如图所示,以O点为圆心,以R=0.20 m为半径的圆与坐标轴交点分别为a、b、c、d,该圆所在平面内有一匀强电场,场强方向与x轴正方向成θ=60°角,已知a、b、c三点的电势分别为
、4 V、
,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/a2907195-04c0-40af-9f08-a33a6c95e619.png?resizew=137)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2c0ade11a4e31c045ab558b2767c2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17d65315ed43a8ee6acd701ff7bf86db.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/9/a2907195-04c0-40af-9f08-a33a6c95e619.png?resizew=137)
A.该匀强电场的场强![]() | B.该匀强电场的场强![]() |
C.d点的电势为![]() | D.d点的电势为-4V |
22-23高三·全国·课时练习 查看更多[2]
更新时间:2023-02-27 23:06:09
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A.由![]() ![]() |
B.![]() ![]() |
C.由![]() ![]() |
D.![]() ![]() |
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【推荐2】如图所示,匀强电场中等腰直角三角形ABC,
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