effective voltageとは意味:実効電圧{じっこう でんあつ} effective voltage meaning:[Electronics] Symbol, Eeff . The root-meansquare value of alternating-current (ac) voltage (see EFFECTIVE VALUE). For a sinusoidal voltage, E eff = 0.707 E max , where Emax is the m...effective voltage перевод:действующее [эффективное] напряжение