Wareegga korantada ee biraha waa natiijo ka timid dhaqdhaqaaqa qaybaha korontada ku shaqeeya.
Aamusyada walxaha birta waxaa lagu gartaa jiritaanka elektaroonida - elektaroonnada gudaha qolka qarsoon ee atomiga ah ee xor u ah inay guuraan. Waa kuwan "electrons lacag la'aan ah" kuwaas oo u oggolaanaya biraha si loo isticmaalo tamarta korontada.
Sababtoo ah elektaroonida macaamiishu waa bilaash si ay u guuraan waxay ku safri karaan marinka qoryaha oo qaabeeya qaabdhismeedka jirka ee biraha.
Under meherad koronto ah, electrono lacag la'aan ah ayaa u wareegaya muraayad badan sida kubadaha bilawga ah ee isku garaacaya iyagoo isdhaafsanaya, iyagoo gudbinaya koronto marka ay guurto.
Wareejinta tamarta ayaa ah mid xoogan marka ay jirto iska caabin yar. On miiska bilawga ah, tani waxay dhacdaa marka kubbadu ay ku dhufato kubad kale, iyada oo badinta tamarta ay ku gudubto kubbada xiga. Haddii kubad kaliya ay ku dhufato kubbooyin kale, mid kasta oo ka mid ah waxay qaadi doonaan oo keliya qaybta tamarta.
Tijaabo la mid ah, kumbuyuutarrada ugu waxtarka leh ee korantadu waa dhuxul oo leh hal shidaal elektaroonig ah kaas oo xor u ah inuu u guuro oo sababo falcelin xoogan oo lagu qaado fiilooyinka kale ee elektarooniga ah. Tani waa koodhka ugu macquulsan, sida dahabiga , dahabka , iyo copper , oo mid waliba haysta elektarooni qalab kaas oo dhaqdhaqaaq yar oo iska caabisa oo keena falcelin xoog leh.
Maaddooyinka Semi-conductor (ama metalloids ) waxay leeyihiin tiro badan oo ah elektaroonida qiimaha (inta badan afar ama in ka badan), si kasta ha ahaatee, waxay awoodi karaan inay koronto qabtaan, waxay kufilanayaan hawsha.
Si kastaba ha noqotee, marka la kululeynayo ama la furay waxyaabo kale oo halbeegyo ah sida silicon iyo germanyium waxay noqon karaan kuwo aad u sarreeya ee korantada.
Qaadashada biraha waa in ay raacdaa Sharciga Ohm, taas oo sheegaysa in hadda uu si toos ah ugu tiirsan yahay beerta korontada ee lagu daboolay birta. Isbedelada muhiimka ah ee lagu dabaqayo Sharciga Ohm ayaa ah iska-caabbinta birta.
Resistivity waa ka soo horjeeda dabeecadda korontada, qiimeeynta sida adag ee biraha looga soo horjeedo socodka tamarta korontada. Tani waxaa badanaa lagu qiyaasi karaa wejiyada soo horjeeda oo ah halbeeg hal mitir oo maad ah oo lagu qeexay sidii mitir ohm (Ω⋅m). Badbaadinta waxaa inta badan matala warqadda Giriiga (ρ).
Kicinta korantada, dhinaca kale, ayaa sida caadiga ah lagu qiyaasay saameeyaha halkii mitir (S⋅m- 1 ) oo ay matalayaan warqadda Gacanka Giriiga (σ). Mid ka mid ah suxuuntu waxay u dhigantaa mid isku mid ah ohm.
Qabashada & Dareemaha ee Metals
Qalabka | Dulqaadasho | Qabashada |
|---|---|---|
| Silver | 1.59x10 -8 | 6.30x10 7 |
| Copper | 1.68x10 -8 | 5.98x10 7 |
| Copper Annealed | 1.72x10 -8 | 5.80x10 7 |
| Gold | 2.44x10 -8 | 4.52x10 7 |
| Aluminum | 2.82x10 -8 | 3.5x10 7 |
| Calcium | 3.36x10 -8 | 2.82x10 7 |
| Beryllium | 4.00x10 -8 | 2.500x10 7 |
| Roodi | 4.49x10 -8 | 2.23x10 7 |
| Magnesium | 4.66x10 -8 | 2.15x10 7 |
| Molybdenum | 5.225x10 -8 | 1.914x10 7 |
| Iridium | 5.289x10 -8 | 1.891x10 7 |
| Tungsten | 5.49x10 -8 | 1.82x10 7 |
| Zinc | 5.945x10 -8 | 1.682x10 7 |
| Cobalt | 6.25x10 -8 | 1.60x10 7 |
| Cadmium | 6.84x10 -8 | 1.46 7 |
| Nickel (Electrolytic) | 6.84x10 -8 | 1.46x10 7 |
| Ruthenium | 7.595x10 -8 | 1.31x10 7 |
| Lithium | 8.54x10 -8 | 1.17x10 7 |
| Birta | 9.58x10 -8 | 1.04x10 7 |
| Platinum | 1.06x10 -7 | 9.44x10 6 |
| Palladium | 1.08x10 -7 | 9.28x10 6 |
| Tin | 1.15x10 -7 | 8.7x10 6 |
| Selenium | 1.197x10 -7 | 8.35x10 6 |
| Tantalum | 1.24x10 -7 | 8.06x10 6 |
| Niobiyoon | 1.31x10 -7 | 7.66x10 6 |
| Qashin | 1.61x10 -7 | 6.21x10 6 |
| Chromium | 1.96x10 -7 | 5.10x10 6 |
| Lead | 2.05x10 -7 | 4.87x10 6 |
| Vanadium | 2.61x10 -7 | 3.83x10 6 |
| Uraniyaanka | 2.87x10 -7 | 3.48x10 6 |
| Antimoni * | 3.92x10 -7 | 2.55x10 6 |
| Zirkonium | 4.105x10 -7 | 2.44x10 6 |
| Titanium | 5.56x10 -7 | 1.798x10 6 |
| Mercury | 9.58x10 -7 | 1.044x10 6 |
| Germanium * | 4.6x10 -1 | 2.17 |
| Silicon * | 6.40x10 2 | 1.56x10 -3 |
* Fiiro gaar ah: Iskudhicii ka mid ah semiconductors (metalloids) ayaa si aad ah ugu tiirsan joogitaanka maqaarka ku jira maaddada.
Macluumaadka Wargelinta Warbixinta
Eddy Tiknoolajiyadda Wayn
URL: http://eddy-current.com/Conductivity-of-metals-sorted-by-resistivity/
Wikipedia: Dhaqdhaqaaqa korantada
URL: https://en.wikipedia.org/wiki/Electrical_conductivity