Following are some of the operations performed on magnet. Which of the – McqOptions

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1.	Following are some of the operations performed on magnet. Which of these can demagnetise the given magnet? Heating Hammering Keep it in close contact with another magnet is such away, that like poles are together Keeping it in water
A.	(1), (2) and (4)
B.	(1), (3) and (4)
C.	(1), (2) and (3)
D.	(2), (3) and (4)
Answer» D. (2), (3) and (4)

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