13. Define ferromagnetism and Ferrimagnetism and show alignment of their magnetic moments.
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ferromagnetic are strongly attracted by external field even they show magnetism in the absence of magnetic field
ferrimagnetic have small net magnetic moment but expected to possess large magnetism on the basis of unpair elrctron
ferrimagnetic have small net magnetic moment but expected to possess large magnetism on the basis of unpair elrctron
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HEY MATE HERE IS YOUR ANSWER:-
Ferromagnetism :-
these are those substances which exhibit usually large paramagnetism and show permanent magnetism even in the absence of magnetic field.
Ferrimagnetism:-
When magnetic moments or domains are aligned in parallel and antiparallel directions in unequal numbers resulting in small net magnetic moment than the magnetism is called ferrimagnetism and the substances possessing such behaviour called paramagnetic substance.
eg. Fe3O4, MgFe2O4
HOPE IT HELPS ☺️.
Ferromagnetism :-
these are those substances which exhibit usually large paramagnetism and show permanent magnetism even in the absence of magnetic field.
Ferrimagnetism:-
When magnetic moments or domains are aligned in parallel and antiparallel directions in unequal numbers resulting in small net magnetic moment than the magnetism is called ferrimagnetism and the substances possessing such behaviour called paramagnetic substance.
eg. Fe3O4, MgFe2O4
HOPE IT HELPS ☺️.
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