求如图所示电路中电流i为（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69349' and id < 4489461 and id<>'4489461' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69349' and id > 4489461 and id<>'4489461' order by id asc limit 5