electric field
2013-03-28 9:08 pm
A conducting sphere is charged with charges uniformly distributed on its surface. What is the electric field on its surface?
回答 (1)
2013-03-29 12:24 am
✔ 最佳答案
The charges Q will be evenly distributed on the spherical surface. Suppose p is the surface charge density, p = Q/(4.pi.R^2), where R is the radius of the sphere.Hence, electric field E = (1/(4.pi.e)).(Q/R^2) = (1/4.pi.e).(4.pi.R^2.p)/R^2
E = p/e
where e is the permittivity of free space.
收錄日期: 2021-04-29 17:48:14
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130328000051KK00107