(2009)正弦交流电压的波形图如图所示，该电压的时域解析表达式为：A.u(t)=155.56sin(wt-5°)VB.u(t)=110sin(314

发布时间：2021-02-14 12:40:55

1.[](2009)正弦交流电压的波形图如图所示，该电压的时域解析表达式为： A.u(t)=155.56sin(wt-5°)V B.u(t)=110sin(314t-90°)V C.u(t)=110sin(50t+60°)V D.u(t)=155.6sin(314t-60°)VABCD