Magnets lose their magnetic properties when hammered, heated, dropped from a height or by not stored properly. This lose in magnetic property is termed as demagnetisation.
B 
C 
D 
(i) Which of the iron bars is likely to be the strongest magnet? (ii) Which of the iron bars is not a magnet? Justify your answer.
Question
What is demagnetisation?
- Fun with magnets CBSE Class 6
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