无忧得胜-网上国际课程 (5edu.win)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习:Electric Field and Electric Induction

 作者: admin   总分: 15分  得分: _____________

答题人: 游客未登录  开始时间: 24年08月22日 10:29  切换到: 整卷模式

标记此题
1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.07: A positively charged conductor ajy,mwp7dq+nf:h n6bejj.t :5jy (6u qttracts a second object. Which of the followiy:ny ptmj,uq6+h5:e6f. 7 ( bjnjjdwqng statements could be true?
I. The second object is a conductor with negative net charge.
II. The second object is a conductor with zero net charge.
III. The second object is an insulator with zero net charge.

参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.07: An amber rod is given a net negative charge and zo- eem2*uy1:bwpi :b held at rest. Which of the following statements is t:*owbpb yu i:z21m-eerue?

参考答案:    

标记此题
3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  15.08: A negatively charged balloon remains at rest when placed on a vecviqy4jucn0 *+nza //rtical wall. Wh*/q cizcu ay njv+4n/0ich one of the following terms is most closely associated with the electrical phenomenon allowing the balloon to remain on the wall?


参考答案:    

标记此题
4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.37: A long straight wiv. qx 9 p5cfl3yx(b 8wow,zew7re viewed end on carries a conventional electric current out of the paper as shown in the diagramf957 coq y,8 wvp3b lzx(wwxe.. What is the direction of the associated electric field at point P?


参考答案:    

标记此题
5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.05: Point charges 1 and 2 have equal magnitude. rvq8e/jw.:u*zwon9 e The diagram to the right shows the electric field lines surrounding thw q/jev* .zrew8u9:on em. Which of the following statements is true?


参考答案:    

标记此题
6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.26: For the diagram s 0z30bdy8:vywdjq 6oq1w- wf 2q/zzvbhown below, what is the ratio of the charges q1 and q2 , where the diagram shown has a representation of the field lines in the space near the cwqqwqj1z/y : z0ybd2 o0w vd3-v fz6b8harges.


参考答案:    

标记此题
7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.17: A small positive test charrjo4*+j0+yodo* rgcage is placed at point P in the region near two charges. Which of the following arrows indicates the direction of the force on the positive te cd+ro0ao*ry4g* j+oj st charge?


参考答案:    

标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  11.05: A positively charged rod is brought near a metatjn)/xn*zxc 9jrld ,.l electroscope that is initially uncharged. As shown in the figure, the rod does not touch the electroscope. There is no charge transfer between the electroscope and rod, but the leaves of the electroscope move apart from each other when the rod is brought near the top of the electroscope. Which one of the follxn.,/*jzxcl tr9jn ) dowing choices is the best explanation for this phenomenon?


参考答案:    

标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.15: A positively charged object is brought near but not r3p:8hlzjj. cul) fi pn.2o.min contact with the top of an uncharged gold leaf electroscope. The experimenter then briefly touches the electroscope with a finger. The finger is removed, followed by the removal of the positively charged object. What happens to the leaves of the electroscope when a negative charge is now brought near but not in contact with tp. )j8.roj fi :p.3hcluznlm2he top of the electroscope?


参考答案:    

标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.09: An electroscop6 imbd58e6sree is given a positive charge, causing its foil leaves to separate. When an obdb5e 8eris66 mject is brought near the top plate of the electroscope, the foils separate even further. We could conclude


参考答案:    

标记此题
11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.06: A charged rod is plac:bbwtt9h2fu1y m8++t ppne) w ed between two insulated conducting spheres as shown. The spheres have no net chargb e) 2+nmywfwttbupt +h 918p:e. Region II has the same polarity as Region


参考答案:    

标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.23: A person rubs a neutral comb throughz m6hss :y7vf;odu4q+ their hair and the comb becomes negatively charged. Which of the following is the best explanation for thisos:f vm uz;hs67dy+ 4q phenomenon?

参考答案:    

标记此题
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.09: When a positive electrically charged glass rod is brought 8 7a:6a7 b :yzq-9mc oxymbkkrnear a neutral hollow metal sphere suspended by an insulating string, the sphere : by: azk9xom- 8yqm6a 7brk7cwill be attracted to the rod because:

参考答案:    

标记此题
14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.24: Two small hollow metal spheres hung on insulating threads z. 7sz*- alfir9ys 3(nnw z0ajattract one another as shown. It is known that a positively charged rod will attract ballziz*ys30s7a aj-nl .wnr9zf( A.
I. Ball A has a positive charge
II. Ball B has a negative charge
III. Ball A and Ball B have opposite charges
Which of the above can be correctly concluded about the charge on the balls?


参考答案:    

标记此题
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.36: Two uniformly charged non-conducting spheres on i07r/oxsksyted i86ys*nr 5 *rnsulating bases areplaced on an air table. Sphere A has a charge +3Q coulombs and sphere B has a charge +Q coulombs. Which of the ni s errysy r7dks68*ot/x*05following correctly illustrates the magnitude and direction of the electrostatic force between the spheres when they are released?


参考答案:    

总分:15分 及格:9分 时间:不限时
未答题: 已答题:0 答错题:
当前第 题,此次习题练习共有 15 道题

浏览记录|手机版试卷|使用帮助|手机版|无忧得胜-网上国际课程 (https://5edu.win)

GMT+8, 2025-12-23 16:16 , Processed in 0.213799 second(s), 59 queries , Redis On.