Earth's magnetic field
Learning objectives
- To view the geometry of the Earth's magnetic field.
- To show that the compass remains parallel to the field lines at every point.
- To distinguish geographic poles and magnetic poles.
The Earth is a magnetized planet. The Earth's magnetic field is like that produced by a large bar magnet. The south magnetic pole coincides with the north geographic pole.
Note how a compass remains tangential to the field lines at every point.
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