.
There is no “South Pole” in the flat model.
Magnetic monopoles don't exist. See Gauss' Law for the reason. If they did exist, we could have stable magnetic levitation and Back to the Future hoverboards would be real.
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