题目内容
如图所示对称三相电路,电流表A的读数为1A(有效值)。由于故障,A相断开,即断开S,电流表A的读数为( )。
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69317' and id < 4487704 and id<>'4487704' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69317' and id > 4487704 and id<>'4487704' order by id asc limit 5