题目内容
两耦合电感串联接在某正弦电压源上,已知电阻不计,正弦电压源的电压有效值不变,则两者反向串联时的电流为顺向串联时电流的()倍。
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32674' and id < 2599247 and id<>'2599247' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32674' and id > 2599247 and id<>'2599247' order by id asc limit 5