Hiki ke hoʻokaʻawale ʻia nā magnet bar i hoʻokahi o nā ʻano ʻelua: mau a me ka manawa.ʻO nā magnet paʻa mau i ke kūlana "on";ʻo ia hoʻi, ʻeleʻele mau ko lākou kahua makeke.ʻO ka magnet no ka manawa lōʻihi he mea i lilo i mea hoʻokalakupua ke hoʻokō ʻia e kahi māla magnetic.Ua hoʻohana paha ʻoe i ka magnet e pāʻani ai me nā ʻili lauoho o kou makuahine i kou wā kamaliʻi.E hoʻomanaʻo pehea i hiki ai iā ʻoe ke hoʻohana i kahi lauoho i hoʻopaʻa ʻia i kahi magnet e kiʻi i ka lua o ka lauoho?ʻO ia no ka mea ua lilo ka lauoho mua i mea magnet no ka manawa, mahalo i ka ikaika o ke kahua magnetic e hoʻopuni ana iā ia.ʻO Electromagnets kekahi ʻano o ka magnet pōkole e lilo i "ʻeleu" wale nō i ka wā e hele ai kahi au uila i loko o lākou e hana ana i kahi māla magnetic.
He aha ka Alnico Magnet?
Ua kapa ʻia nā mea magnet he nui i kēia lā he "alnico" magnets, he inoa i loaʻa mai nā ʻāpana o nā mea hao i hana ʻia ai lākou: ALuminum, NIckel a me CObalt.ʻO nā mea magnet Alnico ka mea maʻamau i ke ʻano bar-a i ʻole ke ʻano kāmaʻa lio.I loko o ka pahu pahu, aia nā pole kū'ē ma nā wēlau o ka pā, ʻoiai i loko o ka magnet kāmaʻa lio, ua kokoke like nā pou, ma nā wēlau o ka kāmaʻa lio.Hiki ke hoʻokumu ʻia nā mea hoʻokalakupua i nā mea ʻenehana honua - neodymium a i ʻole samarium cobalt.Loaʻa nā ʻano magnet bar ʻaoʻao pālahalaha ʻelua a me nā ʻano pahu magnet;ʻO ke ʻano i hoʻohana maʻamau ʻia ma muli o ka noi e hoʻohana ʻia ai ka magnet.
Nahā koʻu Magnet i ʻelua.E hana mau anei ia?
Koe wale no ka nalowale ana o ka magnetism ma ka lihi ha'iha'i, 'o ka magnet i nahaha 'ia i 'elua mau mea ma'amau e hana 'ia i 'elua mau magnet, 'o ia ka hapalua o ka ikaika o ke kumu, unbroken magnet.
Hooholo Pole
ʻAʻole hōʻailona ʻia nā magnet a pau me "N" a me "S" e koho i nā pou.No ka hoʻoholo ʻana i nā pou o kahi ʻano pahu pahu, e kau i kahi panana kokoke i ka magnet a nānā i ka nila;ʻO ka hopena e kuhikuhi mau ana i ka pole ʻākau o ka Honua e ʻōniʻoniʻo a puni e kuhikuhi i ka pole hema o ka magnet.ʻO kēia no ka mea kokoke loa ka magnet i ke panana, e ʻoi aku ka ikaika ma mua o ko ka honua.Inā ʻaʻohe āu panana, hiki iā ʻoe ke lana i ka pā i loko o kahi pahu wai.E kaʻa mālie ana ka magnet a hiki i ka hui ʻana o kona kia ʻākau me ka ʻākau maoli o ka Honua.ʻAʻohe wai?Hiki iā ʻoe ke hoʻokō i ka hopena like ma ka hoʻokuʻu ʻana i ka magnet ma kona kikowaena me kahi kaula, e ʻae iā ia e neʻe a hoʻololi manuahi.
Mākēneki helu
Ua helu ʻia nā mākēneki bar e like me ʻekolu ana: koena induction (Br), e hōʻike ana i ka ikaika o ka magnet;ka ikehu kiʻekiʻe (BHmax), ka mea e ana i ka ikaika o ke kahua magnetic o kahi mea magnetic saturated;a me ka ikaika koi (Hc), e hōʻike ana i ka paʻakikī o ka hoʻohaʻahaʻa ʻana i ka magnet.
ʻAuhea ka ikaika o ka mākēneki ma luna o ka mākēneki?
ʻOi aku ka kiʻekiʻe a i ʻole ʻoi loa ka ikaika o ka mana mākēneki o ka pahu makeke ma kēlā me kēia ʻaoʻao o ka pole a ʻoi aku ka nāwaliwali ma ke kikowaena o ka magnet a me ka hapalua ma waena o ka pou a me ke kikowaena o ka magnet.Ua like ka ikaika ma kēlā me kēia pou.Inā hiki iā ʻoe ke loaʻa i nā waihona hao, e hoʻāʻo i kēia: E kau i kāu magnet ma kahi pālahalaha a māmā.I kēia manawa, e kāpīpī i nā mea hao a puni.E hoʻoneʻe nā waihona i kahi kūlana e hāʻawi i ka hōʻike ʻike maka o ka ikaika o kāu magnet: e ʻoi aku ka paʻa o nā faila ma kēlā me kēia pou kahi i ʻoi aku ka ikaika o ka mana magnetic, e pālahalaha ana i ka nāwaliwali o ke kula.
Ka mālama ʻana i nā Magnet Bar
No ka hoʻomau i ka hana maikaʻi o nā magnet, pono e mālama pono i ka mālama pono ʻana.
E makaʻala i ʻole e hoʻopili ʻia nā magnet i kekahi i kekahi;e makaʻala hoʻi ʻaʻole e ʻae i nā magnet e hui pū kekahi me kekahi ke waiho ʻia i loko o kahi waihona.Hiki i nā hui ke hoʻopōʻino i ka magnet a hiki ke hōʻeha i nā manamana lima e hele mai ana ma waena o ʻelua mau magnet hoʻohihi ikaika loa
E koho i kahi pahu i pani ʻia no kāu mau mākēneki e pale aku i nā ʻōpala metala mai ka huki ʻana i nā magnet.
E hoʻopaʻa i nā magnet ma nā kūlana hoihoi;i ka wā lōʻihi, hiki i kekahi mau magnet i mālama ʻia i nā kūlana hoʻihoʻi e nalowale ko lākou ikaika.
E kūʻai i nā magnet alnico me nā "keepers," nā papa i hoʻohana ʻia no ka hoʻopili ʻana i nā pou o nā magnet he nui;kōkua nā mea mālama i ka pale ʻana i nā magnet mai ka lilo ʻana i demagnetized i ka manawa.
E hoʻokaʻawale i nā pahu waihona mai nā kamepiula, nā VCR, nā kāleka hōʻaiʻē a me nā mea hana a i ʻole nā mea hoʻolaha i loaʻa nā ʻāpana magnetic a i ʻole microchips.
E mālama pū i nā magnet ikaika ma kahi mamao mai kahi e kipa ʻia ai e ka poʻe me nā mea pacemakers no ka mea ua lawa paha ka ikaika o nā māla magnetic e hoʻopilikia i ka hana pacemaker.
Ka manawa hoʻouna: Mar-09-2022
