如何说明两个等量正电荷连线中点的电势为零(不为零)?不少书都认为不为零,但所给理由我认为不能信服
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![如何说明两个等量正电荷连线中点的电势为零(不为零)?不少书都认为不为零,但所给理由我认为不能信服](/uploads/image/z/8301696-24-6.jpg?t=%E5%A6%82%E4%BD%95%E8%AF%B4%E6%98%8E%E4%B8%A4%E4%B8%AA%E7%AD%89%E9%87%8F%E6%AD%A3%E7%94%B5%E8%8D%B7%E8%BF%9E%E7%BA%BF%E4%B8%AD%E7%82%B9%E7%9A%84%E7%94%B5%E5%8A%BF%E4%B8%BA%E9%9B%B6%EF%BC%88%E4%B8%8D%E4%B8%BA%E9%9B%B6%EF%BC%89%3F%E4%B8%8D%E5%B0%91%E4%B9%A6%E9%83%BD%E8%AE%A4%E4%B8%BA%E4%B8%8D%E4%B8%BA%E9%9B%B6%2C%E4%BD%86%E6%89%80%E7%BB%99%E7%90%86%E7%94%B1%E6%88%91%E8%AE%A4%E4%B8%BA%E4%B8%8D%E8%83%BD%E4%BF%A1%E6%9C%8D)
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