Question: The Earths magnetic field is produced by the fl ow of electrons within its molten interior. If the fl ow is in the form of

The Earth’s magnetic field is produced by the fl ow of electrons within its molten interior. If the fl ow is in the form of a ring of current in the plane of the equator, in which direction must the electrons fl ow to produce the observed polarity of the Earth’s field?

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