Question

How are magnets useful to us?
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Answer 1

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

Answer 2

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• Electromagnet is used by doctors to take out some iron fillings that may have fallen in your eyes.
• Magnet or electromagnets are used for making earphones, electric bell etc.
• Electromagnet is also used in mobile cranes for lifting heavy magnetic materials .

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