Question

What is the reason behind for the planet having magnetic field?

Answer 1

The Coriolis force, resulting from the Earth's spin, also causes swirling whirlpools. This flow of liquid iron generates electric currents, which in turn produce magnetic fields. Charged metals passing through these fields go on to create electric currents of their own, and so the cycle continues.

Answer 2

Answer:

ans is to keep the magnetic poles in place and keep the planets stable