求下图所示电路中电流I=（   ）A。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69474' and id < 4499642 and id<>'4499642' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69474' and id > 4499642 and id<>'4499642' order by id asc limit 5