Filayen Magnetic: Abubuwan da ke Faruwa da Amfaninsu a Duniyar Zamani
Filayen maganadisu suna ɗaya daga cikin abubuwan da suka fi ban sha'awa na halitta kuma suna taka muhimmiyar rawa a fannoni da dama na rayuwarmu, tun daga sauƙin amfani da kamfas zuwa aikace-aikacen zamani a cikin fasahar zamani kamar magani da sadarwa. A cikin wannan labarin, za mu binciki menene filin maganadisu, yadda yake aiki, da kuma aikace-aikacensa daban-daban a duniyar zamani.
Menene Filin Magnetic?
A taƙaice dai, filin maganadisu shine sararin da ke kewaye da maganadisu inda ake iya jin ƙarfin maganadisu. Magnet da kansa abu ne da zai iya jawo hankali ko korar wasu abubuwa waɗanda ke da halayen maganadisu. Idan aka sanya maganadisu a cikin filin maganadisu, yana nuna ƙarfi da ake kira ƙarfin maganadisu. Sau da yawa ana nuna filin maganadisu ta hanyar layukan ƙarfi na maganadisu da ke fitowa daga sandar arewa kuma suna shiga sandar kudu na maganadisu.
Ana bayyana filin maganadisu ta hanyar amfani da na'urar auna zafin jiki, wadda ke da manyan sassa guda biyu: ƙarfin filin maganadisu (H) da kuma ƙarfin maganadisu (B). Lissafin Maxwell lissafi ne daban-daban waɗanda ke bayyana alaƙar da ke tsakanin filayen lantarki da maganadisu da kuma yadda suke bambanta a sarari da lokaci.
Tushen Filin Magnetic
1. Magnets na Dindindin: Magnets na Dindindin abubuwa ne da ke samar da filin maganadisu ba tare da buƙatar wani abu ko ƙarfi na waje ba. Waɗannan maganadisu an yi su ne da kayan aiki kamar ƙarfe, cobalt, nickel, ko wasu ƙarfe. Misalan gama gari sun haɗa da maganadisu da ake amfani da su a cikin firiji da kamfas.
2. Na'urar lantarki: Na'urar lantarki maganadisu ce da wutar lantarki ke samarwa. Idan wutar lantarki ta ratsa ta waya, tana samar da filin maganadisu a kusa da wayar. Ana iya sarrafa na'urorin lantarki saboda ana iya canza filin maganadisu ta hanyar daidaita wutar lantarki da ke ratsa ta cikinsu, wanda hakan ke sa su zama masu amfani sosai a aikace-aikace daban-daban na masana'antu.
3. Filin Magnetic na Duniya: Duniyarmu da kanta babbar maganadisu ce. Tsakiyar Duniya, wacce ta ƙunshi ƙarfe mai motsi da nickel, tana samar da filin maganadisu da aka sani da filin maganadisu na Duniya. Wannan filin yana da mahimmanci don kewayawa kuma yana kare mu daga ƙwayoyin cuta masu cutarwa da ke fitowa daga rana da sararin samaniya na waje.
Aikace-aikacen Filin Magnetic
1. Kewaya
Sama da shekaru dubu biyu da suka gabata, matuƙan jirgin ruwa na China sun yi amfani da kamfas mai maganadisu don kewayawa. Kamfas suna aiki ne bisa ƙa'idar cewa allurar maganadisu koyaushe tana nuni zuwa ga sandunan arewa da kudu na Duniya. Wannan ya ba wa matuƙan jirgin ruwa da 'yan mulkin mallaka damar tantance alkiblarsu a kan tekuna masu buɗewa inda babu alamun ƙasa bayyanannu.
2. Ajiyar Bayanai
Fasahar adana bayanai ta ci gaba da sauri, kuma filayen maganadisu sune tushen yawancin waɗannan fasahar ajiya, kamar rumbun faifai (HDDs). A cikin rumbun faifai (HDDs), ana adana bayanai a cikin nau'in filayen maganadisu akan faranti na ƙarfe. Kowane ɗan bayanai yana wakilta ta hanyar yanayin filin maganadisu na barbashi akan saman faifai.
3. Likitanci
A duniyar likitanci, filayen maganadisu suna taka muhimmiyar rawa. Hoton ganewar asali ta amfani da Magnetic Resonance Imaging (MRI) wata fasaha ce da ke amfani da filayen maganadisu. MRI yana amfani da ƙarfin filin maganadisu da raƙuman rediyo don samar da cikakkun hotuna na gabobi da kyallen jiki a cikin jiki, yana taimaka wa likitoci su gano da kuma tsara magani daidai.
4. Masana'antu da Masana'antu
Ana kuma amfani da filayen maganadisu sosai a masana'antu da masana'antu. Misali, a cikin hanyoyin walda, ana amfani da filayen maganadisu don jagorantar kwararar ƙarfe mai narkewa. A cikin sarrafa ƙarfe, ana iya amfani da filayen maganadisu don raba ferromagnetic daga kayan da ba na ferromagnetic ba, ko don dumama ƙarfe ta amfani da induction na lantarki.
5. Sadarwa da Lantarki
Ana amfani da filayen maganadisu a cikin sadarwa da na'urorin lantarki, kamar ƙananan na'urori masu kwakwalwa. Misali, na'urorin canza wutar lantarki da ake amfani da su a rarraba wutar lantarki suna aiki ne bisa ƙa'idar shigar da maganadisu. Lasifika da makirufo kuma suna amfani da filayen maganadisu don canza siginar lantarki zuwa sauti, akasin haka.
6. Jiragen ƙasa na Maglev
Fasahar sufuri ta zamani kamar jiragen ƙasa masu amfani da maganadisu (maglev) suma suna amfani da filayen maganadisu. A cikin jiragen ƙasa masu amfani da maganadisu, ana amfani da filayen maganadisu don ɗaga jirgin sama sama da layin dogo da kuma tura shi gaba. Wannan yana haifar da tafiya mai santsi da sauri saboda jirgin ba ya haɗuwa kai tsaye da layin dogo, wanda ke rage gogayya da lalacewa.
Yadda Filayen Magnetic Ke Aiki
Dokokin Biot-Savart da Ampère
Dokokin Biot-Savart da Ampère dokoki ne na asali da ake amfani da su don ƙididdige filin maganadisu da wutar lantarki ke samarwa. Dokar Biot-Savart ta bayyana cewa filin maganadisu a wani wuri da wani abu mai ƙarancin wutar lantarki ya samar yana daidai da yanayin yanzu da tsawon sinadarin yanzu kuma yana daidai da yanayin nesa da sinadarin.
Dokar Faraday
Dokar Faraday ta hanyar amfani da na'urar maganadisu (magnetic induction) ta bayyana yadda canjin filin maganadisu zai iya samar da wutar lantarki. Wannan ita ce ƙa'idar da ke bayan janareto da na'urorin canza wutar lantarki da yawa. Lokacin da filin maganadisu da ke kewaye da na'urar sadarwa ya canza, na'urar sadarwa tana samar da wutar lantarki mara kyau a cikin madauki mai rufewa.
Dokar Lenz
Dokar Lenz ƙa'ida ce da ta cika Dokar Faraday. Wannan doka ta bayyana cewa alkiblar wutar lantarki da ke haifar da canjin filin maganadisu koyaushe tana da irin wannan ƙarfin maganadisu da wannan ƙarfin lantarki ya samar yana adawa da canjin farko a filin maganadisu.
Ka'idar Shigar da Wutar Lantarki
Induction na lantarki wani lamari ne da ke faruwa inda canjin filin maganadisu a cikin na'urar sarrafawa ke samar da ƙarfin lantarki (EMF). Wannan lamari shine tushen aikin na'urorin canza wutar lantarki, injunan lantarki, da janareto. Ana kuma amfani da wannan ƙa'ida a cikin yawancin na'urorin lantarki da muke amfani da su kowace rana.
Nazarin Layi: Amfani da Filayen Magnetic a Fasaha ta Zamani
MRI a Duniyar Likitanci
MRI yana amfani da ƙarfin filin maganadisu don ƙirƙirar filin maganadisu iri ɗaya a jikin majiyyaci. Sannan ana amfani da raƙuman rediyo don wargaza wannan filin maganadisu, wanda ke sa protons a jikin majiyyaci su sha kuzari su kuma canza yanayinsu. Lokacin da raƙuman rediyo suka tsaya, protons ɗin suna komawa matsayinsu na asali kuma suna sakin kuzarin da suka sha a cikin sigina, wanda daga nan ake sarrafa shi zuwa hoto.
Jirgin Kasa na Maglev a Japan
Jirgin ƙasa na Maglev yana ɗaya daga cikin fasahar sufuri mafi ci gaba, yana amfani da filayen maganadisu don ɗagawa da tuƙi jiragen ƙasa ba tare da hulɗa kai tsaye da layin dogo ba. Wannan tsarin yana rage gogayya kuma yana ba jiragen ƙasa damar isa gudun har zuwa kilomita 600/h. Ana samar da filayen maganadisu da ake amfani da su a jiragen ƙasa na Maglev ta hanyar manyan na'urorin lantarki da aka sanya a cikin layin dogo da kuma jirgin da kansa.
Kammalawa
Filin maganadisu muhimmin abu ne a fannin kimiyyar lissafi da injiniyanci, tare da amfani da shi a fannoni daban-daban. Daga tsoffin hanyoyin lilo da kamfas zuwa fasahohin zamani kamar MRI da jiragen Maglev, filayen maganadisu suna ci gaba da taka muhimmiyar rawa a ci gaban fasaha da rayuwar ɗan adam. Tare da zurfafa fahimta da ƙarin bincike, filayen maganadisu na iya buɗe ƙarin sabbin abubuwa waɗanda za su canza yadda muke rayuwa da mu'amala da duniya.
