Distinguish between diamagnetic and paramagnetic
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Diamagnetic material
The magnetic moment, intensity of magnetisation and magnetic susceptibility are all negative while magnetic permeability has value less than1
Repelled by a strong magnet
The magnetic susceptibility is independent of temperature
Paramagnetic material
The magnetic moment, intensity of magnetisation and magnetic susceptibility are all positive while magnetic permeability has value slightly greater than1
Attracted by a strong magnet
The magnetic susceptibility decreases with rise of temperature
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Answer:
Distinguish between paramagnetic material and diamagnetic material.
☸ paramagnetic material
(i) they are weakly attracted by a magnet
(ii) susceptibility has small positive value
(iii) they obey curie law
(iv) relative magnetic permeability is greater than 1.
☸ diamagnetic material
(I) they are weakly repelled by a magnet.
(ii) susceptibility has small negative value.
(iii) they do not obey the curie law.
(iv) relative magnetic permeability is less than 1.
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