题目内容
单相桥式全控整流电路,=100V,负载中R=2Ω,L值极大,当α等于60°时,整流输出平均电压和流过晶闸管电流的有效值分别为()。
2020-12-16
A.30V,10A
B.30V,15.9A
C.45V,15.9A
D.45V,10A
试卷相关题目
SQL Error: select id,body,options from ***_enewstiku where sourceid='32649' and id < 2596000 and id<>'2596000' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32649' and id > 2596000 and id<>'2596000' order by id asc limit 5