如下图所示电路正处于谐振状态，闭合S后，电压表V的读数将（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69471' and id < 4499917 and id<>'4499917' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69471' and id > 4499917 and id<>'4499917' order by id asc limit 5