下图所示对称三相电路中，已知：Z1=1+j2Ω，Z=5+j6Ω，。试求A相负载中相电流=（   ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69471' and id < 4499928 and id<>'4499928' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69471' and id > 4499928 and id<>'4499928' order by id asc limit 5