Magnetic Fields in Matter - Magnetization

6 important questions on Magnetic Fields in Matter - Magnetization

How can we treat the magnetic loops small electons orbitting the atom? What does it mean for sth to be magnetized?

They are so small so we can treat them like magnetic dipoles.

When a magnetic field is applied on the magnetic dipoles, a net alignment of orientation occurs and the medium becomes magnetically polarized aka magnetized.

Is the magnetic polarization in the same direction as B?

When the magnetization is parallel to B we call them paramagnets

When it is opposite of B  it is called a diamagnet.

When the magnetization stays even after the external field is removed we call rtgem ferromanets

What does the torque count as?

It is parallel to the B field so it is paramagnetism.
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Which phenomenon is weaker paramagnteism or diamagnetism?

Diamagnetism . Therefore it is mostly observed in atoms with even numbers were paramagnetism is mostly absent

What is the mechanism responsible for diamagnetism ?

In the presence of a magnetic field, each atom picks up a litle extar dipole moment, and these are all antiparallel to the field

By which vector quantity is the state of magnetic polarization described by?

It does not really matter what the cause whas para dia?? There is a polarizatin
M is called the magnetization

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