半球面上的电荷量有多大?
收稿日期: 2020-12-23
修回日期: 2021-02-23
网络出版日期: 2021-09-24
How much charges on a hemisphere?
Received date: 2020-12-23
Revised date: 2021-02-23
Online published: 2021-09-24
邱为钢 . 半球面上的电荷量有多大?[J]. 大学物理, 2021 , 40(9) : 21 . DOI: 10.16854 / j.cnki.1000- 0712.200546
is expressed as infinite sums of Legendre functions in spherical coordinate. The electric charge density and total charges on the
hemisphere are derived. Calculation shows that the charge is infinite.
Key words: hemisphere; Legendre function; charge density
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