Answered

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The source of all magnetic fields is:
- moving charges
- the earth's gravity
- the aurora borealis
- solar fields

Sagot :

Answer:

Moving charges

Explanation:

The source of all magnetic fields is moving electric charge: whether it is current in a wire, unpaired electrons in an atomic orbital, convection currents in the earth's liquid nickle /iron core, plasma in the sun, etc. moving electric charge is the source of all magnetic fields.

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