题库网 (tiku.one)

 找回密码
 立即注册

 

      

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题库网 (https://tiku.one)， 为试卷打印版，您也可以在网站平台(https://tiku.one/)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://tiku.one/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: admin  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 i h2g;:p4 pvidos not 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 a2250o2aer -cnlh6 hponp6jsj u6j)g t

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. b( li2biiia1f7)t,bp n3w(aqObject A la(inpi3ia, )b1fb7w2tbi ( qhas a net charge of excess electrons. Object B is grounded. 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 ix)gjc.rrrp0vz 40zff sp10n8 n the direction 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 electric :tsc;o)g9u3)xmrqa x 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 placedn-9e jwnt+k/ .rl)dkjz y :r(a 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 restcqd 7s8u b;j2m, p 0lc/matj.b to a speed v by a 500 V potential d/0 u bpj,ms 87m2qtab.c ;jldcifference. 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题库网 (https://tiku.one)，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 7; t -hs y*yzmewat7,jreferred 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 pq.hdegfmtp9;n(foxoa w 07jt:6a +i ;oint B along an equipotential surface( :iw 9;+tj.a agfn; pq07fomxe th6od.

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 ix+(vqjkh mi3(7kag 9 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 ji0f7sq zuxfv1jztm :c6ca* +,1 ee0pcarrying a charge equal to that on the electron :tj c ,*szjz ux1+fmefcv1e 7 06apiq0as a result of moving through a potential 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 a unit e;na uh(pu* ymy:t0.g b( ie1wt -3iyiof

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 correspondspd4f:; ky2uj0kge )i o 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 posr5 w53splj5 2c at9cgkitive point charge is 100 V. What is the a3 5p 9ka5wsjtccr52lgbsolute 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 negative v9 gar +2.ws-ev2px fnpoint charge is -100 V. What is the absolute potential 4.0 m away from the same po-ra+ n gfs92xpv vew2.int 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 sq(dhp3fn32iqpxsp6w ac :+o-u uare is 3.0 V when a charge of +Q is located at onis-px+d(pq u2awf3chop3 6 n :e 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 sq ,0s+luxrat- iln--;umj8. pl4. ylinsou7 wpuare 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'7pr.;uslmpn8o4-0n-. ,uij-xwaslu+liyl ts 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 that ar7(/gnozfp lqj58 k mktd8*qwe6 u x5h9e

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 anry)l n3ysj wrg0jht e)98j./

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 respe d14 jve)modveh7yxj440 9gd zct except that one has t0vd x 4emed4v zy4jjgoh )9d71wice the plate area of the other. If the smaller capacitor 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. Ifzptl,9p ; tywkua-;z/ the area of the plates is doubled and the distance between the plates is halved, what is the new tkp, u;w t;y 9zp/a-zlcapacitance?

参考答案:    
本习题练习题目来源于题库网 (https://tiku.one)，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
22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A battery charges a parallel-plate capac c r5u.gkd+gj4itor fully 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 gkg j+drc5. u4they 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 the plates of a given capacitor is wea(ywao- v x:m2tpkpi* a 3).lgekened, the capacitance of thap: 2*gxea ky)wt(m3v l-aip.ot 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 maintainhm;9.2abnsn- :mt zdn ed with constant voltage by a battery as they are pulled apart. During this process, the amount of charge on the plates mus:;m d- na2zn9hsntb.mt

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 consta b/ z,u0s s.prpu4u:cbamj*y+nt voltage by a battery as they are pulled apart. What happens to the strength of the electric field during th*m0pr+s:su a z4c buuyb,j/p.is 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 of a 5xb (gj*k6znn capacit*5n6g (nxbj kzor.
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 szd dvol (l2:1as paper is placed between the plates of a capacitor. What happens to the capaz1dldo :2l vs(citance?

参考答案:    
本习题练习题目来源于题库网 (https://tiku.one)，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 d)lzqufl4m :, kn 27j,jjj:re plates of a capacitor holding a fixed charge. 2 ql ::e)ud,jfm, jlkzjjn7r4 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 co1,ek7rogwqf6q y d b1/nnected to a battery and becomes fully charged. The capacitor is then disconnecq1 e,qr fgb1dk/ wyo76ted, 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:    
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 v ok;*upa,a)na capacitor holding a constant charge causes the energy stored in that c,oun;*a)vp kaapacitor 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 sto ,znpf( :ue0driremq5v3xh05z- b7n yred in that cb ,n zr 5:(ie qh3 5enz-f0r0dmuv7xypapacitor 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 B. Wo8nxqya *j4go3 wwnxg:)8 o(chat is the potential difference: (n w xgyo88j oco3gaw4*)qxn between 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 point A, w (*7h y40 zhi zkuio/ctq+ivr9vm)3ylhere the potential is -50 V, to point B, where the potential is +zyhi/i ou3c+4kl vy*irmq9t h7)vz0 (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 kalsma2a1rp6 0agi)5 accelerated through an electric potential differek1 iaal2m5p0asrg a)6nce of 500 V. What 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 electric potential dide939 ;khg j7-8wx kqtc1anro fference of 500 V. What is the speed of the proto1r- t8;qwdk xn ko9 jehg973can?

参考答案:    
本习题练习题目来源于题库网 (https://tiku.one)，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
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 potentia3s7szs3.y k ffl difference of 1200 V. What speed does it f.z3kfss73 ys acquire?

参考答案:    
本习题练习题目来源于题库网 (https://tiku.one)，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
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 i p2*chtf.y; sxia9dg /t(/lcyn 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 accelerated through a potential difference of 500 V. wv5o r) wi pvooso8jjv8db104w(l -e 9wwlx /1What is the velocl40)oolo(wpx 8wv 11-5r8s9ew v dwio/ bj jvwity 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 from rest th um b+/qszcx0kb8p6 1trough a potential diffps +bb z6tucm /1x80qkerence, 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 electrical potential differexhni2to+i ztq cwc0)w;n 5t8)nce between two parallel metal plates separated by 1.0 mmqwxitc02nt; t)z5i wch+)on 8. What is the 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 magnmn d23v 5es c(8 4hx9gk12ysxf5vl7ym ff;ohhitude of 500 V/m, is directed parallel to the +x axis. If the potential at x = 5.0 m is nlx4dmsv;25m fo 29ysh(135eh 8ckvhf f yxg72500 V, what is the potential at x = 2.0 m?

参考答案:    
本习题练习题目来源于题库网 (https://tiku.one)，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
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/itf7g 9 gmjp 105t:jldC directed toward the east. If the voltage measg g :jlf5tt d7m0pi19jured 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 fiel)yk mb rj+b;1ld of magnitude 3.0 V/m. What is the change in kinetic energy of the proton rb kj)+b;m1yl?

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, arey r n iw0f o;2zlv -gx/l(lnvwv;n1:h; 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 positiverv/lw ;2z(hnwx;v vl0 ogi1nn:-y;lf 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, are connectedcji u:ua09z:o bb7p;n 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 uju7n cbb: 0 9az;:ipom 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, (4gf-danwf s+separated 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 g+s4 fn(-fwadthe 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 dik cylrzt5k x phb4:20/rected 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 y 4pktxb2:lk h0/cr5zof 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 5k yix0.;7 m.u9nx20cz byahq,knvv,o0 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 xnmq,i hzv.;2bk 7nko9u00.v y c yax,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 d zxod-k5,pwj*duzk qpnii+ : 17 b h7y-:d7qxdifference of 12 V, it will acquire a kinetic energy (in the absence of frictio7bx:-q hx-jd+p 7 ud5*wz zki1pi od k:dqy7,nn) 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 distance ofc -r5u6zk mtj.l:zaevi 4n15a $5.0 \times 10^{-10} \; m$ 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. Findfem ;d.u;-j)xs2w b o(f+afxb the electrical potential for the centerm( deu ja;-2x+fb;.wbos xf)f 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 (3.0(gp i*--w , u22rrov /bagrqunpwo7v1v*5 buc m, 0). If the potential is taken to be zero at infipprug,1vbnv2wou (q7ra5iv g-bc/-2u ro *w* nity, what is the electric potential at point (0, 4.0 m)?

参考答案:    
本习题练习题目来源于题库网 (https://tiku.one)，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
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.xch0vpj)gi. yejaa;9 9c6y5 n0-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 pointgjva pe5j; 9)h .aic9 y60ynxc (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) a(mslogp*fp7qwlt 95pl-5 q 0snd 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 requirl95llfspp op7 m*qw0qs-5 (g ted 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 u 2s++*ydzjxxa rectangle of sides a and b. What is the potential at the center of the rectangle if q = 2s jyd2x*zu +x+.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 +4.0 mC are placed i2 bh)xbqwud 21n two diagonally opposite corners. In the other two corners arqubh2bxw2) 1d e placed charges of +3.0 mC and -3.0 mC. What is the absolute 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 (charge +2e, ma:j4q6 9szqtes:vp-oht6 xz* vss $6.64 \times 10^{-27} \; kg$) 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 2.0 1lbu 2 yo m;yw90l;mqgmC, at the corners of an equilateral triangle of side 2o1mq;lylg2 ub9 m w0;y.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 plis6 dtb.;y-pd euahimb//): eates of a 2.0-mF capacitor when it is charged to 100 d-i;pu/ :6y b/ih.dee)sbtma 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 capacitot7,leby8 n ug/r 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 with air, and the plates are separau nlt6.6r0beak2.alus x6y3ub2py +rted by 0nby 6asluk2ep. l66yb32.+xuruta0 r.050 mm. If the capacitance 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 capacitor has platesiq/*/mvap0+,pnpa*m xq ed5luq 3i:5a 4n ecr 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 potentia(zfc50bnt:8utzaa9 xl difference between the plates is 2000 V, with the top plate at the higher potential, what is zf 5(t8ct9bn 0zxa:ua 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 isp-hdt;6*7kse plu m: d 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, which remained connecte m pkd:tesh; du*6-pl7d 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 pla-wo4(dmnr xs- ced on a 15 mF capacitor. How much energy is stored in thn4 d os-mwx(r-e capacitor?

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 sks8o0vpkr + s6tored in the capacvk+kr 6 0o8sspitor?

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 capacitor when ick 4wudru -klo771f-eswme 8/t is connected to a 12.0-V battery. Howc-- s8m/l7u fwwere4uo7dk1k much work 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 chargem k56oj1jm 8bld 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 capacitor *6zw 8p06 ofvry2cmt gconsists 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 of platqqz69)(w wx5p3ne7 ptizc y ;ies 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 consist-1lu ga44 g8gx ,ogegss 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:    
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 areah13 v0ihp :kts/ e/oxl 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 capacitohfgf iw*h)kvfs+ vv8.jc8w - wrcg,(:r 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 connected to fsnr:e efdz 93y)/-upa 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 capacpe yr3ffe/ -):uzd9snitor 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 ql-hcty,j 5y, g6 vun1charged. The battery is removed and a slab of dielectric that completely fills thevyy,6n ,t q5u1cgh -jl 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:    
  • 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://tiku.one/)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!   © 2025 题库网 (https://tiku.one)版权所有

    浏览记录|手机版首页|使用帮助|题库网 (https://tiku.one)

    GMT+8, 2025-11-15 20:55 , Processed in 0.457527 second(s), 171 queries , Redis On.