一道物理题,为什么选A 那么C错在哪里如图(a)所示,平行金属板M、N放置在真空中,两板之间的距离为d,现将金属板M、N之间加上如图(b)所示的交变电压,板间可视为匀强电场.当t=0时,M板电势
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![一道物理题,为什么选A 那么C错在哪里如图(a)所示,平行金属板M、N放置在真空中,两板之间的距离为d,现将金属板M、N之间加上如图(b)所示的交变电压,板间可视为匀强电场.当t=0时,M板电势](/uploads/image/z/3512882-2-2.jpg?t=%E4%B8%80%E9%81%93%E7%89%A9%E7%90%86%E9%A2%98%2C%E4%B8%BA%E4%BB%80%E4%B9%88%E9%80%89A+%E9%82%A3%E4%B9%88C%E9%94%99%E5%9C%A8%E5%93%AA%E9%87%8C%E5%A6%82%E5%9B%BE%EF%BC%88a%EF%BC%89%E6%89%80%E7%A4%BA%2C%E5%B9%B3%E8%A1%8C%E9%87%91%E5%B1%9E%E6%9D%BFM%E3%80%81N%E6%94%BE%E7%BD%AE%E5%9C%A8%E7%9C%9F%E7%A9%BA%E4%B8%AD%2C%E4%B8%A4%E6%9D%BF%E4%B9%8B%E9%97%B4%E7%9A%84%E8%B7%9D%E7%A6%BB%E4%B8%BAd%2C%E7%8E%B0%E5%B0%86%E9%87%91%E5%B1%9E%E6%9D%BFM%E3%80%81N%E4%B9%8B%E9%97%B4%E5%8A%A0%E4%B8%8A%E5%A6%82%E5%9B%BE%EF%BC%88b%EF%BC%89%E6%89%80%E7%A4%BA%E7%9A%84%E4%BA%A4%E5%8F%98%E7%94%B5%E5%8E%8B%2C%E6%9D%BF%E9%97%B4%E5%8F%AF%E8%A7%86%E4%B8%BA%E5%8C%80%E5%BC%BA%E7%94%B5%E5%9C%BA.%E5%BD%93t%3D0%E6%97%B6%2CM%E6%9D%BF%E7%94%B5%E5%8A%BF)
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