如图是将滑动变阻器作分压器用的电路，A，B为分压器的输出端，若把变阻器的滑动片P移到变阻器正中央，下列判断正确的是（  ）

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15524' and id < 2638088 and id<>'2638088' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='15524' and id > 2638088 and id<>'2638088' order by id asc limit 5