Tsayayyar juriya Mecece kuma menene lissafinta?

Lokacin da muke da resistors da yawa a cikin da'irar lantarki, da m juriya, ya zama resistor guda ɗaya wanda zai iya maye gurbin duk sauran a cikin madaidaicin da'irar. Idan kuna son ƙarin sani game da wannan, ci gaba da karantawa don sanin komai game da M juriya da lissafinsa.

juriya-daidai-2

Lissafi don juriya daidai a cikin jerin.

Menene juriya daidai?

Dole ne mu tuna cewa ƙimar juriya na lantarki, dangane da abin da aka ambata, don yin daidaitaccen gaske, dole ne ya zama irin ƙarfin lantarki, raƙuman ruwa da jimlar juriya na wasu kewaye daidai yake da na da'irar asali. tare da duk masu adawa na asali, don haka sune sharuɗɗan don su zama daidai daidai.

Hakanan, dole ne ku tuna cewa madaidaicin juriya na lantarki shine ainihin juriya guda ɗaya wanda ke maye gurbin wasu don sauƙaƙe lissafin cikin da'irori. Sabili da haka, ƙwarewar lissafi ce ta hanyar da za a iya yin nazarin halayen da'irar ta wani mai sauƙi tare da resistor ɗaya.

M resistors a jerin

Idan muna da kewaye tare da masu adawa biyu ko fiye a cikin jerin yana daidai da wani tare da resistor guda ɗaya wanda ƙimar sa shine jimlar duk masu adawa a cikin jerin kuma za a kira shi Daidaitan Maɓalli. Idan, alal misali, an gabatar da mu tare da 3 resistors a cikin jerin kamar yadda a cikin hoton da ya gabata, don yin lissafin kwatankwacin su ko jimillar su, kawai dole ne mu ƙara su:

  • Daidaita Re = 10 + 5 + 15 = 30Ω

Saboda haka ƙarfin lantarki zai kasance 6V. Daidaitan Re zai zama jimlar juriya na kewaye, kuma idan muka lissafa jimlar ƙarfin da'irar zai zama daidai da madaidaiciyar da'ira da ake kira madaidaiciyar da'ira. Ya zama dole a tuna cewa ta hanyar faɗi daidai, ba yana nufin iri ɗaya bane, sun bambanta amma madaidaitan madaidaiciya, tunda jimlar ƙarfin su, jimlar juriya da ƙarfin duka iri ɗaya ne.

A cikin madaidaicin da'irar, ana amfani da Dokar Ohm, ana samun jimlar halin yanzu a sakamakon, ana lissafin: I total = VT / Rt = 6/30 = 0,2A. Wannan zai zama iri ɗaya a cikin da'irori biyu. Don haka yanzu, don samun damar warware da'irar ta farko ya fi sauƙi, tunda mun san adadin ƙimar da'irar ke da daraja, godiya ga m juriya cewa mun lissafta ta hanyar da'irar ta biyu.

M juriya a layi daya

A cikin da'irori masu layi ɗaya, lissafin juriya zai zama mafi rikitarwa, amma ba don mutuwa ba. Idan muna da juriya iri ɗaya na resistors da yawa a layi ɗaya, dole ne mu lissafta shi tare da dabara:

  • Rt = 1/1-R1 + 1-R2 + 1-R3 +…

Kodayake yana da rikitarwa fiye da kasancewa cikin jerin, dole ne ya cika sharuɗɗan daidaitawa ta hanyar wannan dabara. Ta hanyar maye gurbin ƙimar R1, R2 da R3, ana lissafin juriya daidai; Daidaitaccen Re = 2,73, la'akari da cewa jimlar juriya a halin yanzu zai zama ƙasa da jerin.

juriya-daidai-1

Resistance a layi daya.

A gefe guda kuma, idan aka lissafa jimlar ƙarfin da'irar, lissafin da kuka ba mu zai zama daidai da na da'irar da ta gabata tare da tsayayyun 3: Itotal = Vt / Rt = 5 / 2,73 = 1,83A.

Yanzu zamu iya lissafa raƙuman ruwa a kowane matsayi a cikin da'irar farko tunda mun san ƙarfin lantarki a kowane reshe (5V a ciki saboda yana a layi ɗaya) kuma mun san juriya a cikin kowane reshe (R1, R2 ko R3).

  • I1 = V / R1; I2 = V / R2; I3 = V / R3; Jimlar ƙarfin 3 zai zama daidai da Itotal da aka lissafa a baya.

Idan wannan labarin ya taimaka muku, muna gayyatar ku don ganin ƙarin bayani game da kayan lantarki daga gidan yanar gizon mu, kamar Ikon al'ada Menene su kuma iri nawa ne? Hakanan zamu bar muku bidiyo mai zuwa don ƙarin koyo game da wannan batun.


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