物理匀强电场概念题求帮忙……在等边三角形ABC的顶点BC处各放一个点电荷时,测得顶点A处的电场强度为E ,方向与BC边平行指向右,若拿走C处的点电荷,则A处的电场强度将是()答案是 大小仍为E
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![物理匀强电场概念题求帮忙……在等边三角形ABC的顶点BC处各放一个点电荷时,测得顶点A处的电场强度为E ,方向与BC边平行指向右,若拿走C处的点电荷,则A处的电场强度将是()答案是 大小仍为E](/uploads/image/z/6228725-5-5.jpg?t=%E7%89%A9%E7%90%86%E5%8C%80%E5%BC%BA%E7%94%B5%E5%9C%BA%E6%A6%82%E5%BF%B5%E9%A2%98%E6%B1%82%E5%B8%AE%E5%BF%99%E2%80%A6%E2%80%A6%E5%9C%A8%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E7%9A%84%E9%A1%B6%E7%82%B9BC%E5%A4%84%E5%90%84%E6%94%BE%E4%B8%80%E4%B8%AA%E7%82%B9%E7%94%B5%E8%8D%B7%E6%97%B6%2C%E6%B5%8B%E5%BE%97%E9%A1%B6%E7%82%B9A%E5%A4%84%E7%9A%84%E7%94%B5%E5%9C%BA%E5%BC%BA%E5%BA%A6%E4%B8%BAE+%2C%E6%96%B9%E5%90%91%E4%B8%8EBC%E8%BE%B9%E5%B9%B3%E8%A1%8C%E6%8C%87%E5%90%91%E5%8F%B3%2C%E8%8B%A5%E6%8B%BF%E8%B5%B0C%E5%A4%84%E7%9A%84%E7%82%B9%E7%94%B5%E8%8D%B7%2C%E5%88%99A%E5%A4%84%E7%9A%84%E7%94%B5%E5%9C%BA%E5%BC%BA%E5%BA%A6%E5%B0%86%E6%98%AF%28%29%E7%AD%94%E6%A1%88%E6%98%AF+%E5%A4%A7%E5%B0%8F%E4%BB%8D%E4%B8%BAE)
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