电路如图所示，已知电容C可调，如果电容C增大，则电压表V的读数为（） 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32673' and id < 2599117 and id<>'2599117' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32673' and id > 2599117 and id<>'2599117' order by id asc limit 5