Question

5. State the uses of magnetism in detail.​

Answer 1

Answer:

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.

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.

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

Magnets are used in filtering machines which separates metallic ores from crushed rocks.

It is also used in food processing industries for separating small metallic pieces from grains etc.

Answer 2

Explanation:

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.