charge plastic ruler可唔可以用by sharing,induction?
要charge insulator 除左rubbing,冇第二個方法?
electrostatic
2007-04-17 5:51 am
回答 (1)
2007-04-17 6:43 am
✔ 最佳答案
charge plastic ruler 用sharing, inducting都應該唔得因為plastic 係insulator, 如果佢可以charged by sharing/induction,,
咁當d metal ball 有charge 時下面gei stand都應該可以被charge
至於要charge insulator,,
因為一個insulator 要being charged 要有energy provided to the electrons
令佢地甩出黎,,
所以我諗除左rubbing,, 應該冇方法可以charge 到佢
[just i think]
參考: me^^
收錄日期: 2021-04-12 21:53:18
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https://hk.answers.yahoo.com/question/index?qid=20070416000051KK04818