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10-RLC krugovi.pdf

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Struja u LR kruguPromjena jakosti struje kroz zavojnicu. Inducirana EMS samoindukcije:dIεL= −L dtIε L Uključivanje struje u strujnom krugu sazavojnicom nije trenutno.Promatramo strujni krug u kojem se nalaze otpornik R i zavojnicainduktivnosti L.Zatvaranje strujnog kruga. Porast struje (od 0 do I). U zavojnicise inducira EMS (suprotnog smjera od ε).2. Kirchoffovo pravilo dIε − L = RIdtε + ε L= RIdILdt= ε − RI : R(Uz pretpostavku R L = 0)L dIR dtε= −RI

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