Question

How can magnet we demagnetized

Answer 1

This process usually requires a high amount of heat, or a strong magnetic field at a reverse polarity to the magnet you want to demagnetize.

Change the Magnet with High Heat. ...

Place the Magnet in a Reverse Field. ...

Hammer the Magnet. ...

Leave the Magnet Alone for a (Very) Long Time.

Answer 2

Hey dear!!

here is your answer:
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Permanent magnets can be demagnetised by following methods:

1. Heating the magnet

2. Hitting it hard with some kind of tool
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hope it helps you!!

Thankyou!!❤