Fleming's right hand rule 咩情況下先用得?
Lenz's law 係咪幾時都用得?
2006-11-18 11:09:33 · 2 個解答 · 發問者 2003 2 in 科學 ➔ 其他：科學
如果ｄ電流係因為有野郁而產生（唔係駁電）咁就可以用Fleming's right hand rule…
相反如果係駁電就用Fleming's left hand rule…
Lenz's law就幾時都用得…
因為係任何時候produce出黎既電流都會係oppose個motion既…
2006-11-19 15:44:47 · answer #1 · answered by Anonymous · 0⤊ 0⤋
又叫Generator Rule,即是有動作而產生電，就可以用
Lenz's Law:對，磁力線的密度改變就會產生電動勢
2006-11-18 12:27:33 · answer #2 · answered by ? 3 · 0⤊ 0⤋