What is magnet? Writes its uses.
Answers
Answer:
Magnets are used to make a tight seal on the doors to refrigerators and freezers. They power speakers in stereos, earphones, and televisions. Magnets are used to store data in computers, and are important in scanning machines called MRIs (magnetic resonance imagers), which doctors use to look inside people's bodies.
Explanation:
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☆ Answer ☆
A magnet is a substance that has the property of attracting objects made of iron, cobalt and nickel. On the basis of their occurrence, the magnets can be classified as :-
( a ) Natural Magnets
( b ) Artificial Magnets
( a ) Natural Magnets occurs naturally in the environment mostly as constituents of rocks.
( b ) Artificial Magnets are made by man using iron, cobalt and nickel. Artificial magnets have different shapes and sizes.
Uses of Magnets
1. ATM, credit and debit cards have a magnetic strip that stores Information and enables transaction of money.
2. Magnetic recording devices such as VHS, audio, cassettes, computers, floppy disks and hard disks have magnets for recording data.
3. Powerful magnets are fitted in motors, generators and loudspeakers. These are also fitted in fridge doors, almirahs, etc.
4. The magnets are used in scrapyards to separate iron and steel from other waste materials.
5.Magnets are also used in children's toys.