【摘要】 电象法中可以用象电荷等效代替导体表面的感应电荷计算原电荷所在区域的电势,但再用电势能公式W=QΦ计算电势能时,却导致错误的结果。本文讨论了出现这个问题的原因,并提出了计算电势能的方法。更多还原

【Abstract】 In the image-charge method, the potential of the area in which the original charge is located, can be calculated by means of substituting the charge in the surface of the conductor by image charge . But the formula W = O 45 used to calculate the electrostatic energy will lead to a wrong result. The reason is discussed in this paper and a new way to obtain the electrostatic potential energy is proposed.更多还原