变压器带容性负载运行时，副边电压随负载电流增大而升高，主要是因为（  ）？（0.5）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id < 4494860 and id<>'4494860' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69421' and id > 4494860 and id<>'4494860' order by id asc limit 5