Physics, asked by mansoormehdi18, 1 year ago

why magnets attract things.ans deeply


sangeetadevi86: bcoz when positive side near the negative side and when p+ n = then attract
sangeetadevi86: suppose that u have positive side magnet and an iron are negative and when
sangeetadevi86: both come near than attract
mansoormehdi18: how the magnet is charged
mansoormehdi18: everything in normal condition is neutral than y magnet attract only the. metals

Answers

Answered by aryan9467
0

Magnets doesn't attract all things they only attracts metals.


mansoormehdi18: but how and why
Answered by Anonymous
1

It depends on the permeability of the material. Permeability is the measure of the ability of a material to support the formation of a magnetic field within itself.

So the magnet attracts everything(even you) but the strength of attraction depends on the permeability of the material. If a material is strongly attracted to the magnet then it is said to have a high permeability.

The permeability for Iron is 0.25 henries/meter(H/m)

OR

Magnetism is based on electron spins. There are two electron spin directions clockwise and anti clockwise. If you look at the electronic configuration some are fully filled electron blocks and some are partially filled electron blocks. Fully filled has both spins and gets cancelled causing with no net spin and no magnetism. Partially filled has only one spin direction with net spin causing magnetism. This occurs for monovalent atoms. For divalent atoms, even though they have partially filled blocks and has a net spin as a single atom, they get cancelled when they pair to form divalent atom.

Compare electronic configuration of Iron vs Gold and Silver. Gold and Silver have all electron blocks fully filled except one block. Iron has more partially filled electron blocks


mansoormehdi18: thanks
mansoormehdi18: why there is poles in magnet
mansoormehdi18: plz ans
mansoormehdi18: bt the magnet remains in same position it does not points toward north.. only the compass needle do so
Similar questions