Guide To Archery

Field Point

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Where does the magnetic field vector point at the earth's equator?

I thought the field lines point from north to south poles but the earth's geological north is actually the physical south pole so I'm guessing the vector points north...

The main field represents, on average, about 99% of the whole magnetic field observed on the surface of the Earth. A simple study of the morphology of this field shows its high similarity (for about 95% of the whole field) to the magnetic field produced by a dipole located at the centre of the Earth and whose axis forms an angle of around 11.5° with respect to the rotation axis of our planet.

The geometry of the geomagnetic field is characterised by incoming field lines in the northern hemisphere and outgoing in the southern one. Therefore, a magnetic needle free to rotate around an axis will point its North magnetic polarity to the Earth South magnetic polarity (i.e. geographical North). However it is custom to call North magnetic Pole, the magnetic Pole located around the geographic North, and similarly South magnetic Pole the one located around the geographic South

hope this helps

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« Previous12Next »

Where does the magnetic field vector point at the earth's equator?

I thought the field lines point from north to south poles but the earth's geological north is actually the physical south pole so I'm guessing the vector points north...

The main field represents, on average, about 99% of the whole magnetic field observed on the surface of the Earth. A simple study of the morphology of this field shows its high similarity (for about 95% of the whole field) to the magnetic field produced by a dipole located at the centre of the Earth and whose axis forms an angle of around 11.5° with respect to the rotation axis of our planet.

The geometry of the geomagnetic field is characterised by incoming field lines in the northern hemisphere and outgoing in the southern one. Therefore, a magnetic needle free to rotate around an axis will point its North magnetic polarity to the Earth South magnetic polarity (i.e. geographical North). However it is custom to call North magnetic Pole, the magnetic Pole located around the geographic North, and similarly South magnetic Pole the one located around the geographic South

hope this helps

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