用结点电压法求下图所示电路中的电流I0=（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69471' and id < 4499872 and id<>'4499872' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69471' and id > 4499872 and id<>'4499872' order by id asc limit 5