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://autoconfig.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://autoconfig.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.ujm) aedku0vk838bs 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
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One joule per coulom,mmb.hny2bw, r )f6ifb is 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 s *mi3 3hkh/p0:ep8 vtgbxna4 turroundings. Object A has a net charge of excess electrons. Object B is grounded. Wh/ih3ng:3ptp* vba xt 0 k4e8mhich 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 direc b0g0vjm:ba 3htion 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 opposiijazh 6 a:p70ax6we,rte to the electric 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
6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Several electrons are placed on a hollo:ts h.w61 4n.scwiqzfw 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 speed v 29kqe m l9 mqb*g+bt)ry6 j-agby a 500 V potential difference. If the potential diffegqrtblm m -*gyk)+2 jea 9q96brence 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 at the same potential is referrx 9lna dqs,xdjr838c; 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 is7oro.*e 72zpcxzs+6 gkw , fjs moved from point A to point B along an equipotential surfacez7o+e6 k 7 orpxjgwscz.2 *sf,.

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
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An equipotential surface mu )hg+dap .mz0cst 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 tog- .)j6ai f0fs cf*nla that on the electron as a result of moving through a potfga s.j)nf-li*a6 0 fcential 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 is n8 5qi3y.sns ya 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 correspondsfuy62 vtal w0g(.fby r0 ;j9qd 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 2a.is; nud8jer 8ym gy.a),h fpoint charge is 100 V. What is 8re2.;h,)ufsn i 8da.yaymjg 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 nh1g 1 3t18rq5nh h)uv)hlywhgegative point charge is -100 V. What is the absolute potential 4.0 m away from the same point chargrv)1t 3h5q8)l hghy1g1hw hune?

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 3.08-j qrcp2 riz8x4c wyoww**4 y V when a charge of +Q is located at one of the square's corners. What is the absolute potential at the square'syqyc8wjp2r-r 4cw wx8zi*o4* center when each of the other corners is also filled with a charge of +Q?

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
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The absolute potential at thqhpm;h7c/nd8. is : zyr7e.dop.g3vue center of a square is 3.0 V when a charge of +Q is located at one of the square's corners. What is themc8eh3ny;sh/:.p ur.vq7. 7 zdiopg d absolute potential at the square's center when a second
charge of -Q is placed at one of the remaining corners?

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
18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Electric dipoles always consist of two chargi4jzd c(irk ic -xg39*es 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
19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  One coulomb per volthq0unz)bj( iutt :)-/n*hw jw 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 identical in every respect except that t n 8n +37p)kh5bndfrhj2l m)sone has twice the plate area of the other. If the smaller capacitor has capacitance C j7f hbmpn2 53dk sn)nhl8)rt+, 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 capacitanb-yzgy n3c (s.ce of C. If the area of the plates is doubled and the distance between the plates is halved, wzyyb3c g.(-sn hat 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-pl56 o)z;nzj 8rd zl*gxfate capacitor fully and then is removed. The plates are immediately pulled apart. (With the battery disconnected, the amount of charge on the plates remains conj5nzrz)z lo 6gxfd8;*stant.) 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 between th mqf (l/9aoy8v5l bbv;e plates of a given capacitor is weakened, the capacitance of tllbm(vqyv9o;a 85 b /fhat 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-pl178iqmehafs94kmm-zp, u n5 pate capacitor are maintained with constant voltage by a battery as they are pulled apart. During this process, the amount of charge on the pla7ski- m5fp194,mm z 8haeq puntes 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 wi o3 ib/w txdb,p)8vuj5th constant voltage by a battery as they are pulled apart.8p3w5ux,dbo/t i) j vb 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 1b8im(xsvtiw7f 9u*ra dielectric material between the plates of a capacs98vbfutxm wi7ir(1*itor.
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/ 1vkx(w 3 czx(f ow4ik0p6pxd placed between the plates of a capacitor. What3 4x0kvx opc6f(zpwwx(/d 1ik happens to 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
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 capacitsp7l r0e*h.ulrm ;w h7 s,6jwbor holding a fixed charge. What happens to the electric field between t 7s 6ehs lhrr,. 0jwplu7;wm*bhe 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 +1gk k21bpavs6ovfrv50(h q,v2ccx tbattery and becomes fully charged. The capacitor is then h,vo5ap62vsk1ctv+c kf 1qr g( 2 vxb0disconnected, and the separation 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
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 caumv84f.fbe, wi;rvm,k oe.9f uses the energy stored f eof r mu8kb,,w.ife;vv49m.in that 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 a given capacitor causes the energy stored in t./k2pqi 7axxjnp0u7)hfec)za .a+ q n hat capacitaa72 z ah nxeq k7qp.xu/)0ni+)jpcf.or 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 move2,johrr acj( / 10 C of charge from point A to point B. What is the potential difference between porcoj(jh r,/a 2ints 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 sf -a2qx.flo6an electron from point A, where the potential is -50 V, to poi-f2 f6oxsalq.nt B, where the 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
34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A proton, initially atfdq c8:oac +nl pa ex).4z,vo5 rest, is accelerated through an electric potential difference of5,:l 8c +o az.4dpxavonc q)ef 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
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 potential difd fio:0g,9(g6 1cza6 v orlikvference of 500 V. What if9: kolc 1zvr g6ovi,0ai6dg(s 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 atm8 9n pp gnmx;cl(xwe-e453e potential difference of 1200 V. Whg(n; lpmc5n-we4xe p3mex9t 8at 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-d n av .-i2n3ykjlbq2 do in 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 accelerauvzaa2 1p*: au 2(p)urk25kvi ryk 2vbted through a potential difference of 500 V. What is th2yu*2uv)b5u2vr2k ap (1zkkr a:i vp ae velocity 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 accelerq nezv0si 1u4-ated from rest through a potential difference, and afteunz1-ieqvs 40 rward 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 potent 3+rod,l bmbh:ial difference between two parallel metal plates separated by 1.0 mm. What is the electric field between the rdb 3ol+hmb,: 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+ rko5shq)cj0a j e 2tp)ce11j 500 V/m, is directed parallel to tt )e0jco)jep +2h5c j1qka1 srhe +x axis. If the potential at x = 5.0 m is 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 dibe+sg btj; ql;1eh ;zn7q*n a2rected toward the east. If the voltage measured relative to ground at a given 2l gnqje;1+;;nb*sazethqb 7 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
43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A proton moves 0.10 m lx3 jjju)j:l- along the direction of an electric field of magnitude 3.0 V/m. What is3jx)jjll j :-u the change in 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
44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two parallel plates, separated by 0.20 m1:ba 0 i c0lt;wrxwf-y, 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 1 0:byfliwa-w;0xtr cdifference 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 b) v)3vfruwb n2p :9qmmy 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, how much kinetic energy does the ) mfv9r2mw3qvp) ubn :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 0.20 m, are connected to a 1vb ,hu/u -5gr-fk-yyf2-V battery. An electron released from rest at a location 0.1y -gku-ff, vb5uhry/- 0 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 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/Cpyi9bl px63 j; 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 directly east of t3p9i;yjpxb 6 lhe 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 a/7znkq e50x dN/C directed toward the east. If the volq5nk xza7 0/detage measured relative to ground at a given 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 acq :jjtuq(xzbg2 9h(x3vuire a kinetic energy (in the abjg( xbh3vq(u 92jztx:sence 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:6+b xsaptu0 t of $5.0 \times 10^{-10} \; m$ 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 potw nlw4fpvs5z-7 8qn3o ential for the center so 4n8- f7z35nlqwpwvof 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 cha)s mdski 50),pffumqgl3z+vr-10 r norge is at (3.0 m, 0). If the potential is taken to be zero at infinity, what is the electric potential at pointfs mizrn5vdqfo0-lm +up)kr), s31 0g (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) *;b g84kobjvsand 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 e sv*;4gkbb 8ojnergy of 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, 0) and a -2.0-nC charge is at (3.0 m, 0). If theciq1.gx y0d ho03:bnh potential is taken to be ze1iq3 dyho b:0xcgn.0hro 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 equa5l ow1;6aolt 1-ol:z8ed ifvr l charge +q are placed at the corners of a rectangle of sides a and b. What is the potential at the center of the rect 1vofle8tld 5:6ai; rowz-lo1angle 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 k5o*yfk0i1+zz b9h,r :xl nflside. 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 z yi 5ohzklnx +:0k1b*f9,frlpotential 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 (charge +2e,5/cv;x sj1mi9ov 36mu3owny l 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 of 2)i:tazhr 6fe/ .0 mC, at the corners of an equilateral triangle of side 2.0 :ift 6era/ )hzcm?

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
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 7c44 sys9lq hvcapacitor when it is charged to 100 V?vh sq9sc7y 44l

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 of are2+log-tmv, 7npnox1 r a $0.50 \; m^{2}$ 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 ( c .92k;gen j9 b3jtrkv(hqlfare separated by 0.050 mm. If the capacitance islj h(2bfe9jtc;n (9 .gkv qkr3 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 capacitor has plates okox o*j zg0pjt:f+g9: u)ylx:f 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. v1.81mors r suIf the potential difference between the plates rr11s8s u om.vis 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 isfyl d hq0rc.3 g*6q+ba connected 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, w .qcdhg +qra*6f 30yblhich 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 o*4;x,nz: qfjcv z6uegn a 15 mF capacitor. How much energy is stored in the capacif:cgvqj; z z* ,xne46utor?

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
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 capacito/) awsoa;agg, ;ss.tsr. What is the energy stored in the capacitawgs;a. /gsss;a o),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 plates of a capaci(zy35a9xx l omtor when it is connected to a 12.0-V battery. How much work was done in charging this capamy5a3( xzxl9 ocitor?

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
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 thaen zfh- eaa353t 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 plates of areq 079xnz)1eeutlv dj. a $1.5 \times 10^{-4} \; m^{2}$ 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 pldvns:y h./2v+ gje kw.xek0,zates 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 area yykd7vkf89jpr:ft8tx+ s (8o $1.5 \times 10^{-4} \; m^{2}$ 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 m 4i*yma (6gnsarea 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
73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacitor is constructed with plaqh9+ rm0ce.::kfbv fjz ,k j6wte 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. z,clj1h fse b8rd-h( )The battery is removed and a slab of dielectric that completely fills the space between the plates is inserted. If thebrhl(j8s-ehf1 zd ,c) 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 connected to a 5kq uk0di) 5b; *z-ldes ,pytl*0-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 voltage across the capacid il;- ksyq)*pu0dtkb,5l *z etor'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
    本平台(https://autoconfig.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, 2026-4-17 08:39 , Processed in 0.395718 second(s), 191 queries , Redis On.