Diamagneticparamagnetic And Ferromagnetic Materialsmagnetic Field Of The Earth

Diamagnetic Materials:

Click to expand- Repelled by magnetic fields. - Relative permeability less than 1. Examples: Copper, silver, gold, bismuth.

Paramagnetic Materials:

Click to expand- Attracted to magnetic fields. - Relative permeability greater than 1. Examples: Aluminum, platinum, oxygen.

Ferromagnetic Materials:

Click to expand- Strongly attracted to magnetic fields and retain magnetism after removal of the field. - Very high relative permeability. Examples: Iron, nickel, cobalt, gadolinium.

Magnetic Field of the Earth:

Click to expand- Generated by molten iron movement in the Earth's outer core. - Dipole field with two magnetic poles (North and South Poles). - Protects Earth from harmful solar radiation.


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