alleryRepeatedly hammering or jarring a magnet tends to do what?
AMake it stronger
BWeaken its magnetism
CAdd a third pole
DMake it non-metallic
Answer & Solution
Correct answer: B. Weaken its magnetism
1. Mechanical disturbance shakes the magnetic domains.
2. This randomizes their alignment.
3. So the magnetization is reduced.
_Source: Wikipedia, Magnet, Demagnetizing ferromagnets_
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