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://mail.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://mail.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 followinr55(6xrxm 1vj0 onql(k:y gdpg is not a vector?

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xxxxxxxxxx，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
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One joule per coulomb is.vpn y,,vz +c p6lyzi2 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 oqyuur j- 3hj;9bjects are insulated from their surroundings. Object A has a net charge of excess electrons. Object B is grounded. Which object;j9ry j3qh- uu 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 direction of the electr0nh-9s akhsh0 ic field

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xxxxxxxxxx，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
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 bbzixz)7gba j;)ed4 8electric 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 h8rf (sm+ m-iq)z6 jmlplaced on a hollow conducting sphere. They

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xxxxxxxxxx，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
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 speed v by a 500 V potential dp7hvq .sbmwy2+ .m x4uwp1 6ddifference. If the potentialdmw4hpymb76pv+ u1xd .q s. w2 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 bg:jl(v6*;a. nlkwql points are at 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 from point A to point B along an equ*ip njfa+lw;sva6m 2 ++: nmjtipotential surface.*twj6j2m++ ;an n f:splmv i+a

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 mv4x,qtp xyan.b 42q5must 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 lpb f;p.mf6 m (hidw/5a charge equal to that on the electron as a result of moving through a potential difference of op/m wfmd( . l5;fhi6bpne 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 is a ugicf;hm,u ; jn d0(7nd7v/cwmnit 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 lwouz-3 xl, w+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 dist qy4ngho vp+),ance of 2.0 m from a positive point charge is 100 V. What is the ,v4+ph) o gnyqabsolute 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 d)stt 0zxw(x2m n(9k0 nkeql-5 dwmx u5n0 ;mnfistance of 2.0 m from a negative point charge is -100 V. What is the a-wwt(d qk z 0sekm 5nu(lmtf;xn2n90 5x0m)xnbsolute potential 4.0 m away from the same point charge?

参考答案:    
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:pis;3xa6c um( eh4l8(ngt mld77 lea is 3.0 V when a charge of +Q is located at one of the square's corners. What is the absolute potent4il lxa3e77 s;g(mudmlac(:t 6 8n pehial 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 t 38 rg8p*z (.9oktp xkjy1xnmgja (.hhhe center of a square 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 sqa( 3rmjpxnt*og89pk yzjh8 .1k (xhg.uare's center 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 of two charges thafwvm6byum h*-10jd mb/mlg ( -t 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 is vfxqi vem29bkg(,/*y 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 identical in every respect c+hgi7g 1igw5v,- pn(h vs 9yn: ;miorexcept that one has twice the plate area of the other. If the smaller capacitor has capacitance C, the larger one has capacitancp - ym751iv:ichn9 gvih+owsg;(g, nre

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 plates ib6f kq2zv8mv4s doubled and the distance between the plates is halved, what is the new capacitan6mk fz8b42vqvce?

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 fullyjb9zaqy* zl b8h- jffgkd6tt 2 *p026o and then is removed. The plates are immediately pulled apart. (With the battery disconnected, the amount of charge on the plates remains constant.) What happens to the potential difference between the plates as they are being sep* th-ldbjzf b0kpg 2ofj8y6z2*t69 a qarated?

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xxxxxxxxxx，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
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the electric field be -tm(zo eoe;8ztween the plates of a given capacitor is weakened, the capacitance of thaezomt(z o8e; -t 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 are83m6pla,bzb dky 6g*r maintained with constant voltage by a battery as they are pulled apart. During this6am8 3ybg6*lbzkr ,pd 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-plate capacitor are maintained with const 7uf0*f+ jj .nfa caqjxkj)rb292 e7rtant voltage by a battery as they are pulled apart. What happens to the strength of the electric field +r09j2c*n tf 2 are7xu jjb7q jfa)fk.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 between the plates 2lxuki/hg3x4p edj*1o*mhg/u7 cmk*of a capaci*ku/ dg p/h o m3l2j guh7xm*1xek4i*ctor.
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 paper is placed between th*)wu80 mc8r izhgkfryg:cm4 / e plates of a capacitor. What happens to the ca: w y)8/kzcih8r mru0mgfc4 g*pacitance?

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 pla 2g:cdyy4) j*qmn)t ofced between the plates of a capacitor holding a fixed charge. Whyy)gndcj:4to2mf) q* at 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 connec.yefjgb+v0l v -h0-q*c f lul/ted 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. The energy sf 0v/-+l.cjubv0lfhy-e*q l gtored in this capacitor has

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xxxxxxxxxx，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
30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Doubling the capacitance of a capacitor hz17 fj3o cyq0 5gro)pkolding a constant charge causes the energy stored in that capacitor tokpq 7rg 31)z yfjoc50o

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-zc8ig2u xsj m5)x (ae across a given capacitor causes the energy stored in that capacs)(xezc8u 25 -mj xiagitor to

参考答案:    
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 from4: ka 6qbxwgnfw-+d l2 point A to point B. What is the potential difference be2- wl dw:6ak4xgb+f nqtween points A and B?

参考答案:    
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 potf r. 1tbus*o/int A, where the potential is -50 V, to point B, where t rt.u*obsft/1 he potential is +50 V, is

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xxxxxxxxxx，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
34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A proton, initially at rest, is acceleratedx(0r;dpdt0ls)l) e wg through an electric potential difference of 500 V. What is the k)w0;d )ler(xs0gd ptlinetic 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 electric pota 5 ay3+8rgnan-8q+ i/ n ztt:oavn:dyential difference of 500 V. What is the speed of ty5+ yqto:a za:v-a8 3a/ tninnd+ grn8he 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 thrg+a/ mur)r2 hj*aa ge/ough a potential difference of 1200 V. What speed doeam*grjau+/ h2 a/)e rgs 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 moving-faye1l- dd/ 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 dxteh2 vlp 2ayb 02h6;x8zomu*ifference of 500 V. What is the velociz*x8u0;lhoe maxy 62bvht2 2p ty of the electron 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 fr(ult vuu3rewe7w/4ivv 5di.7 om rest through a potential difference, and afterward the ball is moving at 2.0 m/sr3 .t(e 4ul7 5wudui/e vv7ivw. What is the magnitude of the potential difference?

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xxxxxxxxxx，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
40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 6.0-V battery maintains the elod e0xeuv1 y(*ectrical potential difference between two parallel metal plates separated by 1.0 mm. What is the electric field between the plates?ev1 ud0x*oe (y

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 V/m, is directed y k;auzz4b(0e30 zo dyparallel to the +x axis. If the potential at x = 5.0 m is 2500 V, baoyykze;300u(d 4zzwhat is the potential at x = 2.0 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xxxxxxxxxx，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
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 directe7f 8zvq 9xll 0n-ibr 1qcu+v(cd toward the east. If the voltag9z 8qlx07 1q- vlvub+c(fnicr e measured 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:    
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 electric fieldx 4t:8njkaii*9i e 3pj of magnitude 3.0 V/m. What is the change in kinetic energy of tapt 8n :3x4j9ijikei *he proton?

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xxxxxxxxxx，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
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, p.v*zeq+3 kb hare connected to a 12-V battery. An electron released from rest at a location 0.10 m from the negative plate. When the electron arri.h +zbpk* qev3ves 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 0.20 m, arq26o;ntc5 vt y9,j kore connected to a 12-V battery. An electron released from rest at a location 0.10 m from the negative plate. When the elec tr 25,ncv 9q6oyokjt;tron 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, separated by d/.px )hwg-2fh .ql6hqo.cil 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 positive plate, what is the speed of the fcdi.)lwoqh h6ph 2/gq .l-x.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 : z,.hr(nusoe 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 vol,(oze.usr:n htage at a point 1.0 m directly 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 the east. n4;smylu2p . ceqsl ,2w*m t;bIf the voltage measured relative to ground at a givsp;tb*cn 4elml 2w .us;qmy,2en 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 potendf-z7io 3izlh/5j.q8 -(ofzq (wbopo tial difference of 12 V, it will acquire a kinetic end3jqz zz(5f- 7i8/oiw- hfqooo(l.bp ergy (in the absence 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 distanch k;1dtq:3lo mya+ f0fg. t,vek-cgh8e of $5.0 \times 10^{-10} \; m$ from a nucleus of charge +50e?

参考答案:    
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 elec*,.gcu:e/y s s rlez3wtrical potential fy,s/lece.zswu* 3: rg or the 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 jq*qzw 47okb*(0, 0) and a -2.0-nC charge is at (3.0 m, 0). If the potential is taken to be zero atj 4kwqoq7b** z infinity, what 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)yfs9 yb/lzi, 8 rp 2:zuhi;7aj and a -2.0-nC charge is at (3.0 m, 0). If the potential is taken to be zero at infinity, what is the electric potential energy ou,ar pb;j siylzhiy72z:98f /f a 1.0-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, t,aw 77wevvw epxh*76 0) and a -2.0-nC charge is at (3.0 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 point (0, 4.0 m)?w ev7pt,e wh 7w6a7vx*

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 lnle+ : r8sp)x 0hckwk g2:;gja rectangle of sides a and b. What is the potential at the center of thelng+:x;)pj:2 krh lg08w ecks rectangle if q = 2.0 mC, a = 3.0 cm, and b = 4.0 cm?

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xxxxxxxxxx，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
56#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A square is 1.0 m on jtnf 07xnf2/ye0 .) pgt ,hfmua side. Charges of +4.0 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 absolute potential in the square'stnf e u,)x0mf.t/yj0hg7pn f 2 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 (charge +2e, mass x.n n;cnyk/i 1kah5y))2ggz o $6.64 \times 10^{-27} \; kg$) 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 plal5 wf4.ht zefd5 j6w*-f)h gkbce three charges, each of 2.0 mC, at the corners of an equilateral triangle o*4 j .h56l)t hgdffef5k wbz-wf 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 it6v38s0dm x qmxkay, .z is charged to 100 x8 ays z 0k3mm6v,qd.xV?

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 plat1 uh;we6y:w ptt0kl3yes 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 plates 1 na3ofl-x /szare separated by 0.050 mm. If the capo/ 3n-sfxza1 lacitance is 17.3 pF, what is the plate 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 caphix gt /jm-979vwohex4f * a)tacitor has plates 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 separation of 5.0 cm. If the po3)kuzfoj3rj+*ag2 j: 0fwkqmtential dm3o : 0qjrgfuk+ a)j2*w zjf3kifference between the plates is 2000 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 conneiyg-c c+4z 6jb3uc+lif (d031vvlap ccted across a 100-V battery. After the battery fully charges the capacitor, the capacitor is immersed in transformer oil (dielectric constant = 4.5). How much additional charge flows from the battery, which remained connected during the p3i czyblc41cavd3(g +cv6u 0l+f-ji 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 zmedtfa 7 a q*qjvld ,)l3q,6u0jx6 w:15 mF capacitor. How much energy is stored in the capaltmdq)d:jufav 7awx q,*6e360 zj,l qcitor?

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 i y t 3mni5s7*tvrot0 -sc-:mcws the energy stored in the capacit t7-cw-is3ymt*rsotc 5mn0: vor?

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xxxxxxxxxx，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
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 capacitor when it is cw x7zd1,7 bd.lo3elvionnected to a 12.0-V battery. How much work was done in charging this capacie7 .vd3lil ,1oz7xwbdtor?

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 s y c::ijv9s67r p5gaibo 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 capacitor consists of pmc51bstg xg q2p -7-:utii;z 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 of pls3tqa 3) ueu8yates 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 plateb kn)j2)dkokp pevq4p- .ft-*s 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:    
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 e.tc*ju e u.f/bsl .d(is constructed with 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:    
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xxxxxxxxxx，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
73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitor is constructed with plate ar ice,1z -*d l,aix)3cnr7jrajdll +x. ea 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 an(xxpkox t6(tahg 0h4 3y1l(kz d becomes fully charged. Thek3 l(yxat ( zhk6g (14xx0phot battery is removed and a slab 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:    
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 r)ftc*q43psei5 v gi) becomes fully charged. The battery is removed and a slab of dielectric that completely fills the space between the plates is inserted. )sq5 r34te i pg)ifc*vIf 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:    
  • 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

    试卷内容到此结束!   © 2025 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, 2025-12-20 11:00 , Processed in 0.379106 second(s), 180 queries , Redis On.