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Bambanci tsakanin juriya da matosai mara juriya

2025-10-21

Juriya walƙiya yana nufin juriya a cikin kewayawa tsakanin tsakiyar lantarki da toshe tasha. Dangane da ma'auni, tartsatsin walƙiya tare da ƙimar juriya ƙasa da 2Ωan ayyana su azaman matosai mara ƙarfi; waɗanda ke da ƙimar juriya tsakanin 1-12 kΩan ayyana su azaman juriya walƙiya. Duk sauran fitulun walƙiya, sai dai idan a cikin yanayi na musamman, ana ɗaukar rashin dacewa. An tsara wasu matosai tare da ƙimar juriya na 10-20 kΩdon dalilai na musamman.

Juriyar ciki na filogin walƙiya yana aiki don kariya daga tsangwama na lantarki. Ana yin wannan ne ta hanyar buƙatun kare muhalli a ƙasashen da suka ci gaba (saboda haka kalmar "masu lalata tartsatsin yanayi"). Bugu da ƙari, tare da karuwar yawan injuna na zamani da kayan aikin lantarki da ke da alaka da su, filaye masu karfi na lantarki da ke haifar da tartsatsin wuta na iya yin tasiri mai tsanani, har ma da lalata, ga aikin wasu kayan aiki.

Gabaɗaya akwai hanyoyi guda biyu don ƙirƙirar juriya na ciki a cikin filogi mai walƙiya: ƙaƙƙarfan resistor da aka sanya a cikin filogi; da sintered, integral resistor. Ciki na yumbu na tsohon ba shi da iska fiye da na baya, yayin da bayyanar ya fi bambanta saboda rashin daidaituwa. Ko da a yanayin zafi mai girma, abubuwan da aka gyara suna kula da daidaiton launi mai kyau. Koyaya, yanayin aikace-aikacen su yana da iyaka, kuma sun dace da ƙananan injuna kawai. Masu walƙiya marasa juriya kuma suna amfani da waɗannan hanyoyin gyare-gyare guda biyu, waɗanda suka bambanta a cikin tsarin foda da kasancewar ko rashi na resistor. 

Maɓalli mai nuna alama don ƙwanƙwasa walƙiya shine aikin tsufa na resistor, wanda yawanci yana nufin ko ƙimar juriyar juriya ta ciki ta kasance a cikin keɓaɓɓen kewayon bayan lokacin amfani. Canjin juriya mai yawa yana nuna cewa ƙimar juriya na iya wuce ƙayyadadden kewayon juriya a cikin ƙayyadadden rayuwar ƙira. Juriya mai yawa ba kawai yana tasiri ga asarar makamashi na tsarin kunnawa ba, amma kuma yana rage ƙarfin tartsatsin wuta saboda yawan zafin jiki mai zafi, kai tsaye yana shafar rayuwar sabis. Don haka, ƙimar juriya mai tsayi tana da mahimmanci ga matosai. 

λ= (R0-R1)/R0 

Bidiyoyin da yawa suna amfani da girman walƙiya don tantance ingancin walƙiya, amma waɗannan ka'idodin tantancewa suna da gefe ɗaya. Ita kanta resistor abu ne mai cin makamashi, kuma ba makawa karfin tartsatsi irin na tartsatsin filogi ya yi rauni fiye da na filogi mara juriya.

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Bayan aikin tsufa, hanyar da ta fi dacewa don kimanta nau'in resistor-nau'in tartsatsin tartsatsi shine bincike na yanki. Yanke sashin resistor kai tsaye don bincika cika juriya na ciki da yawa kuma na iya bayyana inganci da amincin tsarin. Hakanan za'a iya tabbatar da amincin ta hanyar abubuwa kamar adadin naushi da matsi da aka yi amfani da su, ko akwai tsari mai nau'i uku, da kuma ko kayan haɗin haɗin ƙarfe ne, aluminum, ko ƙarfe. Abubuwa daban-daban sun dace da yanayin yanayin injin daban-daban. Ƙimar juriya ita ce kewayon kewayon fitattun tartsatsin wuta. Ƙimar juriya da aka kafa ta hanyar haɗin haɗin kayan ciki na ciki yana da alaƙa da tsayin daka da gefen haɗin kayan ƙarfe. Don haka, ƙimar juriya da aka auna ga kowane filogi ita ce daban. Koyaya, hankali da rarraba al'ada na ƙimar juriya gabaɗaya na nau'ikan samfuran iri ɗaya na iya nuna ingancin kayan aikin samarwa. Mafi kyawun daidaiton ƙimar juriya na walƙiya, mafi kyawun kwanciyar hankali na fitarwar wutar lantarki don injunan silinda da yawa. Koyaya, ba za a iya auna wannan aikin ta kayan aikin da ba na ƙwararru ba. A wasu kalmomi, a cikin ƙayyadadden kewayon juriya, babu wani bayyanannen bambanci a ƙimar juriya na kowane filogi na injin iri ɗaya. Misali, jujjuyawar gudu bayan daidaitawa, girman girgizar injin, da dai sauransu duk bambance-bambance ne na dabara. Idan kuna son samun samfur tare da ƙayyadadden ƙayyadaddun ƙimar juriya, zaku iya samun ta ta hanyar tantance ƙimar juriya.


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