半径为r、电阻不计的两个半圆形光滑导轨并列竖直放置,在轨道左上方端点M、N间接有阻值为R的小电珠,整个轨道处在磁感强度为B的匀强磁场中,两导轨间距为L,现有一质量为m,电阻为R的金属棒
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/20 00:54:42
![半径为r、电阻不计的两个半圆形光滑导轨并列竖直放置,在轨道左上方端点M、N间接有阻值为R的小电珠,整个轨道处在磁感强度为B的匀强磁场中,两导轨间距为L,现有一质量为m,电阻为R的金属棒](/uploads/image/z/12273272-8-2.jpg?t=%E5%8D%8A%E5%BE%84%E4%B8%BAr%E3%80%81%E7%94%B5%E9%98%BB%E4%B8%8D%E8%AE%A1%E7%9A%84%E4%B8%A4%E4%B8%AA%E5%8D%8A%E5%9C%86%E5%BD%A2%E5%85%89%E6%BB%91%E5%AF%BC%E8%BD%A8%E5%B9%B6%E5%88%97%E7%AB%96%E7%9B%B4%E6%94%BE%E7%BD%AE%2C%E5%9C%A8%E8%BD%A8%E9%81%93%E5%B7%A6%E4%B8%8A%E6%96%B9%E7%AB%AF%E7%82%B9M%E3%80%81N%E9%97%B4%E6%8E%A5%E6%9C%89%E9%98%BB%E5%80%BC%E4%B8%BAR%E7%9A%84%E5%B0%8F%E7%94%B5%E7%8F%A0%2C%E6%95%B4%E4%B8%AA%E8%BD%A8%E9%81%93%E5%A4%84%E5%9C%A8%E7%A3%81%E6%84%9F%E5%BC%BA%E5%BA%A6%E4%B8%BAB%E7%9A%84%E5%8C%80%E5%BC%BA%E7%A3%81%E5%9C%BA%E4%B8%AD%2C%E4%B8%A4%E5%AF%BC%E8%BD%A8%E9%97%B4%E8%B7%9D%E4%B8%BAL%2C%E7%8E%B0%E6%9C%89%E4%B8%80%E8%B4%A8%E9%87%8F%E4%B8%BAm%2C%E7%94%B5%E9%98%BB%E4%B8%BAR%E7%9A%84%E9%87%91%E5%B1%9E%E6%A3%92)
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