Question

A megnet can be demagnetised by __________.
a) heating
b) beating
c) keeping in a box
d) both a) and b)​

Answer 1

Explanation:

keeping in a box

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Answer 2

Answer:

d) both a) and b)

Explanation:

1) by hammering the magnet strongly

2)by heating a magnet strongly and keeping it in east-west direction.