RL电路的零状态响应，电感电压随时间按指数规律（    ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68466' and id < 4420837 and id<>'4420837' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68466' and id > 4420837 and id<>'4420837' order by id asc limit 5