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(shí)值 B.最大值 C.平均值 D.有效值
A.磁感應(yīng) B.電磁感應(yīng) C.自感現(xiàn)象 D.互感現(xiàn)象