Magnetism of a magnet can be destroyed by_____________?
Correct answer: D. by all above methods
- A. heating
- B. hammering
- C. by inductive action of another magnet
- D. by all above methods
Explanation
Heating and hammering disturb the aligned magnetic domains, while a strong opposing or inductive magnetic field can also reduce their alignment. Thus all three listed methods can destroy or weaken magnetism.
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