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प्रश्न
Give a reason for the following.
Electromagnets are temporary magnets.
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उत्तर
An electromagnet is a temporary magnet because it behaves like a magnet only till the current is passed through it. When the ~ current is stopped, it stops behaving like a magnet.
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संबंधित प्रश्न
Write true or false of the following statement.
Permanent magnets get easily demagnetised.
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Single touch method is better than the electrical method for making a magnet.
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