线性含源一端口网络N如图所示,当R为10Ω时,其消耗的功率为22.5W,当R为20Ω时,其消耗的功率为20W,问R为( )时,获得最大功率。
发布时间:2025-12-04
A.5Ω
B.7Ω
C.8Ω
D.10Ω
试卷相关题目
-
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69435' and id < 4496597 and id<>'4496597' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69435' and id > 4496597 and id<>'4496597' order by id asc limit 5
湘公网安备:43011102000856号 
