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ICSE Class 6 Answered

Give a experimental evidences of heating demagnetises a magnet 
Asked by Pp998706 | 15 Feb, 2020, 08:15: PM
answered-by-expert Expert Answer
Magnet can be demagnetised on heating. 
Magnet will lose all its magnetic properties when heated at temperature of about 1390 ºF (770 ºC)
After heating to such a high temperature and keeping it in east - west direction, it will get permanently demagnetised. 
Answered by Shiwani Sawant | 17 Feb, 2020, 11:02: AM

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