Question

state three important uses of magnet?​

Answer 1

Magnets are usedto 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 areimportant in scanning machines called MRIs (magnetic resonance imagers), which doctors use to look inside people's bodies.

Answer 2

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1. Magnets are used inside TVs, Sound speakers and radios. The small coil of wire and a magnet inside a speaker transforms the electronic signal to sound vibrations.

2. Magnets are used inside a generator to transform mechanical energy to electrical energy where there are other kinds of motors which use magnets to change electrical energy to mechanical energy.

3. Electrically charged magnets can help cranes to move large metal pieces.

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