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Karamin Kirki a Kawar da Matala da Kamar Daɗi

Encyclopedia
فیلڈ: Dakilin ƙasashen ilimi
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China

Makaranta na Tsari na Kirkiya


Tsari na kirkiya yana nufin tsari na karamin kasa da ke cikin fadada sararin kirkiya, wanda ake siffa da J.

 


Tushen Makaranta na Tsari na Kirkiya


A tafi tsari na kirkiya a kasuwa ana yi da J = I/A, idan I shine tsari da A shine fadada karamin kasa.

 


Yaki na Tsari a Semi-Kirkiya


A semi-kirkiyoyi, tsari na kirkiya yana jin da suka samun daga elektron da kuma zuba, wadanda suke yawo a hukuma mafi tsawon amma suke taimaka zuwa matsayin tsari.

 


Tsari na Kirkiya a Kasuwa


Sannu in bincika sararin kasuwa ta fadada 2.5 mm². Idan potenshinsa karamin kasa ya ba tsari da 3 A, tsari na kirkiya yana 1.2 A/mm² (3/2.5). Wannan yana haɗaƙi cewa tsari ya ci gaba da tsari. Saboda haka, tsari na kirkiya yana nufin tsari na karamin kasa da ke cikin fadada sararin kasuwa.

 


Tsari na kirkiya, wanda ake siffa da J, yana bayar da J = I/A, idan ‘I’ shine tsari da ‘A’ shine fadada karamin kasa. Idan N elektron suka shiga fadada a lokacin T, maka karamin kasa ya zama Ne, inda e shine karamin kasa na elektron a coulombs.

 


Daga baya, adadin karamin kasa da ke cikin fadada a lokacin lokaci yana ɗauke

 


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Idan N adadin elektron suna cikin L tsaye na kasuwa, maka konsentirashin elektron yana ɗauke

 


Daga baya, tunan da tushen (1) za mu iya rubuta,

 


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Saboda, N adadin elektron suna cikin L tsaye da suke shiga fadada a lokacin T, maka velositin girgirsa na elektron yana ɗauke,

 


Saboda haka, tushen (2) yana iya rubuta ne

 


Idan E electric field an sanar da kasuwar, maka velositin girgirsa na elektron yana ɗauke daɗi,

 


Inda, μ yana nufin mobiliti na elektron

 


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Tsari na Kirkiya a Semi-Kirkiya


Jami'ar tsari na kirkiya a semi-kirkiya yana jawo da tsari na kirkiya daga elektron da kuma zuba, wadanda suka samun mobiliti masu wahala.

 


Rashin Da Yake Da Conductivity


Tsari na kirkiya (J) yana kan conductivity (σ) da tushen J = σE, idan E shine intensiti na electric field.


Ba da kyau kuma kara mai rubutu!

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