有一电中性的金属球,左边有一点电荷+q,则金属球左端产生负电荷,右端产生正电荷,然后接地,问 (1)接地前正负电荷的量分别是多少?(2)接地后电荷是怎样变化的?(3)接地后都有哪种电荷?(4)接地
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![有一电中性的金属球,左边有一点电荷+q,则金属球左端产生负电荷,右端产生正电荷,然后接地,问 (1)接地前正负电荷的量分别是多少?(2)接地后电荷是怎样变化的?(3)接地后都有哪种电荷?(4)接地](/uploads/image/z/6579087-15-7.jpg?t=%E6%9C%89%E4%B8%80%E7%94%B5%E4%B8%AD%E6%80%A7%E7%9A%84%E9%87%91%E5%B1%9E%E7%90%83%2C%E5%B7%A6%E8%BE%B9%E6%9C%89%E4%B8%80%E7%82%B9%E7%94%B5%E8%8D%B7%EF%BC%8Bq%2C%E5%88%99%E9%87%91%E5%B1%9E%E7%90%83%E5%B7%A6%E7%AB%AF%E4%BA%A7%E7%94%9F%E8%B4%9F%E7%94%B5%E8%8D%B7%2C%E5%8F%B3%E7%AB%AF%E4%BA%A7%E7%94%9F%E6%AD%A3%E7%94%B5%E8%8D%B7%2C%E7%84%B6%E5%90%8E%E6%8E%A5%E5%9C%B0%2C%E9%97%AE+%281%29%E6%8E%A5%E5%9C%B0%E5%89%8D%E6%AD%A3%E8%B4%9F%E7%94%B5%E8%8D%B7%E7%9A%84%E9%87%8F%E5%88%86%E5%88%AB%E6%98%AF%E5%A4%9A%E5%B0%91%3F%282%29%E6%8E%A5%E5%9C%B0%E5%90%8E%E7%94%B5%E8%8D%B7%E6%98%AF%E6%80%8E%E6%A0%B7%E5%8F%98%E5%8C%96%E7%9A%84%3F%283%29%E6%8E%A5%E5%9C%B0%E5%90%8E%E9%83%BD%E6%9C%89%E5%93%AA%E7%A7%8D%E7%94%B5%E8%8D%B7%3F%284%29%E6%8E%A5%E5%9C%B0)
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