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://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://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 vectorz47dd)5ui,l9jm sj r9z/h6c+ y vhh gd?

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 w mv*nz.w8 sd2 kb5zbzm8:-iois 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 insulg u)e0h6 xc/r bznvayjwb (91tt/p .f.ated from their surroundings. Object A has a net charge of excess electrons. Object B is grounded. 1j6/)wuxb . zgp/b (hny rtt0efv9 .ca Which object 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 electriu7x5g;uyk 3jrc 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 oppw-7trrtv g2dfgxj 5ukr;0f-6ld+ 6 j iosite 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 placed on a hollow conductinhwb9dtlex609 g 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 speed nnf9 he):h8e u ,0 wjl5bi3kxuv by a 500 V potential difference. If the potential difference is changed to 2000 V, w3hu i ,be5ex0hnfl 9:j)wnuk8hat 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 same potential is referrj h1mvfpsotiy.rhb; n3( 83b) ed 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 pointr *hhy w7 5(shhh41n0mja+ zdn/o+sc e A to point B along an equipotential surface57 hs +zr1h (h+n0dwm/cyh4*has ejno.

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 must 62/,g3avzw br tek u jr;d6xd1(dy9nhbe

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 t :/py j/p kz.c5mk:.mlpvvi9b- biw+ao that on the electron as a result of moving through /: yiacpb pm.mpkwj -v:b/9+v.zli5ka potential difference 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
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The electron-volt is a unitw3zh koubo: ;0 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 corre byur;l1 *jk68 sypw*du*j: kh2euo0fsponds 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 r k m wud1l,dpq/7c ,ciq0ic5+of 2.0 m from a positive point charge is 100 V. What is the absolute potential 4.0 m away170r/c ,c+kic,q5lpw dimduq 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 negative point charge ko2qs-lz60kn)fv ej;is -100 V.qo;lkvfe k6n0 -2)sj z What is the absolute 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 is 3.0 V when a charge ofn8dx jn1zaq.. x;3wek +Q is located at one of the square's corners. Wh.d.e;n1 nxxqa k8w j3zat 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 nv qui uln/iu27.51v9yjmom0 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 thej .n0ylq2v/9 u7mm iuoi15uvn square'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 /rji 7 q9k/kgstwo charges that are

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
19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One coulomb per volt i hybd0fy +j70i+bsz/rdoz0b r: 7vt/vs 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 exceph m) j0ctjk+c-t that one has twice the plate area of thchj+k m)c0 t-je other. If the smaller capacitor has capacitance C, the larger one has 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
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 /yi6djd3cz y- is ydij/d6c z-3y doubled and the distance 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 andabi :0c1 (1aeatg qbnsgkpz0u +2 w+i61 mp3ub then is removed. The plates are immediately pulled apart. (With the battery disconnected, the amount of charge on the plates remains const1+1qiu0u 2p b(3 cais1:wkggm 0babzae 6t+ npant.) 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 bef(r.c( e 4b4xajrxln* tween the plates of a given capacitor is weakened, the capacitance of that cap(*.xnlaj4rf r4b (xecacitor

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 arebh+ nyk 0;fqbr/14 wb9q)9 irbzkln ;i maintained with constant voltage by a battery as they are p0i9 k4 +9;iwb) lnybrn1qk rzq/bb; hfulled apart. During this 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 parall gwpt47h(4 vviel-plate capacitor are maintained with constant voltage by a battery as they are pulled apart. What happens to the strength of the g74vwih 4tpv( 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 materia smy** n.lcdhi 6mg mv1)6:odtl between the plates of a capacitor6d6mvg *mts1cnh im:.*o )lyd .
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
27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A dielectric material such as paper is placqomy h k3v(0-eed between the plates of a capacitor. What happ h30oeyv(qk m-ens 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 /rfp2 )5a mzpgrd39oga capacitor holding a fixed charge. What happens to the electric field between tzma9fop )3d5gg 2 rrp/he 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 a battery and becomes fully char7mymj7 t lykxtau-ppyu 1r f:,t461r9ged. The capacitor is then disconnected, and the separ l tyjm,pf1t p9ry 64-xuat7u7:rmky1ation between the plates is increased in such a way that no charge leaks off. The energy stored 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 holding a constant charge ca qh)fiwq( w5 c0be8tlc1w3+ey uses the energy stored in that ca53eewbwc 180fqw l )iqh+t (ycpacitor 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
31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Doubling the voltage across a given capacitor causes thw5ceqz w8cm -6e energy stored in that capac5emc-w68qwcz itor 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 from point A to point qu+ 7,m*jce ucB. What is the potential difference between points A anc *euqmjc7 +,ud 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 movcv8udt3g r3iwabg7, n8fb 97ving an electron from point A, where the potential is -50 V, to pr883d9 tgngv7ac73 bf bvu,i woint B, where the potential is +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, is accelerated thr9zg wsc,.ykg(oqe.948fpx 5i 08phuay1mm dzough an electric potential difference ofz . mdf g w.gpy994p8su y(e q,8xc0zk1hio5ma 500 V. What is the kinetic energy of the 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
35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A proton, initially y 045-wyp; oun uv4roaat rest, is accelerated through an electric potential difference of 500 V. Wa4u op;y -nwyv4o5ur0hat is the speed 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 7g6ue;rv), dq6nkjf c 1200 V. What speed d jg, kfr)6un;dv7qe6 coes 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 ind2a8fz yo 22a v:tbww0 moving $8.5 \times 10^{18} \; electrons$?

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 accgnn .mj9 21w nl:y2bbfelerated through a potential difference of 500 V. What is the velocity o:n b2fy .m 1g2n9nwljbf the electron afterward?

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
39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 4.0-g object carries a chargek jg28f/afffl 1/rso,.gwyyejv5o 4aek +; 5d of 20 mC. The object is accelerated from rest through a potential difference, and afterward the ball is moving at 2.0 m/s. What is the magnitude of the potential d/e f2wy8 oy/fd4k5a1lvgr, +a5e;f. gkjo sjfifference?

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 tht6hd ,zmkwtjcoo )+:6 e electrical potential difference between two parallel metal plates separated by 1.0 mm. What is thez+ t cjt6)wod6hok: ,m electric field 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 V/m, is direct1pc d5yl (b:dv;soo1+:mn tmyh:fj9 :g mt:p oed parallel to the +x axis. If the potential at x = 5.0 m is (ctg1:jdpyt9;po1y:fml h+mdo:5: ovmns b :2500 V, what is the 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 electric field of 50 N/C directed towbfo3, mcy95md gd- v;j;swkoc09g1rl ard the east. If the voltage measured rfcd cl9wj0 o-go9 br3s;5v 1 ymk,gmd;elative 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
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 field of magnhy +v+,yn 88uwfcy f*vf5;euhnl *a b/tw0z8i itude 3.0 V/m. What is the change in kinetic ener w5*w*yafh b;8 8+u/ c8u,0vnfzh+ iynvflytegy of the 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 u (ig:)pf (tq x1y6/czj 2kiq)cvha;s 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 1.50 m from the positive plate, what is the potential difference between the initial a/p cq v6;uxtgay:ih )kfi()( 1c2qjs znd 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 b; yo6vm.lw,.f au(m2spavjc , y 0.20 m, are connected to a 12-V battery. An electron released from rest at au;s, 6y2fvmmj( aaowlc p,..v location 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
46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two parallel plates, separated by 0.20 m, fpw;+ + xcpw: n;5yityare connected to a 12-V battery. An electron released from rest at a location 0.10 m from the negative plate. When t x;;w5nw fy +:cpit+pyhe electron arrives at a distance 0.050 m from the positive 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 the easzq+)aa - voz/j9l,hjc t. If the voltage measured relative to ground at a givez9cj-l aahq/),j oz+v n point in the field is 80 V, what is the voltage 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)umjio*o7 i n, 5depn4 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 m directly7o n*5oen4 iui)p ,jdm south of that 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
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 Vvjx j oseq61un :(8nwvzh r.**, it will acquire a kinetic energy qhzoj:w1vns8**urex v (j6n.(in 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
50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the potential at a distan7y6u.j6ov4dw5 v/kusjf ta8ice 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 electrical porolgi6kqt/s.) b(n f0mxzx)/ tential for the center of the qx6b.g/k t)/nm(l zsoif) r0xmeter 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 c;xu-, i.cpu6b :c jfhbharge is at (3.0 m, 0). If the potential is taken to be zero at infinity, what is the electric potential at pop6 f;j ,.ubhbx ci-u:cint (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 a-o y5u-q3xrcn t (0, 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 electric potential energy of a 1.0-nC charge at point (0, 4.0c-rxuno5y -q3 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
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 (3.0 m, 0). If t) hi.o:8cwv gihe potential is taken to be zero at infinity, what is the work required to bring a 1.0-nC charge from infinity t:o.iwgvh8)i c o 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 rectangle pr+tlr fgq/ g*(z)zw4 of sides a and b. What is the potential (gf 4p/*w+grzrl )qtz at the center of the rectangle 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. Charge; umqzl)7 6ewus of +4.0 mC are placed in two diagonally opposite corners. In the other two corners are pl6mwuu) qe ;z7laced charges of +3.0 mC and -3.0 mC. What is the absolute potential in the square's center?

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
57#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An alpha particle (charge +l6 s:0z0f* vf /frclxy2e, 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 three charges, each ofv30jeh : 0onlmr:3)drthb4yk 2.0 mC, at the corners of an equi:rt3me:lh0d v ry) j4kn0 bo3hlateral 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 pla8j(feqxn1i s,r 8amb -tes of a 2.0-mF capacitor when it is charged to 100ijxbr1af qm -,e8n(s8 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 capacito: 0qsdx(8gwnd3n p wc4r has 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 filled oteg ec qy05ok-;lxr. )*fk6c with air, and the plates are separated by 0.050 mm. If the capacitance is 17.3 pF, wh e ky )k-lcogre56ft;qx* o0c.at 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 capacitor has plates oq/p 2a4j,l1krsg:: fz/r2d-uchkrd zf 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. I2i 8gk228xqmk7t cpq of the potential difference between the plates is 2000 V, with the top plate at the higher potential, what is the electric field between the platt22m8kq7 g2xpqk c8oies?

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. A i*(w4p e9uuspk1nd,bt c:s*after the battery fully charges the cap* 9taki*1 bs edupun4 w(,cps:acitor, the capacitor is immersed in transformer oil (dielectric constant = 4.5). How much additional charge flows from the battery, which remained connected during the process?

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
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. Hoc 2)e6 hpaj2 duz5m5npw much energy is stored in the capaci2 5)nhpde6pmac j2uz5 tor?

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./)ki a +)pvfdw What is the energy stored in the capacit)/iw)p ak f+dvor?

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 flh*ef 8ru*zy hylbs:7;ows onto the plates of a capacitor when it is connected to a 12.0-V battery. How much woryf**u;rlehz7:sh8by k was done in charging 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 stores 7kcusupk d9w+sm x (:7$2.0 \times 10^{-3} \; J$ 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 6mjsy7xr-r sh,wv1i y:ft) ) 3jj.pbfplates 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 plao -spazscm -qj16ud:- tes 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 plate*sly aizi;*/ b+u.z7njyar4 xx *do50kraq)us 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 is constructj3 mnvlp/y r :z.:aet2ed 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:    
标记此题
73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitorx 2f s *7i/zxf.a(faej 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 cogpn k-j*;r8h wnnected to a 50-V battery and becomes fully charged. The 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 cajgkn; p hwr-8*pacitor 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 chargepokab .f 8d;l9d. The 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 voltage across the capacitor's plates after tokab ;ld8.f9p he 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
  • 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, 2025-11-5 07:01 , Processed in 0.755798 second(s), 180 queries , Redis On.