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範例:運動電荷在磁場中的圓周運動[71日大]

設有一垂直指向紙內之均勻磁場B；如有一動量為p之質子平行紙面以45度之角進入此磁場，如圖所示。若質子在磁場中所受力之大小為F，速度為v，離開磁場位置及進入磁場位置之距離為x，則F,x為何？[71日大]


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Posted in 歷屆物理考題, 運動電荷在磁場中的運動.

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By admin – 2010 年 03 月 22 日

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