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一半徑為R的固定圓環上,均勻分佈正電荷+Q,過環心O而垂直環面的軸線上有一點P,且,欲將質量為m,帶電量-q的電荷,由O點移至P點,至少須作功多少?【84雄女】
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Posted in 電位能與電位.
Tagged with 作功, 功能定理, 荷電連續體, 電位.
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By admin – 2010 年 03 月 09 日
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