摘要
论证了F_e=∫_VE_外ρ_edV=∫_VE_总ρ_edV,并讨论了何时用哪个积分式方便.
The formula Fe=∫vE外ρedV=∫vE总ρedV is proved, and which integral formula is more convenient in specific occasions is discussed.
出处
《物理与工程》
2007年第1期22-24,共3页
Physics and Engineering
关键词
外电场
内电场
总电场
external electric field
inner electric field
total electric field