State four differences between temporary and permanent magnet.
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Temporary magnet Permanent magnet
It cannot convert an ordinary piece of iron into a magnet because of its weak power. It can convert an ordinary piece of iron into a temporary magnet.
It is made of soft (pure) iron. It is made of steel, cobalt and nickel
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Explanation:
Temporary magnet
Permanent magnet
These magnets lose their magnetic properties as soon as the magnetising force is removed.
These magnets do not lose their magnetic properties.
It cannot convert an ordinary piece of iron into a magnet because of its weak power.
It can convert an ordinary piece of iron into a temporary magnet.
It is made of soft (pure) iron.
It is made of steel, cobalt and nickel.
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