Fahimtar Ƙarfin Wutar Lantarki
Kamar yadda aka yi nazari a sashen aiki da makamashi, an bayyana iko a matsayin aikin da aka yi a cikin wani takamaiman lokaci. Aiki shine tsarin canza makamashi, don haka ana iya fahimtar iko a matsayin canjin makamashi a cikin wani takamaiman lokaci.
Ƙarfin lantarki shine canjin makamashin lantarki a cikin wani takamaiman lokaci. Tattaunawar da aka yi kan ƙarfin lantarki ta bayyana cewa canje-canje a cikin ƙarfin lantarki yana faruwa ne lokacin da cajin lantarki ya ratsa ta cikin bambancin ƙarfin lantarki.
Tsarin dabara
A lissafi, canjin makamashin wutar lantarki (ΔEP) yana daidai da cajin (Q) da ƙarfin lantarki (V), wanda aka bayyana ta hanyar lissafin ΔEP = Q V. Ƙarfi shine canjin makamashin wutar lantarki a cikin wani lokaci, wanda aka bayyana ta hanyar lissafi ta hanyar lissafi ta hanyar lissafi ta hanyar lissafi ta hanyar lissafi 1 :
Cajin wutar lantarki da ke gudana a cikin wani takamaiman lokaci shine wutar lantarki , wanda aka bayyana ta hanyar lissafi ta hanyar lissafin I = Q/t. Ana iya canza daidaiton 1 zuwa lissafi na 2 :
Dangane da waɗannan daidaito guda biyu, za a iya kammala da cewa canje-canje a cikin makamashin lantarki a cikin wani lokaci yana faruwa ne lokacin da wutar lantarki ta ratsa wani bambancin ƙarfin lantarki. Ƙarfin yana daidai da ƙarfin wutar lantarki da ƙarfin wutar lantarki. Saboda haka, idan wutar lantarki da/ko ƙarfin wutar lantarki suka ƙaru, wutar ma tana ƙaruwa.
Idan wutar lantarki tana gudana ta cikin resistor, ana ƙididdige wutar ta amfani da lissafi na 3 ko lissafi na 4.
Naúrar
Dangane da lissafi na 1 , sashin makamashi na Tsarin Duniya shine Joule kuma sashin lokaci na Tsarin Duniya shine na biyu, don haka sashin iko shine Joule/daki, wanda aka taƙaita shi azaman J/s. Joule/daki ana kuma kiransa Watt. Watt 1 = Joule 1/daki.
Dangane da lissafi na 2 , naúrar ƙarfin lantarki ita ce Volt kuma naúrar ƙarfin lantarki ita ce Ampere don haka naúrar ƙarfin lantarki ita ce Volt Ampere, wanda aka taƙaita shi azaman VA.
