4. Examples where magnets are used
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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.
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Answer:
The Correct Answer is mentioned below
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Toys
Some toys have magnets in them. Toy train sets, for example, frequently have magnets that hold the carriages together, and building blocks with magnets are also available.
Compasses
Magnets are employed in compasses to ensure that the needle always points north. Using the same process, you may create your own rudimentary compass at home. Only a basin of water, a cork, and a needle are required. You'll observe how the north pole's magnetic pull affects the needle's direction.
Hospitals
Magnets are used in various medical procedures. For example, powerful magnets are utilised in various scans, such as NMR and MRI. An MRI machine is a huge, cylindrical scanner that creates images of the inside of the body using a powerful magnet. Medical disorders are diagnosed using these photos.
Magnets for the refrigerator
Fridge magnets are one of the most common magnet applications. They can be used to affix photos on your refrigerator. Alphabet magnets can be used to spell out words and humorous messages on your refrigerator!