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15问答网 > 线圈匀速转动切割.线圈平面与磁感线平行时感应电动势最大,公式的推导

线圈匀速转动切割.线圈平面与磁感线平行时感应电动势最大,公式的推导

谢谢，详细些

2025-04-05 12:53:03

推荐回答（1个）

回答1：

假设线圈从中性面开始匀速转动,角速度ω半径r有效切割长度l（默认为矩形线圈） E=ΔΦ/Δt =nBΔS/Δt =nBlvtSinωt/t =nBlvSinωt =nBlωrSinωt=nBSωSinωt
可见当Sinωt=1 时，即偏转角为π/2 垂直于中性面时E最大。此时线圈平面与磁感线平行。

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