【摘要】 积分求解了余弦分布球面电荷(σ=σ0cosθ)的电场.首先合成场点所张立体角在球面所围的2个面元上电荷元的磁场,被积函数是容易积分的单变量三角函数.积分得到的总合成电场与已有结果相同.更多还原

【Abstract】 The electric field of charges on spherical surface with cosine distribution( σ = σ0 cos θ) is solved by the integral method. By composition of the electric fields of the charge elements on the two surface area elements enclosed by a solid angle at the field point at first,the resultant fields can be easily obtained. The results are the same with the existing ones.更多还原