题目内容
在图正弦稳态电路中,电流表的读数为
A,求U=( )V和I=( )A。
(0.5)
2025-11-29
A.50,1
B.50,3
C.70.7,1
D.70.7,3
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69423' and id < 4495238 and id<>'4495238' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69423' and id > 4495238 and id<>'4495238' order by id asc limit 5