\(P_{\text{eff}} = V_{\text{eff}} \:.\: I_{\text{eff}} \:.\: \cos \theta\)
\(P_{\text{eff}} = I_{\text{eff}}^2 \:.\: R\)
Faktor daya
\(\cos \theta = \dfrac {R}{Z} = \dfrac {V_R}{V}\)
\(P_{\text{eff}} = V_{\text{eff}} \:.\: I_{\text{eff}} \:.\: \cos \theta\)
\(P_{\text{eff}} = I_{\text{eff}}^2 \:.\: R\)
Faktor daya
\(\cos \theta = \dfrac {R}{Z} = \dfrac {V_R}{V}\)