Dokokin Kirchhoff: ƙa'idodi na yau da kullun don ƙididdiga a cikin da'irorin lantarki

Dokokin Kirchhoff

Kamar Dokar Ohm, las Dokokin Kirchhoff Waɗannan su ne wasu mahimman ka'idoji na lantarki. Waɗannan dokokin suna ba mu damar nazarin ƙarfin lantarki da ƙarfin halin yanzu a cikin kumburi, wani abu mai mahimmanci don sanin ɓangarorin da'irorin.

Don haka idan kuna so sani kadan game da su, Ina gayyatarku da ku ci gaba da karanta wannan karatun gabaɗaya akan daidaitattun ƙididdigar lissafi da aikace-aikacensu a cikin da'irori na asali ...

Node, reshe, raga

Lokacin da kake nazarin kewaya zaku iya bambance tsakanin alamomin daban-daban na abubuwan, layin haɗawa, haɗi, da kuma nodes. Ana kiran na ƙarshen reshe ko raga.

Dokokin Kirchhoff suna aiki ne don nazarin kayan lantarki akan waɗannan nodes. Wato, a wuraren mahadar inda abubuwa biyu ko sama da haka suke hade. Misali, kamar yadda zaku iya gani a cikin babban hoton wannan labarin ...

Dokokin Kirchhoff

da Dokokin Kirchhoff Daidaito biyu ne ko daidaito ne wadanda suka danganci ka'idojin kiyaye makamashi da kuma caji da'irorin lantarki. Dukansu dokoki ana iya samun su kai tsaye ta hanyar samar da sanannun lissafin Maxwell, kodayake Kirchhoff ya faɗi haka.

Sunansu ya fito ne daga mai gano su, tunda an bayyana su a karon farko a cikin 1846 ta Gustav Kirchhoff. Kuma a halin yanzu ana amfani dasu sosai a cikin aikin injiniya lantarki da lantarki don sanin ƙarfin lantarki da halin yanzu a cikin ƙirar kewaye, kuma tare da Dokar Ohm, suna ƙirƙirar kayan aiki masu mahimmanci don bincike.

Dokar farko ko nodes

kumburi

«A kowane kumburi, adadin aljebra na ƙarfin da ya shiga cikin kumburi ya yi daidai da adadin algebraic na ƙarfin da ya bar shi. Daidai ne, jimillar dukkanin igiyoyin ruwa ta hanyar kumburi daidai yake da sifili.»

Ni = Ni1 + Ni2 + Ni3…

Na biyu doka ko meshes

raga

«A cikin rufaffiyar kewaya, jimillar dukkanin digirin lantarki ya yi daidai da wadataccen ƙarfin lantarki. Daidai, yawan algebraic na bambance-bambancen wutar lantarki a cikin da'ira daidai yake da sifili.".

-V1 + V2 + V = Na R1 + Na R2 + Na R3   = Na (R1 + R2 + R3)

Yanzu zaku iya fara amfani da waɗannan m dabarbari don samun cikakkun bayanai na halin yanzu da ƙarfin lantarki a cikin da'irorin ku ...


Abubuwan da ke cikin labarin suna bin ka'idodinmu na ka'idojin edita. Don yin rahoton kuskure danna a nan.

Kasance na farko don yin sharhi

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