Pehea ka hana ʻana o ka magnet?
hale ʻatoma | |
Hoʻoholo ʻia ke ʻano o ka hana ʻana o ka magnet e kona ʻano atomika holoʻokoʻa. Hoʻokumu ʻia kēlā me kēia ʻātoma i nā electrons maikaʻi ʻole e hoʻopuni ana i nā protons maikaʻi a me nā neutrons (i kapa ʻia ʻo ka nucleus), ʻo ia hoʻi nā māka microscopic me nā pole ʻākau a me ka hema. | |
Ke neʻe nei nā electrons o ka magnet a puni nā protons, e hana ana i kahi kahua magnetic orbital. Loaʻa i nā mākēnehe kahi hapa i kapa ʻia o nā electrons; ʻo ia hoʻi, ʻaʻole i hui pū ʻia e like me nā mea ʻē aʻe. A laila laina kēia mau electrons, kahi e hana ai i kahi māla magnetic. | |
Hoʻohui ʻia nā ʻātoma a pau i mau pūʻulu i kapa ʻia he kristal. A laila hoʻonohonoho nā kristal ferromagnetic iā lākou iho i ko lākou mau pole magnetic. Ma ka ʻaoʻao ʻē aʻe, i loko o kahi mea non-ferromagnetic ua hoʻonohonoho ʻia lākou e hoʻokaʻawale i nā waiwai magnetic i loaʻa iā lākou. | |
A laila e laina ka hui o nā kristal i loko o nā kikowaena, a laila e hoʻopili ʻia i ka ʻaoʻao magnetic like. ʻOi aku ka nui o nā kāʻei kapu e kuhikuhi ana i ka ʻaoʻao like, ʻoi aku ka nui o ka ikaika magnetic. | |
Ke hoʻopili ʻia kahi mea ferromagnetic me kahi magnet, e hoʻopili nā kāʻei o ia mea me nā kāʻei i loko o ka magnet. ʻAʻole align nā mea non-ferromagnetic me nā kāʻei magnetic a noho maʻamau. | |
ʻO ka huki ʻana i nā mea ferromagnetic | |
Ke hoʻopili ʻia kahi mea ferromagnetic i kahi magnet, ua hoʻokumu ʻia kahi kaapuni paʻa ma muli o ke kahua magnetic e hele mai ana mai ka pole ʻākau ma o ka mea ferromagnetic a laila i ka pole hema. | |
ʻO ka huki ʻana o kahi mea ferromagnetic i kahi magnet a me kona hiki ke hoʻopaʻa iā ia i kapa ʻia ʻo ka ikaika o ka huki ʻana o kahi magnet. ʻOi aku ka nui o ka ikaika huki o kahi magnet, ʻoi aku ka nui o nā mea hiki ke huki. | |
Hoʻoholo ʻia ka ikaika o ka huki ʻana o ka magnet e nā kumu like ʻole:
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