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 followingwik)e.s0yz9 xbqa,a,5 v)d ov is 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 coulom +3w2l i hxz/chxknd8:b 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 alumin sab(;kfq xt b4:rs8n5um objects are insulated from their surroundings. Object A has a net charge of ef:n4ak ssqb 5x tr8b(;xcess 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 in the direcx v fnzp9;)k ts7q ilp*qz07n)tion 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 electricr7, ,lqi+qky2g c9khs 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 placed1 baq35fxrt:b 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 g.oo c 9cv23ul0/cmf sis accelerated from rest to a speed v by a 500 V potential difference. If the potential difference is changed to 2000 V, what will the new speed of/ cg3fmovc2.0 soul9c 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 yatpv8 4d b;(jthe 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-jz*jsrv7m nj6+5c e f point A to point B along an equipotential surfacesjv+mz5 ncjj *6 re7-f.

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 must08ed e:ptxl*k 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 caltqtk7v/ h/) eb,fn*p rrying a charge equal to that on the electron as a re*tv), lbtn fpq he/k7/sult 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 unbh66wth cy jt1rhk0k*(tzi9aw8xa r5 vq +75x it 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 correspondijt2mbxt .gp i44k1hbzw/ .v9 s 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 point 6x+golc 7*yg2igccv ( eu 0vt,6a9a xbcharge is 100 V. What is the absolute potential 4.0 m away from the same point charge?6cux t60l,e c2xc(ygv+gbi a 7va*o9g

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 distanc0d9a(* y5 d5iwfcfbcke of 2.0 m from a negative point charge is -10f5yi(5c9w fdda c*0k b0 V. 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+u1keuxij; ax b+q1 c; of +Q is located at one of+xj+ ku1;qeacu b;i x1 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 3.0 V when a charge ag jr(dl:sa)5of +Q is located at one of the square's corners. What is the absolute potential at the :) ja(gsl5dra 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 charges that ao j6b b(rpjx. (3 ogycbikm:.9re

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 .:kwzd .wdhxl 7k/w)p25 (bzh swkio/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 eved6 o4fkcfax2 v9* *hairy respect except that one has twice the plate area of the other. If the small*k96fivf a *c4xha 2doer 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 capacrqf bc te9tm;vr:9aq+f8(15dl cqk,a itor has a capacitance of C. If the area of the plates is doubled an 5, v(dtqc+qbtr 9el;qfa9rc8fk1 :ma d 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 and then isf.nsb ht ,*wvjo0mo *hd7/-wo removed. The plates are immediately pulled apart. (With the battery disconnected, the amount of charge on the plato-/n 7dsmfh hv j,w0o** bwot.es 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 pla:sock aiej gdg200+w s8:m 6whtes of a given capacitor is weakened, the capacim6jg sw se0kd0 8i c:hg+ow:a2tance of that 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 capacito(7gnh frev ms4ja18-b +9ic bwr are maintained with constant voltage by a battery as they are pulled apart. During this process, the jr8 fbigcabhe1 nw4sv (7m+9-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 w qrr500 k2zjnnrj2qi 3ith constant voltage by a battery as they are pulled apart. 0qjn5rr22i0z3rjnq k 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 dielije wx* sijljv3.p;;1ectric material between the plates of a capacito ji 3xj.;pl1sj ;wiev*r.
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 betweej1,.zae/ s2j),uter hxk or/ gn the plates of a capacitor. What happens to the capac) ,srotj zr x/h1egu. jea2/k,itance?

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 pt wqjs6q8/v ux2m. qp(-u vqc/irb;+klaced between the plates of a capacitor holding a fixed charge. What happens to the electric field betwee vw;+pv qq.cu/q/ukrxj-qi btm8s(62n 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 connected to a battery and becombem 5t-4ewl8aib )7q+6b dwjg es 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 energbbe86 l5+4g) am q tejiwwd7b-y 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 capacitanc 6:b;;kceocd8s i1j3 oun7rqe e of a capacitor holding a constant charge causes the energy stored :k1jc;6eu 3r7; ibqnesodoc8in 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 exy5;ai h pd9;d26mqxn nergy stored in that capaci dq5; xxad2p;y6ihn 9mtor 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 cha6t-rbvs(hiffutgr2 f+*2 m/ crge from point A to point B. What is the potential differeufhgbfim6f*+(vtr-rt/2 2 scnce 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, where t41 uau mn02ruthe potential is -50 V, to poinrnt 1 uam4u2u0t 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 rev7w i l0s4+wy v0wouq.t(.jjtst, is accelerated through an electric potential difference of 5v ju.j.4w st+w tvow07 y0(iql00 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 th gbad;03ap+.qvbv+ * os4i 6c aevqs:hrough an electric potential differencee h.q;svdcasp:4*3b g0 a+bqv6iao v+ of 500 V. 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 facex7o+lnp : ;tlls through a potential difference of 1200 V. What n+ xc ;o:e7lptspeed 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 9.4q 9dedrsq. ,u0 V 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 accelerated )t,hlcrn (lcwn 1:9 fithrough a potential difference of 500 V. What is the velocity of the electron al )(lnw1rn9th,cf :icfterward?

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. The8wwouc;f+e .egx7i4o p(9ii e object is accelerated from rest through a potential difference, and afterward the ball is moving at 2.0 m/s. What is the magnxoi;(i7c f u4ewgo+ ewp8.i9eitude 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 elec +a0w3oiyr/ rltrical potential difference between two parallel metalwyia/ +03or rl plates separated by 1.0 mm. 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 magn + g)qygxh8;xvitude of 500 V/m, is directed parallel to the +x axis. If the potential)x+v;x hg q8gy 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 directed toward the east. If thx4 )n,/jm-: ryb tz0)tjrvi zye voltage measured relative to ground at a given point is 80 V, what is the voltageyjzn rt4rt- zby ij/:v), xm0) 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 fieldy+f 3zn1cbut22 dh *lp of magnitude 3.0 V/ dp32c2 tyhf1z*nlb+um. What is the change in kinetic energy 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, s1sm (gj;qp,msxjl;6 ca390gf cbp- mqeparated 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 positive plate, what is the potential difference between the initial and final pointcg mm 1 0sfpq6 j(as,-b9;pcq g3ljmx;s?

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, sehu ohxp5*f:xsib ,+ -aparated by 0.20 m, are connected to a 12-V battery. An electron released from rest at a location 0.10 m froh o:i-x+hbsf,p*axu5 m 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:    

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 12-V batteryhk :9l45i*upy c8r(nb )5w7r cgfpmlo. An electron released from rest at a loc9lur4 poni*7)kc8y5 rw(b5m:p hc gflation 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 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 fr7ti1p 9y7 3fkf f-mmnield of 50 N/C directed toward the east. If the voltage measured relative to ground at a given point in the field1pfmi tf7r-fn7 m3yk9 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 wnqq7yk 02 b6ovu56e0 3uf6xgqpt5icfield of 50 N/C directed toward the east. If the voltage measured relative to ground at aw 7 o6gycpq 560 nuqubi526v3kx0e qft 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 oey oe+o 0253ds2hehre4-;;ud9n5mxvh aa gn of 12 V, it will acquire a kinetic energy (in the absencee +yodrg2o;m54- haus3 vhedn2ae5 0;exh o9n 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 distu +/hii1j7atc ance 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 stqnprk*h 0o74l ick. Find the electrical potential for the center of the4hqkor*n 0l p7 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) a de zodvk-t884nd a -2.0-nC charge is at (3.0 m, 0). If the potential is taken to be zero at int d 4-8zkevod8finity, 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) and a -2.0-nC charge is at (3.0 m*i 4w3szlja v(, 0). If the potential is taken to be zero at infinity, what is the electric potentz a* wv3si(4jlial 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 -2.0s15fwv lnf0x7pe t, ,a-nC charge is at (3.0 m, 0). If the potential is taken to be zero at infinity, what is the work required to br,0p 7,51favwx fslte ning 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 ar;, jylnr p4n,yau5t ; yzsa0i; fkn;t5e placed at the corners of a rectangle of sides a and b. What is the potential at the center of the rectangle if q = 2.0 mC, a = 3.0 cm, and b = ytk;;lnzynaai np; ,4r5;fjy5 u ,ts04.0 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 in two diao -.ubqzvvahe7w; m+2 gonally opposite corners. In the other two corners are placed charges of +3.0 mC and -3.0 mC. What is the absolute potential iboquv-+mv .h 2; w7eazn 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, mra: xm n+56mnaass $6.64 \times 10^{-27} \; kg$) 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 char3alv,k9h yw+tges, each of 2.0 mC, at the corners of an w+ l 39yhva,tkequilateral 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 plates of a 2.0-mF capacitor when itumc u xr 2ov8a+d9):qp is charged to 100 8+aqur9dou : v)2 mcpxV?

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)iyj th:i ve9: 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 plaarmqht :u,q 7/8f6c+pw (g lgftes are separated by 0.050 mm. If the capac,mgf g67af/+r ulct wh8:pq( qitance 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,::ie *jsfkf8ud- eol 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 /wddg,b t9i/ps (od7 dplate separation of 5.0 cm. If the potential difference between the plates is 2000 V, with the top plate at the higher potential, wh9 dsbdt (dd/o,i7g /wpat 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 capacitor9 m7cc y8;rqu,irjwx ;nwk,*d is 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 connectedc8m7dkn r9w; ju,yc,rqx*i ;w 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;dlka vrp61ta j9;kj6 a 15 mF capacitor. How much energy is stored in the capacaj6d19 tkal;kr6 ;jpvitor?

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 stored9p/ xqh7.eszjixu 6nkb8xq) 4 in the capacit)kn bspe/ui84 xx.z69x 7hqqjor?

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 ont)ov blr, g(3xso the plates of a capacitor when it is connected to a 12.0-V battery. How,ogx 3)vsr(bl 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 charh2aj+ptl ,ieugd;71 l ged 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 capinz+wi4z ;puk1xd7 u3acitor consists 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 plates of k*t6d s64vm-zrejh p2 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 apj-u pw:ajt:,rea $1.5 \times 10^{-4} \; m^{2}$ 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 capac t6z.l7z:ml rlitor 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:    

标记此题
73#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A parallel-plate capaca2 ns2t 1p1sftitor 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 cb /dhf9 wm- th1;6vetto 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 capacitodtw1ef96-vt /m c;h hbr 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 6swqh5o1q lw2to a 50-V battery and becomes fully charged. The battery is removed and a slab of dielectric that completely fills the space b5 q21sqw6ow hletween 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:    

  • :
  • 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, 2025-4-19 15:01 , Processed in 0.421372 second(s), 178 queries , Redis On.