在正弦电路中R、L串联,且R≠0,L≠0时,以电流I为参考相量,其与总电压相位差
的范围是( )。
发布时间:2026-01-24
A.0<
<90°
B.
=90°
C.
=-90°
D.-90°<
<0
试卷相关题目
-
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69472' and id < 4500047 and id<>'4500047' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69472' and id > 4500047 and id<>'4500047' order by id asc limit 5
湘公网安备:43011102000856号 
