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How the force arises in magnet …

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How the force arises in magnet to attract an iron piece from a distance?
  • 2 answers

Punit Tiwari 5 years, 6 months ago

Only in artificial megnet can arise the attraction noy natural

Meghna Thapar 5 years, 6 months ago

When you rub a piece of iron along a magnet, the north-seeking poles of the atoms in the iron line up in the same direction. The force generated by the aligned atoms creates a magnetic field. Magnetic force obeys an inverse square law with distance. ... If the distance between two magnets is doubled the magnetic force between them will fall to a quarter of the initial value. (F/4) If the distance between two magnets is halved the magnetic force between them will increase to four times the initial value.

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