上图所示电路中，欲使电路的功率因数λ=1,则为（）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32632' and id < 2594806 and id<>'2594806' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32632' and id > 2594806 and id<>'2594806' order by id asc limit 5