某元件关联方向的电压和电流分别为V，A则电路阻抗Z=（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69470' and id < 4499492 and id<>'4499492' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69470' and id > 4499492 and id<>'4499492' order by id asc limit 5