图中所示电路中，电路原处于稳态，t=0时刻，开关由1打向2，为（）。 

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32672' and id < 2598951 and id<>'2598951' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32672' and id > 2598951 and id<>'2598951' order by id asc limit 5