如下图所示的电路,L是小灯泡,C是极板水平放置的平行板电容器.有一带电油滴悬浮在两极板间静止不动.若滑动变阻器的滑片向下滑动,则A.L变亮 B.L变暗C.油滴向上运动 D
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![如下图所示的电路,L是小灯泡,C是极板水平放置的平行板电容器.有一带电油滴悬浮在两极板间静止不动.若滑动变阻器的滑片向下滑动,则A.L变亮 B.L变暗C.油滴向上运动 D](/uploads/image/z/2336186-2-6.jpg?t=%E5%A6%82%E4%B8%8B%E5%9B%BE%E6%89%80%E7%A4%BA%E7%9A%84%E7%94%B5%E8%B7%AF%2CL%E6%98%AF%E5%B0%8F%E7%81%AF%E6%B3%A1%2CC%E6%98%AF%E6%9E%81%E6%9D%BF%E6%B0%B4%E5%B9%B3%E6%94%BE%E7%BD%AE%E7%9A%84%E5%B9%B3%E8%A1%8C%E6%9D%BF%E7%94%B5%E5%AE%B9%E5%99%A8%EF%BC%8E%E6%9C%89%E4%B8%80%E5%B8%A6%E7%94%B5%E6%B2%B9%E6%BB%B4%E6%82%AC%E6%B5%AE%E5%9C%A8%E4%B8%A4%E6%9E%81%E6%9D%BF%E9%97%B4%E9%9D%99%E6%AD%A2%E4%B8%8D%E5%8A%A8%EF%BC%8E%E8%8B%A5%E6%BB%91%E5%8A%A8%E5%8F%98%E9%98%BB%E5%99%A8%E7%9A%84%E6%BB%91%E7%89%87%E5%90%91%E4%B8%8B%E6%BB%91%E5%8A%A8%2C%E5%88%99A%EF%BC%8EL%E5%8F%98%E4%BA%AE+++++++++++++++B%EF%BC%8EL%E5%8F%98%E6%9A%97C%EF%BC%8E%E6%B2%B9%E6%BB%B4%E5%90%91%E4%B8%8A%E8%BF%90%E5%8A%A8++++++++D)
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