I read it wrong because once I saw radiated power (wrong

來源: RomaVacation 於 2024-01-03 14:42:54 [檔案] [舊帖] [給我悄悄話] 本文已被閱讀：次 (479 bytes)

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回答: 向物理教授和愛好people 請教一題，Google chagpt no use lol 由 RomaVacation 於 2024-01-03 10:50:59

wording) I thought he used

Yes it is correct so I changed the posting title.

Use derivative of energy -m B to get force is wrong.

Use I L B to calculate force is quite tricky but possible. Need non Z direction B component.

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