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如圖:磁場方向垂直於紙面(圖中沒畫出),磁感應強度為B.N匝矩形線圈繞垂直於磁場的軸勻速轉動,角速度是ω.線圈面積是S.那麼,從圖示位置開始計時,t時刻AB邊切割磁感線產生的感應電動勢為:E=NBL1*v*sinωt,其中v=ω*…
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