全波整流 漣波因數 r% = 48%
漣波因數 r% = Vr(rms) / Vdc
0.48 = =Vr(rms)/Vdc
Vr(rms)=0.48×100=48V
Vr(m)=`sqrt(2)` Vr(rms) = `48sqrt(2)` V