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习题练习:Electric Field and Electric Induction



 作者: admin   总分: 15分  得分: _____________

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

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.07: A positively charged conductor attract 6:p6:ee iogxcyjic88s a second object. Which of the following statee6c: :j 8i6epgoi cyx8ments 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.

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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 7li/ d uh6icw2.e,o plcharge and held at rest. Which of the following statpw2o dl7ch,i e6il./u ements is true?

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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 ve3cfh n 0xivqnsz 992suw 2: foo893wbertical wall. Which one of the following terms is most closely associated with the electrical phenomenon allow i32f oc 9 hn38q2eoz wf9:suwn9vsbx0ing the balloon to remain on the wall?


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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.37: A long straight wire vieweddyow(l68 wwp;9:fsmm nu5 pl 8pc,-z h end on carries a conventional electric current out ofnpo- cf8 w,8(:s9 p5u6mwlhldpwmz; y the paper as shown in the diagram. What is the direction of the associated electric field at point P?


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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.05: Point chargesp; 4k( g0n5porchg nh1 1 and 2 have equal magnitude. The diagram to the right shows the electric field lines surround450 np;hg1 n(chogrk ping them. Which of the following statements is true?


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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.26: For the diagram shown below, what is the ratio of the char (*ndbvbawb/1ges q1 and q2 , where the diagram shown has a representation of the field lines in the space near thewavbb1*d (n/b charges.


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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.17: A small positive d3lfj) *vn s*utest charge is placed at point P in the region near two cha3)fju* sd*vln rges. Which of the following arrows indicates the direction of the force on the positive test charge?


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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 metal electroscopm- m,b0vhjl) ce 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 brou 0-m h)vlbmcj,ght near the top of the electroscope. Which one of the following choices is the best explanation for this phenomenon?


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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.15: A positively charged object is broz+) /btx/x+s, e wgvwvught near but not in 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 tzv + we)tx /w/bv+s,xgo the leaves of the electroscope when a negative charge is now brought near but not in contact with the top of the electroscope?


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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.09: An electroscope is given a positive charge,3 hbsty97ix:pp+sr mvd( il6,kwnr99 causing its foil leaves to separate. When an object is brought near the top plate of the electroscope, the foils separate even further. We bi,m:p9k l (p9s xv9y+7idn r3 srhwt6could conclude


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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.06: A charged rod is placed between two insulated conductingnysl3eyu;s9 0 spheres as shown. The spheres have no net charge. Region II hs 9;snel3 yyu0as the same polarity as Region


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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 through their hair and.f v 1-/bkow9nj yxb ukldvoc2(a7, e. the comb becomes negatively charged. Which of the following is the best explan9docy,j/1bwfa(k7l b.vuv.n e2k-o xation for this phenomenon?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.09: When a positive electrically y5x).on 3g. ypkliyp2 charged glass rod is brought near a neutral hollow me oy k.yx.pyln32) 5gpital sphere suspended by an insulating string, the sphere will be attracted to the rod because:

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.24: Two small holll3/k4qij1 ht o5lukb4ow metal spheres hung on insulating threads attract one another as shown. It is known that a positively chaj14q kb hi4ukl53t/ lorged rod will attract ball 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?


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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 e)0 v.ckqvjvfaxu) 66on insulating bases areplaced on an air table. Sphere A has a charge +3Q coulombs and sphere B has a charge +Q coulombs. Which of the following correctly illustrates the magnitude and direction of the electrostatic force betwfe a6k6x )0)vujq.vvceen the spheres when they are released?


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