若某一电路的端电压=20∠30°V，非关联参考方向的电流=20∠-120°A，则该电路的等效复阻抗Z=（   ）W。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69470' and id < 4499531 and id<>'4499531' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69470' and id > 4499531 and id<>'4499531' order by id asc limit 5