如图所示,A、B为体积可忽略的带电小球,QA=2×10-8C,QB=-2×10-8C,A、B相距3cm.在水平外电场作用下,A、B保持静止,悬线都沿竖直方向.试求:(1)外电场的场强大小和方向;(2)AB中点处总电场
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 22:32:01
![如图所示,A、B为体积可忽略的带电小球,QA=2×10-8C,QB=-2×10-8C,A、B相距3cm.在水平外电场作用下,A、B保持静止,悬线都沿竖直方向.试求:(1)外电场的场强大小和方向;(2)AB中点处总电场](/uploads/image/z/11272721-41-1.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2CA%E3%80%81B%E4%B8%BA%E4%BD%93%E7%A7%AF%E5%8F%AF%E5%BF%BD%E7%95%A5%E7%9A%84%E5%B8%A6%E7%94%B5%E5%B0%8F%E7%90%83%2CQA%EF%BC%9D2%C3%9710-8C%2CQB%EF%BC%9D%EF%BC%8D2%C3%9710-8C%2CA%E3%80%81B%E7%9B%B8%E8%B7%9D3cm.%E5%9C%A8%E6%B0%B4%E5%B9%B3%E5%A4%96%E7%94%B5%E5%9C%BA%E4%BD%9C%E7%94%A8%E4%B8%8B%2CA%E3%80%81B%E4%BF%9D%E6%8C%81%E9%9D%99%E6%AD%A2%2C%E6%82%AC%E7%BA%BF%E9%83%BD%E6%B2%BF%E7%AB%96%E7%9B%B4%E6%96%B9%E5%90%91.%E8%AF%95%E6%B1%82%EF%BC%9A%EF%BC%881%EF%BC%89%E5%A4%96%E7%94%B5%E5%9C%BA%E7%9A%84%E5%9C%BA%E5%BC%BA%E5%A4%A7%E5%B0%8F%E5%92%8C%E6%96%B9%E5%90%91%EF%BC%9B%EF%BC%882%EF%BC%89AB%E4%B8%AD%E7%82%B9%E5%A4%84%E6%80%BB%E7%94%B5%E5%9C%BA)
xVNfRۅ?'\)a7cdI;2IIHXib#6?ƥ,_zNb>=f$(4tz}ثL]ƛ^6>MVܤa~=nk]Z xPa_?'a(@߮kxQbN?|͋NL}7(1qzm%n+կf+4QJ{ VBiLFJugsW;mYSWG)Q{r|[P9ګ*)>ZpA*PA'YQ(^ɤ!P;aa9X+$tPQBdH$#<\5+Fe'D
ɺ
(6mSZ9`}dNܝNmq7V3(G