题目内容
平行板电容器二板相距0.1m,将如图变化的电压加在二板上,当在t=0时,电子从二板中央平行于板射入板间的匀强电场中,电子通过电场刚好从一板边缘飞出电场.求:
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115701984786.gif)
(1)电子进入电场1×
s偏离射入方向多大?
(2)电子通过电场的过程中动能增加多少?(电子电量1.6×
c,质量9.1×
kg)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115701984786.gif)
(1)电子进入电场1×
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115702000125.gif)
(2)电子通过电场的过程中动能增加多少?(电子电量1.6×
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115702031137.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115702047135.gif)
(1)
(2)![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115702078313.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115702078497.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824115702078313.gif)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241157020934448.gif)
![](http://thumb2018.1010pic.com/images/loading.gif)
练习册系列答案
相关题目
题目内容