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範例:帶電環之電位與作功

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.

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By admin – 2010 年 03 月 09 日

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