如果三個rated'220V 30W'既燈泡connect in series to a 220V main supply會點?三個燈泡都會著定得一個會著?voltage across each light bulbs係幾多?
可唔可以幫我解埋phy 08 ce既paper2 22題?
THX!!
收錄日期: 2021-04-23 20:41:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090419000051KK00992