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प्रश्न
Answer the following in detail.
How can a magnet be demagnetized?
संक्षेप में उत्तर
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उत्तर
A magnet can be demagnetized in the following ways :
- rough handling
- hammering the magnet several times.
- passing an alternating current around the magnet.
- dropping the magnet on the floor several times.
- heating the magnet to a very high temperature.
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