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6 posts in this encyclopedia categoryParamagnetism
Substances associated with paramagnetism require an external magnetic field for magnetization.
Pauli principle
The Pauli principle - also called "Pauli ban" and "Paul's exclusion principle" - is a law of physics.
Permanent magnet
A permanent magnet is a material from which a magnetic force always emanates.
Permeability
According to the definition, the magnetic permeability is a physical unit that has the symbol µ. It is similar to susceptibility and indicates how permeable a material is to magnetic flux density.
Physical properties of neodymium magnets
You can find the physical properties of neodymium magnets in our dictionary!
Plus and minus poles of magnets
Fixed colors are assigned to the plus and minus poles of a magnet to make them easier to identify. The positive pole of a magnet is marked red and the negative pole green.