51fly国际课程 (51fly.win)

 找回密码
 立即注册

手机扫一扫，访问本页面

 

      

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：Physics Unit17: Electric Potential
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://autodiscover.51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 75，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://autodiscover.51fly.win/test75.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: physics  发布日期: 2022-08-15 14:49    总分: 75分  得分: _____________

答题人: 游客未登录  开始时间: 22年08月15日 14:49  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  
  Which of the following is not a vectrm. p;ylxzn2 -or?

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  
  One joule per coulomb -zy9z/i kvbz,ia36meis a

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  
  Two identical aluminum objects are insulated from their suze/o/qtj7 s (drroundings. Object A has a net charge of excess electrons. Object B is grounded. Which object soj( q 7zde/t/is at a higher potential?

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  
  For a proton moving in the directionln:/ve 01c, dqyh5 ebh of the electric field

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  
  For an electron moving in a direction opposite *k+ 7ebz:xhtk to the electric field

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  
  Several electrons are ple8kn o;9upv 7tntv) (zaced on a hollow conducting sphere. They

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  
  A small charged ball is accelerated from rest to a speyj0fko.xeu8 1 ed v by a 500 V potential 8u 0y.kofjx1edifference. If the potential difference is changed to 2000 V, what will the new speed of the ball be?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A surface on which all points are 546mv3sfd m:ya*z *bc piv,9q wq/ci sat the same potential is referred to as

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  
  A negative charge is moved frm;)7p. m tquujom point A to point B along an equipotential surfacu u p);.mq7mtje.

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  
  An equipotential surface mus2aiwfes8 2al9t be

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  
  The energy acquired by a particle carrying a chaal16:2wbcopf kt x-o8rge equal to that on the electron as a result of moving through a potential differe-tobw f18ak 6:olpx 2cnce of one volt is referred to as

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The electron-volt is a unit; a ug0fbwu5a( of

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  
  One electron-volt corresponds t bnjqu gc1m50,o

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  
  The absolute potential a(rkq : (qbqtz:smuir +oub *44t a distance of 2.0 m from a positive point charge is 100 V. What is the absolute potential 4.0 m away from the sr 4s4tbqbuq miq :* r:o((+zkuame point charge?

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  
  The absolute potential at a distance of 2.0 m fro)64osk nrw 8uvm a negative point charge is -100 Vn6o k8s4v r)uw. What is the absolute potential 4.0 m away from the same point charge?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The absolute potential at the exact center of a square is 3.0 V when a chargeccm*q o:-g/oa of +Q is located at one of the square's corners. What is the absolute potential at the square's center when each of the other corners is also filleao*g:m o/qcc -d with a charge of +Q?

参考答案:    
标记此题
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The absolute potential at the center of a square is 3.0 V when 6y i6ypwcum v;l9ea-(a charge of +Q is located at one of the square's corners. What is the absolute potential at the square's center when a secon6avi epywc 96(;yu -mld
charge of -Q is placed at one of the remaining corners?

参考答案:    
标记此题
18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Electric dipoles always consist of two char-l1oys:xc9yfo6ak w5ges that are

参考答案:    
标记此题
19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One coulomb per voltzm );lvxo74n17/t1k da 1kf.sun hxpq is a

参考答案:    
标记此题
20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two parallel-plate capacitors are idzo7c6o1yozoms,(-mm entical in every respect except that one has twice the plate area of the other. If the smaller c7 (zoyc mo-z6 ,om1smoapacitor has capacitance C, the larger one has capacitance

参考答案:    
标记此题
21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitor has a capacitance of C. If the area of the plav da;gso8yx;n75f/smhqla+d) nd 91vtes is doubled and the distance between the plates is halved, what is the ns og;dl/a9dvn v1)h 5a8yxs;n7qdm+f ew capacitance?

参考答案:    
标记此题
22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A battery charges a parallel-plate capacitor fully w*) uy wsz1fejy ,nrx 8+fs)*sand then is removed. The plates are immediately pulled apart. (With the battery disconnected, the amount of charge on *ufs8rwjw*) 1x, +nyz)yefss the plates remains constant.) What happens to the potential difference between the plates as they are being separated?

参考答案:    
标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the electric field bewe 0 l)aaxk q5g9lj009p: 9db.adx kbetween the plates of a given capacitor is weakened, the capacitance of that capacia5.w egdkx l0a:9 px)09 kab jq0l9debtor

参考答案:    
标记此题
24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The plates of a parallel-plaad(/5ubrs:jfq q *61m.bc-r+g9c7riu v hq qc te capacitor are maintained with constant voltage by a battery as they are pulled apart. During thmhq jrr- qib* 7cqq 5v gu6s1dba9u/(c:f.r +cis process, the amount of charge on the plates must

参考答案:    
标记此题
25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The plates of a parallel-pm)q mvvw9 t qd848 ago0yd7i5qlate capacitor are maintained with constant voltage by a battery as they are pulled apart. Whaiqadm94vqqyo78508vm wg ) tdt happens to the strength of the electric field during this process?

参考答案:    
标记此题
26#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State three reasons for atmw2mjs9x ,*e dding a dielectric material between the plates of a capacisj ,x mmw*29ettor.
参考答案:    

标记此题
27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A dielectric material such as pa32ta4 1n j+8jq amnmecper is placed between the plates of a capacitor. What ha 28 nnjeqmm31aatjc+4 ppens to the capacitance?

参考答案:    
标记此题
28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A dielectric material such as paper is placed between the plates of a capdcp:.6 s,tjzh/xon .sacitor holding a fixed charge. What happens to the electric field betwe/hx.dszc: 6 nto.j,psen the plates?

参考答案:    
标记此题
29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capaci,62h jhip(vavo z- wu+tor is connected to a battery and becomes fully charged. The capacitor is then disconnected, and the separation between the plates is increased in such a way that no charge leaks off.hu 2ap6(oh,vj+z wvi - The energy stored in this capacitor has

参考答案:    
标记此题
30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Doubling the capacitance of a capacitor holding a conswig pk ): uzk4;3cd6sitant charge causes the energy stored inzkpgk):d4u siw 6 3c;i that capacitor to

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Doubling the voltage across a gis(7vk(gc:cr m.t /. yqh1r5ymiu vdu1ven capacitor causes the energy stored in that cari( md(.q /t:hrc5ckyg u .vm11vuy s7pacitor to

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  It takes 50 J of energy to move 10 C of charge from point A to point B. What iym8zs ; nz2 etf8v)gg5s the potentia5)e s8z2m8z;vgtg yfn l difference between points A and B?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The net work done in moving an electron from point A, where+f cptg(ga 1.bg)onw : the potential is -50 V, to point B, where the potential is ggc: two b+ag.fp)n1(+50 V, is

参考答案:    
标记此题
34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A proton, initially at rest, irexzl8f3x cx- 5-b7iq s accelerated through an electric potential difference of 500 V. What is the k-7 - 5q lex8cx3irbzfxinetic energy of the proton?

参考答案:    
标记此题
35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A proton, initially at rest, is acc+8c :zvz a-cz-g*ajrcelerated through an electric potential difference of 500 V. What is the speezzaca*:c+jz8--g r v cd of the proton?

参考答案:    
标记此题
36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Starting from rest, a proton falls through a potential difference of 1200 Vv;t i 31g;cebj n9xy-b. What 1xj-e93tibb;ygc v;n speed does it acquire?

参考答案:    
标记此题
37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How much work does 9.0 V do in mov-)h zesje1m,or *m-lrb -has6ing $8.5 \times 10^{18} \; electrons$?

参考答案:    
标记此题
38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A stationary electron is accelerated through a potential diffe)oc9 mo ec.mqi j(53h )j-ofgurence of 500 V. What is the velocity of the electron afterwajeoq umo9 i5 )ocm(f)-jc.g3hrd?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 4.0-g object carries a charge of 20 mC. The object is accelerated f*zvaib;j4a ,e )z5rvhrom rest through a potevv; z* ,jeaab4r) i5hzntial difference, and afterward the ball is moving at 2.0 m/s. What is the magnitude of the potential difference?

参考答案:    
标记此题
40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 6.0-V battery maintains the 6vl fo5wh i 8cdvy(9f5electrical potential difference between two parallel metal plates separated by 1.0 mm. What is the electric fieli55o(y f896whcvvld fd between the plates?

参考答案:    
标记此题
41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A uniform electric field, with a magnitude of 500 asa6x2y9uu *v);zpx3r lhg,jV/m, is directed parallel to the +x axis. If the potential at x = 5.0 m is 2500 V, what is the puvzx9 rj*us6ly;a agx hp)2,3otential at x = 2.0 m?

参考答案:    
标记此题
42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider a uniform electric field of 50 N/C directed toward the -iz;r -ld l6+mrt *dk 3(ufxwkeast. If the voltage measured relative to ground at a gilkrkz 6 (i-xt f; +rlmwudd*-3ven point is 80 V, what is the voltage at a point 1.0 m directly west of that point?

参考答案:    
标记此题
43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A proton moves 0.10 m along the q cg;lt, d23 s- ynz:yyklpxho2b7 jbb0-*wn: direction of an electric field of magnitude 3.0 V/m. What is the2dysxyw:l p -b:o2-3 *7 t,zjbgn blkh; yn0cq change in kinetic energy of the proton?

参考答案:    
标记此题
44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two parallel plates, separated by 0.20 m, are cok* ve e5bd0i.vo v a+w+uj+.my :yo3yrnnected to a 12-V battery. An electron released from rest at a location 0.10 m from the negative plate. When the electronv*.eav 0eky3m+j vo .d5 ou+y+b:ywir arrives at a distance 1.50 m from the positive plate, what is the potential difference between the initial and final points?

参考答案:    
标记此题
45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two parallel plates, separated by 0 iyhu a0djbvvi57s+(2 .20 m, are connected to a 12-V battery. An electron released from rest at a location 0.10 m from the negative plate. When thesy 5(uijbdhv7v a 2i+0 electron arrives at a distance 0.050 m from the positive plate, how much kinetic energy does the electron gain?

参考答案:    
标记此题
46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two parallel plates, 9 jr5e9 pt(zj nz10djkseparated by 0.20 m, are connected to a 12-V battery. An electron released from rest at a location 0.10 m from the negative plate. When the electron arrives at a distance n 91zrtj5 jz 09dkj(ep0.050 m from the positive plate, what is the speed of the electron?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider a uniform electrd gllidq:xb8x1c)c +6ic field of 50 N/C directed toward the east. If the voltage measured relative to ground at a given point in the field is 80 V, what is the voltage at a point 1.0 bg +cid8c6:xl)q1xd lm directly east of the point?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider a uniform electric field of 50 N/C directed toward rh r489zfpm:fq*e5cz the east. If the voltage measured relative to ground at a gi5*4r8zmz he9 fcr:pqfven point in the field is 80 V, what is the voltage at a point 1.0 m directly south of that point?

参考答案:    
标记此题
49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a Cu2+ ion drops through a potential difference of 12 V, it will acquire a kidbq dl m39c 2sv6(bkd6netic energy (2dvl c96(ksdm6b q3d bin the absence of friction) of

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the potential at a distance xd;irtt5ffpf 41 h20 yof $5.0 \times 10^{-10} \; m$ from a nucleus of charge +50e?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two 3.00-mC charges are at the ends of a meter stick. Find the electrical poten4fo qj yzfjefs6+*w zc*1hs ;*tial for thehyj cwf +fe1**q;ojss z4*fz6 center of the meter stick.

参考答案:    
标记此题
52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 5.0-nC charge is at (0, 0) and a -2.0-nC charge is at tyt1gikq ).ziy1 ;rlcp,+kp 2(3.0 m, 0). If the potential is taken to be zero at infinity, whatti+ p kg,2 1tp;l y)iky.crq1z is the electric potential at point (0, 4.0 m)?

参考答案:    
标记此题
53#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 5.0-nC charge is at (0, 0) and a -2.0-nC charge is at (3.0 m, 0). If5 /evfmqj8ny (xv7szo(:gu t e3eya.- the potential is taken to be zero at infinity, what is the electric potential energy of a 1.0-nC ave3e zmqy-yo: 5s tv x/n.7j((u8feg charge at point (0, 4.0 m)?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
54#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 5.0-nC charge is at (0, 0) and a -2.0-nC charge is at (35ht (yj;19pdye k0 oee.0 m, 0). If the potential is taken to be zero at infinity, what is the work required to bring a 1.0-nC charge from infinity to poit y(0oed;ep 5j9yehk1 nt (0, 4.0 m)?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
55#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Four charges of equal charge +q are placed at the co .z6aqrj(zoa 9rners of a rectangle of sides a and b. What is the potential at the center of the rectangz6or. j (aq9azle if q = 2.0 mC, a = 3.0 cm, and b = 4.0 cm?

参考答案:    
标记此题
56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A square is 1.0 m on a side. Charges of +4.;gxaw .dwhm1u05h9aj 0 mC are placed in two diagonally opposite corners. In the other two corners are placed charges of +3.0 mC and -3.0 mC. What is the g1.dawhh9u x m0;ja5wabsolute potential in the square's center?

参考答案:    
标记此题
57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An alpha particle (cha v 7cq1w1idp ( l1rly+0b;0b8 xucysjsrge +2e, mass $6.64 \times 10^{-27} \; kg$) moves head-on at a fixed gold nucleus (charge +79e). If the distance of closest approach is $2.0 \times 10^{-10} \; m$, what was the initial speed of the alpha particle?

参考答案:    
标记此题
58#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How much energy is n (eesp9:x9l,;bgf m/bpzp ;qgecessary to place three charges, each of 2.0 mC, at the corners of an eqf / eb9x;:lzggp;,m9q( esppb uilateral triangle of side 2.0 cm?

参考答案:    
标记此题
59#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What charge appears on the plates of a 2.0-mF capacitor when it is charged t6;uivt/wi p 1zu l*c5to 100 V6wu ;iil 1zu vtp/5*ct?

参考答案:    
标记此题
60#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitor has plates jipop; 1l5,aq of area $0.50 \; m^{2}$ separated by a distance of 2.0 mm. What is this capacitor's capacitance?

参考答案:    
标记此题
61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitor is filled with air, and the plateaux -hyyrmd9 zx nm:,fva61c 4e(p tm(,q+ k5ds are separated by 0.050 mm. If the capacitance is 17.3 pF, what is the plat(:xmnk cdvx-yram 19h+,4d,m 5 t ay(p6qfzeue area?

参考答案:    
标记此题
62#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitor has p m2e2ljvai(0c lates of area $0.20 \; m^{2}$ separated by a distance of 1.0 mm. What is the strength of the electric field between these plates when this capacitor is connected to a 6.0-V battery?

参考答案:    
标记此题
63#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitor has a8: df35c r8+zmv lstsbiy v2f: plate separation of 5.0 cm. If the potential difference between the plates is 2000c5s3 +t r2 m8diz8f::lbfvvy s V, with the top plate at the higher potential, what is the electric field between the plates?

参考答案:    
标记此题
64#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 6.0-mF air capacitor is connected across a 100-V battery. After the bad o.mx o )-7u3)cx,de7koehxattery fully charges the capacitor, the capacitor is immersed in transformer oil (dielectric constant = 4.5). How much additional charge flows from the bat,m)hxe3 oax 7)o7d.cx-ko ude tery, which remained connected during the process?

参考答案:    
标记此题
65#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A charge of 60 mC is placed on a 15 mF capacitor. How muchyfr +yqln u-n9j,m) m- energy is stored in the capacy n,mryl-u9jfq-+)mnitor?

参考答案:    
标记此题
66#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  20 V is placed across a 15 mF capacitor. What is the energy stored in the casx t0xckrg d+49 .m9bupacit+m.4u xgt xdbcrk0 s99or?

参考答案:    
标记此题
67#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A charge of 2.00 mC flows onto the plates of a -501uf7uf e 4jyiub6arp d;ekcapacitor when it is connected to a 12.0-V battery. How much work was done in charj 0k7u6ypub ree ff41;da-i5uging this capacitor?

参考答案:    
标记此题
68#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a 10-mF capacitor is charged so that it store *.f-toe-7wf+ucuv vis $2.0 \times 10^{-3} \; J$ of energy, what is the voltage across it?

参考答案:    
标记此题
69#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitor consists of plates of arsewi0kj.tj c6 mf -:1 4sy*ymrea $1.5 \times 10^{-4} \; m^{2}$ and separated by 1.0 mm. The capacitor is connected to a 12-V battery. What is the capacitance?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
70#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitor consists of xvb,1gjmy.j 2s q0gm0u)k1biplates of area $1.5 \times 10^{-4} \; m^{2}$ and separated by 1.0 mm. The capacitor is connected to a 12-V battery. What is the charge on the plates?

参考答案:    
标记此题
71#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capaccru zyq.n 2( -w*c*irbitor consists of plates of area $1.5 \times 10^{-4} \; m^{2}$ and separated by 1.0 mm. The capacitor is connected to a 12-V battery. What is the electric field between the plates?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
72#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitor is constructed with udxy*bl;+ om03( sqmi plate area of $0.40 \; m^{2}$ and a plate separation of 0.10 mm. How much charge is stored on it when it is charged to a potential difference of 12 V?

参考答案:    
标记此题
73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capzgp0 ,. rxl;4-ipfpj bacitor is constructed with plate area of $0.40 \; m^{2}$ and a plate separation of 0.10 mm. How much energy is stored when it is charged to a potential difference of 12 V?

参考答案:    
标记此题
74#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 15-mF capacitor is wa(t4 n67h gb /cgb-y(tzox 0jconnected to a 50-V battery and becomes fully charged. The battery is removed and a slab cobtgz6wy- (j btanh(g47/0x of dielectric that completely fills the space between the plates is inserted. If the dielectric has a dielectric constant of 5.0, what is the capacitance of the capacitor after the slab is inserted?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
标记此题
75#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 15-mF capacitor is ph: b jyf2lt)fs3d-c:em ru* s4qp94wconnected to a 50-V battery and becomes fully charged. The battery is removed and a slab of dielt*ppfs43w:9mfhy cer-q:) 4 sldj u2bectric that completely fills the space between the plates is inserted. If the dielectric has a dielectric constant of 5.0, what is the voltage across the capacitor's plates after the slab is inserted?

参考答案:    
本习题练习题目来源于51fly国际课程 (https://51fly.win)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
  • 姓名:游客(未登录)
    •
    总分:75分 及格:45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 75 道题
    本平台(https://autodiscover.51fly.win/)支持练习，作业与考试(自动评分)三种模式，群组成绩统计排序导出，题目动态变量实现同卷千人千题。
    如果您对本系统感兴趣，想加入我们或者想进行任何形式的合作，请加微信 skysky1258

    试卷内容到此结束!   © 2026 51fly国际课程 (https://51fly.win)版权所有

    浏览记录|手机版视频|手机版试卷|使用帮助|51fly国际课程 (https://51fly.win)

    GMT+8, 2026-4-18 06:29 , Processed in 1.304833 second(s), 180 queries , Redis On.