阻值分别为R和2R的两只电阻串联后接入电路,则阻值小的电阻发热量是阻值大的电阻发热量的( )倍。
发布时间:2026-01-24
A.1
B.1/2
C.2
D.1/3
试卷相关题目
-
SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69473' and id < 4501172 and id<>'4501172' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69473' and id > 4501172 and id<>'4501172' order by id asc limit 5
湘公网安备:43011102000856号 
