试题详情

交流电路,电压u=100√2sin(ωt-30°)V,电流i=10√2sin(ωt-90°)A,则(____)。

AP=500W$;$S=1000VA$;$Q=866var$;$P=1000W

BP=500W$;$S=1000VA$;$Q=866var$;$P=1000W

CP=500W$;$S=1000VA$;$Q=866var$;$P=1000W

DP=500W$;$S=1000VA$;$Q=866var$;$P=1000W