一个初始电流为OA的电感元件，在换路瞬间可以等效为开路。（）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='32631' and id < 2594763 and id<>'2594763' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32631' and id > 2594763 and id<>'2594763' order by id asc limit 5