A.工作電流 B.額定電流 C.過載電流 D.欠載電流
A.5,100,π/6 B.5√2,100πt,-π/6 C.-5√2,100πt,-π/6 D.5,100π,-π/6
A.瞬時值 B.最大值 C.平均值 D.有效值