All pieces of iron have magnetic domains, why are most iron nails not – McqOptions

MCQOPTIONS

1.	All pieces of iron have magnetic domains, why are most iron nails not magnetic?
A.	their domains are all oriented with respect to magnetic poles
B.	they cannot conduct electricity
C.	their atoms contain 4 electrons that spin magnetism is un-cancelled
D.	their domains are randomly oriented, canceling out most magnetic forces
Answer» E.

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