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电动势公式
更新时间: 2021-05-09 04:49:32  

1、电路回路里面若不计电阻:E=IR总若计电阻:E=U内+U外=I(r+R)电磁感应里:1.计算平均电动势的通式:E=nのφ/のt n是线圈匝数,のφ/のt 磁通量的变化率。

2、导体杆垂直切割磁感线杆两端的电动势E=BLV杆旋转平面与磁场垂直两端的电动势E=BL^2w/2 w指杆的角速度。

3、线圈在磁场中绕垂直磁场的轴转动产生交流电通式:E=NBSwsinwt,中性面开始计时或E=NBSwcoswt,线圈平面平行磁场开始计时。

关键词: 电动势 公式

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