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What are the practical uses of a magnet?

Common uses of magnets includes compass, vending machines, refrigerator magnets and electric motors.....Some kinds of trqins also work with the support of magnets.

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what
 
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Mainly and all of us know that magnet is used in compass for showing the direction to navigators and travellers but there are more uses of magnet like it is used in refregireators for the opening and closing , it is used in CPU's for the storage of the data in machines and many more things even it is also used in a machine called MRI (Medical Resonance Imagning ) This machine is used in hospitals to scan the body parts of humans.
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hope this helps

 
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magnets are used in crane,scanning machines like MRI,radio,television,credit cards,ATM cards,earphones etc.
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