[单选题]
What is the power factor for a series RLC circuit containing a 50-W h*61t* zytar3e/jgbp oeae) h*4bt, gresistorn)noc jo8cw()o8lt*1 b c ;gq snze5-s, a 10-mF capacitor,c5oo1;t ewscsn gl8 )jzo(*n8)b n- cq and a 0.45-H inductor, when connected to a 60-Hz power supply?
