题目内容
电场中某区域的电场线分布如图所示,A、B为电场中的两点,若以EA、EB分别表示A、B两点的电场强度,
、
分别表示A、B两点的电势,则以下判断正确的是
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241423159232369.png)
A.
B. ![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142316235748.png)
C.
D. ![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142316391767.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142315798387.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142315861388.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/201408241423159232369.png)
A.
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142316001756.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142316235748.png)
C.
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142316329774.png)
![](http://thumb.1010pic.com/pic2/upload/papers/20140824/20140824142316391767.png)
D
沿着电场线的方向电势逐渐降低,θA>θB;电场线密的地方场强大,EA<EB,故D正确.
把握电场线的特点是解决此类问题的关键.记住了,理解了,也就会做了.
把握电场线的特点是解决此类问题的关键.记住了,理解了,也就会做了.
![](http://thumb2018.1010pic.com/images/loading.gif)
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