19-20高二·浙江·阶段练习
1 . 如图所示,
为一正四面体,电荷量为
的点电荷Q固定在A点,先将一电荷量也为
的点电荷
从无穷远处(电势为0)移到C点,此过程中,电场力做功为
,再将
从C点沿
移到B点并固定,接着将一电荷量为
的点电荷
从无穷远处移到D点,再将
从D点沿
移到C点固定,最后将一电荷量为
的点电荷
从无穷远处移到D点。下列说法错误的有( )
![](https://img.xkw.com/dksih/QBM/2020/12/16/2615430222635008/2615586654617600/STEM/4e5fef11-673c-4958-9ac3-363dab650cb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b2087eadbbd0dab72b7483b9181585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b2087eadbbd0dab72b7483b9181585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e82bc9764eed73e276d36a99c6efcd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a86380a6d6501f6504dcb4aa5e3099f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1bd1adfe4cc6566218f19970c2fd3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56b2087eadbbd0dab72b7483b9181585.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eae863e7a1f1fed09f1075de4a817c63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70bbd932247dd88f72439f61df2ee599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f52b152eaf63415b10ed786a58a2747.png)
![](https://img.xkw.com/dksih/QBM/2020/12/16/2615430222635008/2615586654617600/STEM/4e5fef11-673c-4958-9ac3-363dab650cb2.png)
A.![]() ![]() |
B.![]() |
C.![]() ![]() |
D.![]() ![]() |
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