Ferromagnetism: What is it? | Ferromagnetic Materials | Electrical4U
A SIMPLE explanation of Ferromagnetism. If you want to use a resistor color code calculator to figure out the resistance for you, check out our calculator at: https://www.electrical4u.com/ferromag...
The ferromagnetic materials are those substances which exhibit strong magnetism in the same direction of the field when a magnetic field is applied to it. First, we have to know what a domain is. It is actually a tiny area in ferromagnetic materials with a specific overall spin orientation due to quantum mechanical effect.
This effect is really an exchange interaction. That is; when we consider some unpaired electrons, they will interact with each other between two atoms and they line up themselves in a tiny region with the direction of the magnetic field. This mechanism of the ferromagnetic material is ferromagnetism. It can be defined as some materials (cobalt, gadolinium, iron etc) will become a permanent magnet with the use of a magnetic field.
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