如图所示竖直绝缘墙壁上的Q处有一固定的质点A,Q正上方的P点用丝线悬挂另一质点B,A、B两质点因为带电而相互排斥,致使悬线与竖直方向成θ角,由于漏电使A、B两质点的带电量逐渐减小.在电荷
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![如图所示竖直绝缘墙壁上的Q处有一固定的质点A,Q正上方的P点用丝线悬挂另一质点B,A、B两质点因为带电而相互排斥,致使悬线与竖直方向成θ角,由于漏电使A、B两质点的带电量逐渐减小.在电荷](/uploads/image/z/9917170-34-0.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%E7%AB%96%E7%9B%B4%E7%BB%9D%E7%BC%98%E5%A2%99%E5%A3%81%E4%B8%8A%E7%9A%84Q%E5%A4%84%E6%9C%89%E4%B8%80%E5%9B%BA%E5%AE%9A%E7%9A%84%E8%B4%A8%E7%82%B9A%2CQ%E6%AD%A3%E4%B8%8A%E6%96%B9%E7%9A%84P%E7%82%B9%E7%94%A8%E4%B8%9D%E7%BA%BF%E6%82%AC%E6%8C%82%E5%8F%A6%E4%B8%80%E8%B4%A8%E7%82%B9B%2CA%E3%80%81B%E4%B8%A4%E8%B4%A8%E7%82%B9%E5%9B%A0%E4%B8%BA%E5%B8%A6%E7%94%B5%E8%80%8C%E7%9B%B8%E4%BA%92%E6%8E%92%E6%96%A5%2C%E8%87%B4%E4%BD%BF%E6%82%AC%E7%BA%BF%E4%B8%8E%E7%AB%96%E7%9B%B4%E6%96%B9%E5%90%91%E6%88%90%CE%B8%E8%A7%92%2C%E7%94%B1%E4%BA%8E%E6%BC%8F%E7%94%B5%E4%BD%BFA%E3%80%81B%E4%B8%A4%E8%B4%A8%E7%82%B9%E7%9A%84%E5%B8%A6%E7%94%B5%E9%87%8F%E9%80%90%E6%B8%90%E5%87%8F%E5%B0%8F.%E5%9C%A8%E7%94%B5%E8%8D%B7)
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