在右图所示电路中，并已知安培表的读数为3A,则安培表的读数应为（） 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32673' and id < 2599123 and id<>'2599123' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32673' and id > 2599123 and id<>'2599123' order by id asc limit 5