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Daga yadda ake kula amfani da tsari don kula shirya hanyoyi idan akwai sanya da zahiri amma ba a bayyana rikitaru ko takamta?

Encyclopedia
فیلڈ: Dakilin ƙasashen ilimi
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China

Kwa Sisimai DC (Tumfani Nafsi na Votaji)


A cikin sisimai mai zurfi (DC), nafsin P (a watts), votajin V (a volts), da kuma nisa (a amperes) suna haɗa da tushen P=VI


Idan an san nafsin P da votajin V, za a iya kula nisa tare da tushen I=P/V. Misali, idan wata zafi mai DC yana nafsi 100 watts kuma ana gudanar da shi zuwa votaji 20-volt, yana nisan I=100/20=5 amperese.


A cikin sisimai mai yawa (AC), muna bincike da nafsin da ba suka faduwa S (a volt-amperes), votajin V (a volts), da kuma nisa I (a amperes). Tushen ya shafi S=VI.Idan an san nafsin da ba suka faduwa S da votajin V, za a iya kula nisa tare da tushen I=S/V.


Misali, idan wata sisimai AC yana nafsi da ba suka faduwa ta 500 VA kuma ana gudanar da shi zuwa votaji 100-volt, yana nisan I=500/100=5 amperes.


Yana da kyau a lura cewa a cikin sisimai AC, idan muna son samun nafsin da yake (a watts) P da kuma muna son kula cosa , tushen da ke dacewa a kan nafsin da yake P, nafsin da ba suka faduwa S, da kuma nafsin da yake S=Pcosa  . Saboda haka, idan an san P,V da  cosa, za a iya kula S=P/cosa, sannan I=S/V=P/Vcosa.


Ba da kyau kuma kara mai rubutu!

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