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



 作者: admin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 a vector?igmok u/: .9gk

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 1+ dckc a, -2yz6fglduis 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 insulk 8*9fywtz4 yw i r;.sl2cer0gated from their surroundings. Object A has a net charge of excess electrons. Object B is grounded. Which object is at arekci;yz4wfw0gry. * s9t8 2l 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 thel4i6gtd m xs t7t3k ue)0-bm/w 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+ fkzcg-96q;gp a 3bej opposite 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 conducting sphere. Th5thtbe.2q+u9 al zuww l,:a6pe+nu w2ey

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 qb/l624i ph ib 8gagm*,zw+jwby a 500 V potential difference. If the potential difference is changed to 2000 V, what will the new+zglp imbaq/2b86ih,* g wj w4 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 poe:/gd8fywyb9a jfx. 7tential 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 p1 *99wgxhdl:ox-x ohs oint B along an equipotential surface1xx*dh 9l -: shgooxw9.

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: bbu ozbp9ia.+5;/a hpzo*fx 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 qoqdwnlm 1zx9*m+ q5b79p u6j -v9mm sby a particle carrying a charge equal to that on the electron as a result of moving through a potential diffqq1on xplmw 9ujb6- 79s m5*mzv9q+dm erence 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 0py+;nw7wuycuf8ab9 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 corresponds tbyfi+w3kbs) , o

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 poo257eon; .z 8kxtg orcint charge is 100 V. What is the abso7xzkeo25 onc to;8.rglute 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 pointxt fisql52w n6dn.7d., ahcb1 n :m4+bc 3hqcm charge is -100 V. What is the absolute potential 4.0.3nd1wsta m7 26+nd4fbqn,bh: ccxi hmc.q5l 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 zoj ;qf5ep)ckk7f 3-kof a square is 3.0 V when a charge of +Q is located at one opf73;k-kz kfoecq5 j )f 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 square is 3.hl o l0hkyj*elo0p .-)ste y,60 V when a charge of +Q is located at one of the square's corners. What is the absolute potential at thelsl6h0 yej,* l-op ht)oy0k.e 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 two chwwq(xue.12i 3tc5l dsarges 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 i4: r6)oz sj (pcr+kfcns 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 x;abnmve cv,o 66 mx:ds.*j2i1nabur3s r21iexcept that one has twice the plate ares b mia;b16r2ia cvor32 6,*j:s1umxndx v.ena 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 haycce dn(+: 9 yv2sxw7zs a capacitance of C. If the area of the plates is doubled and the distance between the plates is halyzc:2 xnwysc dv7(+9e ved, 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 paralleb s :zg. mcuydjqw5*)(l-plate capacitor fully and then is removed. The plates are immediately pulled apart. (With the battery disconnected, the amount of charge on the my)w :g.zcjs5u*( dqbplates remains constant.) 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 the plates of a given l6rs8y q ,*7stpmx glai4 i3x5capacitor is weakened, the capacitance of that capacitol5t3a,pmi q xisyg 4 8xr76ls*r

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 parah(ah368 8 sz4 (lcfuzukca/v mllel-plate capacitor are maintained with constant voltage by a battery as(zvcs6f cu/m( 8 k3a alu4h8hz they are pulled 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 parallel-plate capacitor are maintained witg* .l n /dcg,04na+ocsk nu-fth constant voltage by a battery as g*4sgku ,f/datn+nc0.o cl-nthey are pulled apart. 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 between the pl sriq3( p24xlwates of a capaci(wsi qp 32rx4ltor.
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 i sq h/q-;b)sxazvyw 3kvce9.6s placed between the plates of a capacitor. What hva3- qzy hc9exw.s s6)bvk;/qappens 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 platld8 zf1;w 5ixy drg5q/es of a capacitor holding a fixed charge. What happens to the5q rd;w/ fxigd8zly1 5 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 capacit,oljbfc 2dm 1isv3 79ror is connected to a battery and becomes fully charged. The capaci3l9cms7or i j2v,b1fd tor is then disconnected, 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 a capacitor holding a con fu6klk)hk ,j7stant charge causes the energy stored in thjluf)7k k6,h kat 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 gimrg0 co;,2x.xy. vj 0, gaj3vaz5vfdm qm8lh :ven capacitor causes the energy stored in that capacitor toh drvg lxm v2;xqc.,m3a,j y00mo.z5gf jv 8:a

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 Al8zcct:ea:6 *vji)a.c c9giz m7tb 0c to point B. What is the potential dicg7cv 9ij:.a:c c*z a 8 6eitl0btc)mzfference 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,rq) 22wa tg+tu where the potential is -50 V, to point B, where the potential is +50 guttr)22+aq w 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 through an electric potential hvmpipl 40jt+ e+:dxs :/pf. gdifference dlvhe 0.p:fm:+ig/j4+spx t p 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 el3 -j qyphaw- 2nno,3gkectric potential difference of 500 V. ownjk33- 2nh y,agqp- What 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 fa pnl cl0,ekhn4th4ptw89-hrnk d j7/r6.v:w mlls through a potential difference of 1200 V. What speed7nnmh/v9-ewhldk6p8 l k4hp 0jc, wtn:4.rrt 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 mocx3peel lh ,zp:l3gmz mz5*dpj3.*p/ ving $8.5 \times 10^{18} \; electrons$?

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 accr 1ip (-8jswo9el i8scelerated through a potential difference of 500 V. What is the velocity of the e1 ilc8pw rs8oi9(- jselectron 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 jkq;p42qwa 7 urest through a potential difference, and afteru;q4ak q2jp 7wward 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 electr * ,4w1w4wiv*2 p m ulq7gxrtvj/tncv;+pl)x hical potential difference between two parallel metal plates separated by 1.0 mm. What is the electric fielgr+ umjxvqw2nwc4 lit*p*;wt v 4pxv ), l7h/1d 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 50 jxji9bhxs/ tkpq-a7: o.bl a magnitude of 500 V/m, is directed parallel to the +x axis. If the potential at x = 5.0 mkx:j0-asqi xpl/bth5o 7b 9.j 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 fixng :qz:)fx i zd; q6)ezx*f/leld of 50 N/C directed toward the east. If the voltage measured relativ)nlzgdx ::xz* /; )fxzeiq 6fqe 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 ell1gvpw(s(wg -ectric field of magnitude 3.0 V/m. What is the change in kinetic energy-lp(wv(1gwg s 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, smyyr9bg 7sp sq)u)f*-eparated 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 1.50 m from the posuy)y ssgmr-)*7qf9bp itive 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 connected to a 12-V battery. Azu;8 az7i/ggj n 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 posuizz8/gg7 ;ajitive 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 0.20 - .ctmdghi6u3v4ovx .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 g 6.x43mtdv-.iouhcv 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/ h2i)wco gght3r( jx4 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 at a point 1.0 m directlytc(o4 hxgh2i wgj3/r) 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 pz;ib .-oo5yjf;f m z5*q1yhcthe east. If the voltage measured *ocm-hi b;;.515zjf qzyoypfrelative 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 ot(xca:c.8-k h h.t) anq8puref 12 V, it will acquire a kinetic energy (prexc c8(nq8.ahua)h k-. :ttin 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 r;w7m+c/q :n d2s+xi aoj6bhi distance 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 electrip;vr;n*5ijq,tqq +jv+v - w cocal potential for the center ofv ; q5tc*+vvj;qwor ,i-pqjn+ 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 charg/dyrz a 2pdmlah l(i5f2117cx e is at (3.0 m, 0). If the potential is taken to be zero at infinity, what is the electric y 125a 1(plia lxfm/2 dd7hczrpotential 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) and a -2.0-nC chdnxn2vxma0*9 y)u so pdev 7wq;j4 6;uarge is at (3.0 m, 0). If the potential is taken to be zero at infinity, whay;*0depoqdn6 j;vu4nu92) awm sxvx7t is the electric potential energy 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.s;h:; zfriax7qe j8*p0-nC charge is at (3.0 m, 0). If the potential is taken to be zer spxrq7;*e:jiz; 8af ho 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 plakby8+jyxz-u rq2vmmq-0bj+ / nrno:+ ced at the corners of a rectangle of sides a and b. What is thyo0-+ m/zb y+ 8mbjr-nr kju+:vq2xn qe potential 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 s:9racxhv 85ko bi8q-gd o e6: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. Wh q8go:5rich9v-x 6oeb sa:dk 8at 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, m-p/y;ir8ar nakqep)f,* 3ro k *rqrs4ass $6.64 \times 10^{-27} \; kg$) 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 charge0e8ihdy0 dzby/) i2 2w3n r.n so2ssbjs, each of 2.0 mC, at the corners of an equilateral .brss0 2yi sn h8nb/ o2d30diz2)jywetriangle 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 capacitor when it is charged tz 8(i3 hso4 ,xxf7mgrjo 100m z 83x7fogi(sh,rx 4j 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 has plates o9 p s**y4wuelwf 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 eptl* fq773 ara5,bbje r0q*wseparated by 0.050 mm. If the capacitance is 17.rbjt7a f*q5p ,qr*7l e3b0w ea3 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 capacitobq/2 f-drd5l-ri4:yu;itb +m. stp n dr 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 sepa9fu 6c+ej y8mwpck)h) ration of 5.0 cm. If the potential difference between the plates is 2000 V, with the top plate at the higjcmke+ ucfyh p6)w98)her 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 connectedlv9v(h* 8ysek across a 100-V battery. After the battery fully chaveyl* vk(s9 h8rges 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 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 capacito7fp:3hfmphs1i ch a a 4kg5(,ur. How much energy is stored in the capacitor ps 5(g4pfu hk3aifha m7,c:h1?

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 tq tl3yv1*p ivkg(p/60aic(8+ ohvvbihe energy stored in the capacit3t*(8ipoivc0qg( 1y+p 6v vvikh /a blor?

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 it is 4goh *621h9ncxm8g6+wzpenk+vuj sq connected to a 12.0-V battery. How much wunwko8c9ph6 g qze*+h26 jgxn 1 s4+mvork 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 ch, lmtn.cfhn-y1t/ e .rarged 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 consists of plates of are 1x qlratere:h-el .8/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:    

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 consistsn vo b5rs,s .o.t5e;xy hste+rb3/6ow 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 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 l6pb1.ud.pt fs9ggs)/b 5lqbfa sm.1 )re 4n nof 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 ii fwkm. sn+(gd j)qo3r4 *d4cks 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:    

标记此题
73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capacito-olt vhu92eo4 + )1oeebb cc4sr 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 a 50-V battery and becomes fully charge ,g kjb+ m0earp /ohlh33(p;ikd. The battery is removed and a slab of dielectric that completely fills the space between the plates is inserteo0;ajpmgikhh3p l(k bre,3 /+ d. 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 becomes fully chum.e6hd4 s/:ylk9ths arged. The battery is removed and a slab of dielectric that completely fills the space between the plates is inserted. If the dielectric has a dielectehu 9st/ d:6 .skmlh4yric 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
    本系统支持习题练习,作业与考试三大模式,作业考试自动评分,成绩排序一键导出,可设定动态变量同一试卷千人千题
    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

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

    GMT+8, 2024-12-26 16:22 , Processed in 0.407245 second(s), 171 queries , Redis On.