An integral approach to electric field of charges on spherical surface with cosine distribution

ZHANG Zhi-liang; ZHENG Yao; CHI Cheng; HU Bing-lu

doi:10.16854 /j.cnki.1000-0712.170216

College Physics >

2018 , Vol. 37 >Issue 3: 6 - 8

DOI: https://doi.org/10.16854 /j.cnki.1000-0712.170216

An integral approach to electric field of charges on spherical surface with cosine distribution

ZHANG Zhi-liang ,
ZHENG Yao ,
CHI Cheng ,
HU Bing-lu

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Department of Physics，Zhejiang Normal University，Jinhua，Zhejiang 321004，China

Received date: 2017-04-21

Revised date: 2017-10-30

Online published: 2018-03-20

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Abstract

The electric field of charges on spherical surface with cosine distribution ( σ=σ0cos 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.

Key words： charges on spherical surface; cosine distribution; solid angle; integral method

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ZHANG Zhi-liang , ZHENG Yao , CHI Cheng , HU Bing-lu . An integral approach to electric field of charges on spherical surface with cosine distribution[J]. College Physics, 2018 , 37(3) : 6 -8 . DOI: 10.16854 /j.cnki.1000-0712.170216

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