What causes the temporary magnetism of a common iron nail to go away w – McqOptions

MCQOPTIONS

1.	What causes the temporary magnetism of a common iron nail to go away when the magnetizing force isremoved?
A.	it never was a magnet
B.	ordinary thermal motion
C.	magic
D.	vibrations set off by the aligning domains, they can be heard with a amplified stethoscope
Answer» C. magic

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