The voltage of sinusoidal current for lighting is 220 V, what are its effective value and peak value?
The effective value of sinusoidal current and voltage is u = 220 V & nbsp; & nbsp; peak value um = 2 u = 220 V = 311 V & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; answer: the effective value and peak value are 220 V and 311 V respectively