FormationSayniska

Waa maxay khadadka magnetic field

Shaki la'aan, khadadka duurka oo duurka ku magnetic waxaa hadda loo yaqaan dhammaan. Ugu yaraan dugsiga muujiyaan muujinta on casharo physics ah. Xusuusnow, sida macallin hoos warqad kaalinta magnet joogto ah (ama xataa laba, isku orientation ee ulaha ay), iyo sare ee ku rusheeyey diiwaan gelintii bir ah in daraasad ah ee tababarka shaqada? Waa wax iska cad in biraha lahaa in la sii hayo on xaashida, laakiin waxaa jiray wax la yaab leh - khadadka si cad u ogan weheliyaan oo iyadoo Jilib Xidhan balka. Fiiro gaar ah - ma si isku mid ah oo nabrahoodii. Tani waa khadadka magnetic field. Saas ma aha, ee ay ka muuqan. Maxaa dabadeed dhacay iyo sida Waan sharrixi karaa?

Bal aan ka bilowno meel fog. Si wadajir ah noo leh oo adduunka ah jirka la arki karo coexists nooca gaarka ah ee arrinta - duurka ku magnetic. Waxay bixisaa interface dhaqdhaqaaqa qayb hoose ama hay'adaha waaweyn isagoo lacag koronto, ama dabiici ah daqiiqad magnetic. ifafaale Electric iyo magnetic aan isku xidhan oo kaliya kasta oo kale, laakiin inta badan isku dhalin. Tusaale ahaan, silig on taas oo hadda korontada abuuraa beer magnetic laftiisa ku dhawaad line. Taa waxaa ka duwan, gaadhista talantaalli ah beeraha magnetic on a loop tabinta xiran waxay abuurtaa dhaqdhaqaaqa sidayaal lacag. hantida dambe waxaa loo isticmaalaa in matoorrada ah in ay soo gudbiyaan korontada dhammaan macaamiisha. Tusaale ahaan A duwanyihiin ee beeraha electromagnetic - iftiinka.

The khadadka magnetic field waxaa wareejiyo agagaarka kaari ama, kaas oo sidoo kale waa run, lagu gartaa jihada dulinka induction magnetic. Direction ee wareeg waxaa lagu go'aamiyaa qaanuunka ee suulka. Qeexan yihiin line a - shir a, tan iyo berrinka ku faafaa si siman jiho kasta. Waxa ugu waa in ay matali karaa sida tiro aan la koobi karayn of khadadka, qaar ka mid ah kuwaas oo xoogooda ka sii fahmayaan. Taasi waa sababta qaar ka mid ah "khadadka" ayaa bayaan loo arkaa in tijaabo la magnet ah iyo diiwaan gelintii. Waa maxay xiiso leh, khadadka magnetic field marnaba la kala gooyey doonaa, sidaas darteed ma dhihi karno waa hubaal halkaas oo uu bilaabo iyo halka uu dhamaado.

In the case of magnet joogto ah (electromagnet ama la mid ah), waxaa mar walba jira laba ulo, affectionately la yiraahdo North iyo South. Ayaa sheegay in khadadka waa ay dhacdo in this - waxaa siddo oo magacda, isku xidha labada ulo. Mararka qaar waxaa la tilmaamay in marka la eego monopoles lalana, laakiin ka dibna waxaa jira khilaaf ah, sida laga soo xigtay taas oo ma suurtowdo in monopole kala qaybiyaan. Taasi waa, wax isku day magnet hogaanka horyaalka heerka in soo bixitaanka of dhowr qaybood cirifoodka.

xiiso weyn waa hantida ka mid ah khadadka xoog. On sii socodka aynu hore u sheegay, laakiin xiisaha la taaban karo waa awooda si ay u abuuraan ee kaari ee ciidamada electromotive (EMF), cidhibta ah taas oo ah koronto. macnaha waa sida soo socota: marka laymanka tabinta circuit gudbay by xoogga field magnetic (ama guuro kaari ee beer magnetic), electrons ku falagiisuu dhex dibadda wax atamka xidhiidhaa tamar dheeraad ah, iyaga oo awood si ay u bilaabaan ah dhaqdhaqaaqa jiho madax-bannaan. Waxaan dhihi karnaa in haddii duurka ku magnetic 'furmay' Qurub lagu eedeeyay ka daaqaddii baraf. Tani waxay ifafaale loo yaqaan induction ku electromagnetic iyo hadda waa habka ugu weyn ee soo saara tamarta hoose korontada. Waxaa la ogaaday in experimentally 1831 by jirka Ingiriiska Michael Faraday.

Daraasadda ku saabsan beeraha magnetic bilaabay in 1269, markii P. Peregrine helay dhexgalka ee magnet goobaabin la cirbadaha bir. Ku dhawaad 300 oo sano ka dib UG Colchester soo jeediyay in caalamka laftiisa waa magnet weyn adigoo laba ulaha. ifafaale loo yaqaan dheeraad ah cilmibaadhe oo magnetic ah ayaa bartay sida Lorentz, Maxwell, Ampere, iwm Einstein.

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