L与C串联电路中频率为
时感抗为20
,容抗为80
,如果将频率提高一倍,则串联电路的总电抗值为( )。
发布时间:2026-01-23
A.200
B.120
C.80
D.0
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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69471' and id < 4499854 and id<>'4499854' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69471' and id > 4499854 and id<>'4499854' order by id asc limit 5
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