32. 有一電源的電壓為vs(t) =,此電源電壓的平均值 Vave與均方根值 Vrms 分別為: [自來水111](A)Vave = 50V,Vrms = 175V(B)Vave = 100V,Vrms =(C)Vave = 100V,Vrms = 125V(D)Vave = 100V,Vrms = 75V