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
本习题练习来源于51fly国际课程 (https://51fly.win)，是在线习题练习的打印版，您也可以访问本平台网站(https://51fly.win/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 75 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；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。本试卷的直接作答链接 https://51fly.win/test75.html
 作者: physics  发布日期: 2022-08-15 14:49    总分: 75分  得分: _____________

答题人: 匿名未登录  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 a3 ixkz2.m +nugo.qr:a vector?

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 is au)0.s(uo5 r9mo haajg

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 surroundings. Object kfzi9dkvlaw.6 1 l /y4gv(0g eA has a net charge of excess electrons. Object B is grounded. Which object is at a higher poten.w zkk16gl(9/l 0eadiy4v vgf tial?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 dis 2yqs ;m(/nlxrection 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 to the electrj 4oih przrc+c:z1;i b6*ttys/htu3. ic 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 placed on a hollow conducting 2 j7ikp3-zgq/aum;j ysphere. They

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 wd 5/ sg5 qdertuyou7l,n --+waccelerated from rest to a speed v by a 500 V potential differen7yut qo5we d-d+lg un/,5wrs-ce. If the potential difference is changed to 2000 V, what will the new speed of the ball be?

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  
  A surface on which all points are at the sa+dcbakdm5 auvx3 7r *6me 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 from point A to poin 27l /cx:yxrsut B along an equipotential surface.sl y2u cx:7rx/

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An equipotential surface 5ncczp jyuhe/ je6r udao 48t*/m*v4 mjmy+03must 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 charge equal to that on the elec w/ 7zk66:rc6yg71j bgn hvooz.s)mwu tron as a result of moving through a potentialrnbc:ys/wm z1 7 z v o6g7)6ukwgj.oh6 difference of one volt is referred to as

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  
  The electron-volt isqdo,f5,.s67 lud )sr0bbo yvw a unit 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 corresponf 2+ 4u lknmt7b*(kwx mdh68+mg.vea(uq:k onds to

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 at a distance of 2.0 m from a positive point char sob:ct;:f1 msge is 100 Vmb:o s: c;fs1t. What is the absolute potential 4.0 m away from the same 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 from a nega 0ghip stlr*j1 :ze cji1;(4gltive point charge is -100 V. What is the absolute potential 4.0 m awgi *1s g;ihe:0tczlj lj(1p r4ay from the same point charge?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 exactl-md1wn fg4(p center of a square is 3.0 V when a charge of +Q is locat w4p1nfm- ld(ged 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 filled 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 squarep1dmk( d5:-h gqq6srs is 3.0 V when a charge of +Q is located at one of the square's corners. What is the absolute potential at the square's cd (-h1km5q : qsrd6pgsenter when a second
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 ol d+ey t15izhyh1s ;+of two charges 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 volt is4mt7. gul vuj ;rdf3 rzf1c0c; 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 capacito(yl dfm5.avc7)(5jv 3se qsqx;qfan 1 rs are identical in every respect except that one has twice the plate area of the other. If the smaller capacitor has capacitance C,fq ea1f3n(; .v7 s)vqcxaqy5(5sjl dm 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 capacitoxo6 n 2kd4*iitx3cj9j r has a capacitance of C. If the area of the plates is doubled and the distanc 9i3 jjtc 2ixdk*4n6oxe between the plates is halved, what is the new 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 and then isyb42+ ;sale so removed. The plates are immediately pulled apart. (With the battery disconnected, the amount of charge on the plates remains constant.) What happens to thels;y42seba+ o 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 between -0m ow*,4l)6q;6wwso4 op xxymhyydmsb.sj6 the plates of a given capacitor is weakened, the capaciyojl4w)-m46w 0ys bw*.xmso;shopmd ,6y6xqtance of that capacitor

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-plate capacitor are maintained with1lj 02ddn rdt pn+,sy:ichf2y xt l.2* constant voltage by a battery as they are pulled apart. During this process, tnril*c 22stn1pyt: x2lyjdf ,hdd + .0he amount of charge on the plates must

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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-plateb9c 1nhmu7cl-8yk 7to capacitor are maintained with constant voltage by a battery as they are pulled apart.l8uo7ycm9 t 1 -kch7bn What 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 adding a dielectric material be2nc (1h;xvr gltween the plates of a capacitoxv;(gh c1l 2rnr.
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 materia5bk z+8bn)rag 0+ceo9h/wt f kl such as paper is placed between the plates of a capacitor. 85/r bnfw9z++e0 k gco)b htak What happens to the capacitance?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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-r3ypw) ash* p placed between the plates of a capacitor holding a fixed spa hp) *wry3-charge. What happens to the electric field between 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 capacitor is connected to .wbfcn pptgds 64n.18a battery and becomes fully charged. The capacitor is then disconnected, and the separation between the plates is increased ig p6n.4dtf8 nb ws1.cpn such a way that no charge leaks off. 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 capacithk g mmlq;(w :wqmbj4 d4n3a+1or holding a constant charge causes the energy stored in that n:lw4mmjha q 3;mb+1wdk4q(g capacitor to

参考答案:    
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+u,k a2a:wvrmq ,aij7 a given capacitor causes the energy stored in that capacitor2a :ram+v 7a,,w kuqji to

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 s-9wfhu qb 1dp t0l6 )yf9zdu9bi /2fbmove 10 C of charge from point A to point B. What is the ph9 f9 p9/b1df fl2)w6zusqyibdu0 -b totential difference between points A and B?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 0 (sepq+mj ki.the potential is -50 V, to p qpj e(+sk0mi.oint B, where the potential is +50 V, is

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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, is accelerated throug3b 8 hkwbjqb;.h an electric potential difference of 500 V. What.bbj b83;kwqh is the kinetic 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 accelerated through an elef;cp.gd p /dj-ctric potential difference of 500 V. What ;dg pp.dc/ -jfis the speed of the proton?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 p1aidv5c15g jy3ckcj ,otential difference of 1200 V. What speed c51acvjy, i1jg3 kc5d 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 movingq9 (r ) n9wayacrh1i,k $8.5 \times 10^{18} \; electrons$?

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 difference of 500 V.pykctht m: 6.4 What is the velocity of the eleyh4tkp tcm:.6 ctron afterward?

参考答案:    
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 from res.)p7et 9cbzdmmxyz/p a-:h 1 r4,pnel :f*c xkt through a potential difference, and afterr,phea *cb tzl4/ : xf:7nxmpp m1cdy z-9.e)kward 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 electrical potentiab-f cfkgh *:/kl difference between two parallel metal plates separated by 1.0 mm. What is the electric field between the pf:g -kb*c h/fklates?

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 fiel+8t)3pilid+aasy)qx 0/ s uncd, with a magnitude of 500 V/m, is directed parallel to the +x axis. If the potential at x = 5.0 m is 2500 V, what is idq)c +8an tuyps/)sx+ a03ilthe potential 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 e hte wk/,t7hx(+ fp.knlectric field of 50 N/C directed toward the east. If the voltage measur.t, hk(et/wf hxn7 kp+ed relative to ground at a given point is 80 V, what is the voltage at a point 1.0 m directly west of that point?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 direction of an elecoomye ebw y;o*0;: s7qtric field of magnitude 3.0 Vq: y*07 ey;e;oboo wms/m. What is the 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 connected to a 12-V battery.jp8f) y/c0(4d,xk4idr wjs ax An electron released from rest at a location 0.10 m from the negative plate. When the electron arrives at 8xi0k( p,)/ 4yw fxjdj d4rcsaa 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. n+ybk(v)x )5ze xykc320 m, are connected to a 12-V battery. An electron released from rest at a loca bx+yvy)k5nc)k(x 3 zetion 0.10 m from the negative plate. When the electron arrives at a distance 0.050 m from the positive plate, how much kinetic energy does the electron gain?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
标记此题
46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two parallel plates, se 9;/z * ,um* y.hvdkglv-ymxlcparated 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 0.050 m from the positiv*hk9 c /v;vm y ,dzlg*x-l.myue plate, what is the speed of the electron?

参考答案:    
标记此题
47#
 
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 the44 rml i(ckgy ek(qfo*2*4tu r 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 m dio c4gfiru e r(mlq4 24(**ykktrectly east of the point?

参考答案:    
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 theah( akb70: u2ue- c8pfjy4ixex- 9xsp east. If the voltage measured relative to ground at a given point in the field is 80 V, what is the voltagepy-: ( cai9ax7u4xf0 xkpbj 8eus2-eh 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 thf 7 e0g tdfybihxv,(/lxk;5v6rough a potential difference of 12 V, it will acquire a kinetic energy (in the 6bx05;y 7f /lxigd,hk(e vvt fabsence of friction) of

参考答案:    
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 dpylh,xa52 gto*gp 7a. *xncdzg/qc 5.istance of $5.0 \times 10^{-10} \; m$ from a nucleus of charge +50e?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 stm45(tt,sigx oick. Find the electrical potential for the center of the meter stit4(5gsimtxo ,ck.

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 (3.0 m, 3wic3j s4kl vm0 u0bub0.wd n80). If the potential is taken to be zero at infinity, what is the electric potential at powds8 3 cwnkbbm3iu0j.v 00ul4int (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 chargezac. (tg,s6o/r c-e xjhs8o/s is at (3.0 m, 0). If the potential is taken to be zero at infinity, what is the electric potential energy of a s c h j8.e-ztx/cs6,/o ag(sro1.0-nC charge at point (0, 4.0 m)?

参考答案:    
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 c vp;kfs38 ijp5harge is at (3.0 m, 0). If the potential is taken to be35fp8v i;j pks zero at infinity, what is the work required to bring a 1.0-nC charge from infinity to point (0, 4.0 m)?

参考答案:    
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 corners of a rectanglzr t,se18xv,q e of sides a and b. What is the potential at the center of the rectangle if q = 2.0 mC, a r8sxz1q ev,, t= 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 +4.0 mC are-crt2 ;2b sshl 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 ab;st 2- r2shlbcsolute potential in the square's center?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
标记此题
57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An alpha particle (charge +sre wg:f(i3:i*-j7 +cgzt aqw2e, 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 necessary to place thre467zm(mk+8ihemonu s6e3y r i e charges, each of 2.0 mC, at the corners of an equilateral triangle ny6ioek+4memzus7 h8 3 (mir6 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 capaci-n y-);p*udz8t; z 9jccftuiutor when it is charged to 10p )8fcuud t-ncj* t-iz;y9z ;u0 V?

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 ha74nrt zmtib( rr5)(c ks plates 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*abfwa-r8a6wh4oy9i xzwv 7; /( wub1mluyj 7 filled with air, and the plates are separated by 0.050 mm. If the capacitancewa *- 974vwf (i;a zu6/mxaouybw bwy7h18 rlj is 17.3 pF, what is the plate area?

参考答案:    
本习题练习全部题目来源于51fly国际课程 (https://51fly.win)，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
教师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
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 plate7z6s q gdxa9 z::y5wzlhe+l9hs 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 a plate separatio2fip70ww(tp y 58b hpen of 5.0 cm. If the potential difference between the plates is 2000 V, with the top plate at the higher potential, what is the electric field between the p(ye2tpw5ppwi07 fhb8lates?

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 ir x8;gb4 t+rqf7u ugumk+ o,2cs connected across a 100-V battery. After the battery fully charges the capacitor, the capacitor is immersed in transformer oil (die; rxcgqk r2u fum+,bu+7tg 84olectric constant = 4.5). How much additional charge flows from the battery, 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 much energy is q w10+nc3eb yxa,u (tkstored in the capacitbx+uwa yne0 ,(k1q3ct or?

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 ene4rr + o(1.jvxp4dmizergy stored in the capacij(iv4r4pe zd m+xr1o.tor?

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 po*68vmwj nd. tlates of a capacitor when it is connected to a 12.0-V battery. How much work was done in charging this capacit*m td8nw. ov6jor?

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 charg ohxg2/(9pwxjed so that it stores $2.0 \times 10^{-3} \; J$ 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 capaci )p-8 o+rb)dwiwu6at otor 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 capacitance?

参考答案:    
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 o4p l8p(au2nref 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 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 capacitor consists of plates of areat /wtsou k1x.:rw,k,rmkn5w : v1kaj: $1.5 \times 10^{-4} \; m^{2}$ 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:    
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 plate aytl5 ws dtzn 0r(l7ohy7;-zu2rea 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 capacitor is constructed with pl1,o*y ctuk)nhk( t0k mate 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 connected to a 50-V battery and becomes fully charged. The 2 g,j3a-ceiqt battery is removed and a slab of dielectric that completely fills the space between the plates is inserted. If the dielectric has at-, i2e jag3qc dielectric constant of 5.0, what is the capacitance of the capacitor after the slab is inserted?

参考答案:    
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 connected to a 50-V battery and becomes fully chargeo37f qmbn2z /pd. The battery is removed and a slab of dielectric that completely fills the space between the plates is inserted. If the dielectric has 3f q/nzmpo2b7a dielectric constant of 5.0, what is the voltage across the capacitor's plates after the slab is inserted?

参考答案:    
  • :
    •
    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

    试卷内容到此结束!   © 2024 51fly国际课程 (https://51fly.win)版权所有

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

    GMT+8, 2025-5-8 05:26 , Processed in 0.430033 second(s), 180 queries , Redis On.