.图示电路电流I等于（   ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69505' and id < 4502678 and id<>'4502678' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69505' and id > 4502678 and id<>'4502678' order by id asc limit 5