Question

Aadi was working with Magnet P for two weeks. He saw that the amount of iron fillings getting attracted is becoming lesser and lesser. Give two reason why magnets attraction for iron filings decreased. Identify the following changes as reversible and irreversible.

Answer 1

Explanation:

Reason:

1)Heat causes demagnetization

2)banging or dropping a magnet from a high height can also affect it's strength.

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Answer 2

Answer:

The causes for Magnet attraction for iron fillings decreased because of two reasons

1) Dropping magnet from a high place

2) If we bring it near to heat it gets demagnetized.

It is a reversible process because we can rub it with a strong magnet and make it magnetized again.