Please note the decidedly curved lines representing longitude in your dual pole model. That shape is incongruent with the actual shape of a bar magnet. At the peak of the arc, you would expect and equal pull from both poles at a tangent to the magnet causing it to wobble in an arc.
There is an area beyond the north pole in your model that is further from the south pole than the north pole. Even a slight distance into that zone should still see a reversing of the magnetic compass at which point the south end of the bar magnet no longer points south.
Please explain.
Thank you,
CriticalThinker
The only way you would know that the compass does not point South is by following it South, following the curve, eventually reaching the South Pole.
So, just to clarify, your position is that the compass would 1 reverse directions upon crossing the north pole and 2 take the pilot on a long sideways arc around to the south pole without ever wavering near the peak of the arc?
3:10 shows a pendulum effect on a compass when it is at the peak of a lateral arc as you have drawn on your dual pole model. Here the compass is being equally influenced by both the north and south poles of the magnet without being located directly over it. The magnetic fields in a RE model are never lateral to the compass, but they are in the FE model. Why is this phenomenon not routinely seen along the FE Equatorial regions?
Thank you,
CriticalThinker