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Making magnets - class-VII
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QuestionClick to flip
Identify the methods by which a magnet can be demagnetized.
AnswerClick to flip back
A
Heating a magnet strongly
B
Repeated hammering of the magnet
💡 Explanation:
Methods by which a magnet can be demagnetized can be given as mentioned below:
$(1)$ Heating a magnet strongly
$(2)$ Hammering the magnet several times or repeated hammering
$(3)$ By passing an alternating current through the magnet
Hence, the correct options $(A)$ and $(B)$.