电磁感应物理题如图所示,矩形导线框abcd固定在水平面上,ab=L、bc=2L,整个线框处于竖直方向的磁感应强度为B的匀强磁场中.导线框上ab、cd段电阻不计,bc、ad段单位长度上的电阻为λ.今在导线框
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![电磁感应物理题如图所示,矩形导线框abcd固定在水平面上,ab=L、bc=2L,整个线框处于竖直方向的磁感应强度为B的匀强磁场中.导线框上ab、cd段电阻不计,bc、ad段单位长度上的电阻为λ.今在导线框](/uploads/image/z/6250541-5-1.jpg?t=%E7%94%B5%E7%A3%81%E6%84%9F%E5%BA%94%E7%89%A9%E7%90%86%E9%A2%98%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2C%E7%9F%A9%E5%BD%A2%E5%AF%BC%E7%BA%BF%E6%A1%86abcd%E5%9B%BA%E5%AE%9A%E5%9C%A8%E6%B0%B4%E5%B9%B3%E9%9D%A2%E4%B8%8A%2Cab%3DL%E3%80%81bc%3D2L%2C%E6%95%B4%E4%B8%AA%E7%BA%BF%E6%A1%86%E5%A4%84%E4%BA%8E%E7%AB%96%E7%9B%B4%E6%96%B9%E5%90%91%E7%9A%84%E7%A3%81%E6%84%9F%E5%BA%94%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.%E5%AF%BC%E7%BA%BF%E6%A1%86%E4%B8%8Aab%E3%80%81cd%E6%AE%B5%E7%94%B5%E9%98%BB%E4%B8%8D%E8%AE%A1%2Cbc%E3%80%81ad%E6%AE%B5%E5%8D%95%E4%BD%8D%E9%95%BF%E5%BA%A6%E4%B8%8A%E7%9A%84%E7%94%B5%E9%98%BB%E4%B8%BA%CE%BB.%E4%BB%8A%E5%9C%A8%E5%AF%BC%E7%BA%BF%E6%A1%86)
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