下图所示电路中，电流则Ω电阻两端电压的有效值为（)。 

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32635' and id < 2595029 and id<>'2595029' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32635' and id > 2595029 and id<>'2595029' order by id asc limit 5