Question

who discovered magnets
write any two properties of magnets
write any two applications of magnet​

Answer 1

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Roughly 4,000 years ago, a Greek shepherd named Magnes is said to have been tending his sheep in a region of northern Greece called Magnesia. He took a step and suddenly found that the nails that held his shoe together and the metal tip of his staff were stuck fast to the rock he was standing on!

Two properties of a magnet are: (i) A magnet always has two poles: a north pole and south pole. (ii) Like magnetic poles repel each other and unlike magnetic poles attract each other.

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.