空间有一沿x轴对称分布的电场，其电场强度E随X变化的图像如图所示。下列说法正确的是( )

题干

A：O点的电势最低w w w.ks5 u .c om

B：X₂点的电势最高

C：X₁和- X₁两点的电势相等

D：X₁和X₃两点的电势相等

上一题下一题 0.0难度选择题更新时间:2015-06-17 06:24:41

答案(点此获取答案解析）

C

同类题3

Tang Hai is chatting with his e-pal David on QQ (T: Tang Hai D: David)
D: Hi. How is it going these days?
T: Pretty good! We celebrated our Dragon Boat Festival(端午节) last week.
D: Dragon Boat Festival?1
T: To remember an ancient Chinese poet(诗人)。
D: How do you usually celebrate it?
T:2 But this year, we did something more interesting.
D: What did you do?
T: Our school had a Dragon Boat race.
D:3 who won the race?
T: Our class.
D:4
T: Thanks a lot. I hope you can come to China sometime.
D:5 I'm interested in Chinese traditions. Tell me more about them next time.
T: Ok, I will. See you.
D: See you!

题干

答案(点此获取答案解析）

同类题1

同类题2

同类题3

同类题4

同类题5