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

Switch to Full Screen

习题练习：Physics Unit19: DC Circuits
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://autodiscover.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 77，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://autodiscover.51fly.win/test77.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: 2022-08-17 15:49    总分: 102分  得分: _____________

答题人: 游客未登录  开始时间: 22年08月17日 12:52  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  
  The potential difference between the terminals of a battery, when no curreno+pn2(m y* y,gqh.hit t flows to an external circuit, is referhyn qiop2(t+*g,. ymh red to as the

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  
  The potential difference between the terminals of a bnjzx /0txk687v xfxp2attery, when current flows to an external circ 7nk26pxvt0/j8zxf xxuit, is referred to as the

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  
  When two or more resistors are connected in seriesbl:ks;/rtrmlpk4;ba ash- do5y h /,9 to a battery

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  
  When resistors are connected(l9 vw2q3 icz1t4lmr1qu9wgc in series,

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  
  Three identical resistors are c6xokv4wfi ) yk 49dt6ronnected in series to a battery. If the current of 12 A flows from the battery, how much current flows through an4kof6x kr6t9)vw4dyi y one of the resistors?

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  
  Three identical resistt1m,com *dq8ghzao91)glv 2x b* vs+ jors are connected in series to a 12-V battery. What is the volt 1oj+c1,ob*lms*x 9gh28 dm)g qtvazvage across any one of the resistors?

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  
  You obtain a 100 $\Omega$ light bulb and a 50 $\Omega$ light bulb. Instead of connecting them in the normal way, you devise a circuit that places them in series across normal household voltage. Which statement is correct?

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  
  As more resistors are added in series to a co33v*f w:uc gtoxdwscaoq ;;rc h;91w5 nstant voltage source, the power supplied by dwga5xo o;:r; s9q c*h3t3ccf1 wwu;v the source

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  
  When two or more resistors are connected in parallel to a batte v:d6o s, *hulls /;-n/ y9uqznixbsu1ry,

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  
  When resistors are connected in parallel, we tgd:qe23(x gq 1o 5rvvcan be certain that

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  
  Three identical resistors are connect p qorv6:7 fz7rjmydzo): , wmjwr31o6ed in parallel to a 12-V battery. What is the r 6p6y7)w:od17ojo j:mrwqvrf, 3 mzzvoltage of any one of the resistors?

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
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical resisp,mumi k ni))k0ls.a82 mh - 1feaxas8tors are connected in parallel to a battery. If the currentl8- ukf1im)ax 8,.m0 peakms2sn h)ia of 12 A flows from the battery, how much current flows through any one of the resistors?

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
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The lamps in a string of Christmas tree lights are cebq3u09x on o,onnected in parallel. What happens if one lamp burns out? 0e,b u93qoxno (Assume negligible resistance in the wires leading to the lamps.)

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  
  As more resistors are added in 3 y2w*t mc4jt1k5cgyq parallel to a constant voltage source, the power supplied by the sour5gyj3qkt 1c 4tmcy* 2wce

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  
  Consider three identical resistors, each of resistans omf v78:p3x5sptez:6 wr*edce R. The maximum power each can dissipate is P. Two of the resipeozr stsdex*5p:3m: 87fwv6stors are connected in series, and a third is connected in parallel with these two. What is the maximum power this network can dissipate?

参考答案:    
标记此题
16#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Kirchhoff's junctio h68l ibq0rp +do6twgiz 62etml+hg60n rule.
参考答案:    

标记此题
17#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Kirchhoff's loodaw+ p 3nwo,in/r8f)ra3b v1j p rule.
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  
  Kirchhoff's loop rule is an 5z qh8v;/ v 6pmap,pdhexample of

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  
  Kirchhoff's junction rule is an examplez4g; ;+)x)u8iixlo:q xfv eeb of

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  
  Which of the equations here is valid for the circu d, :2g .psgj9(d3qeuidw1p7vyrp w9oit shown?


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  
  If you connect two ident/ p:f (;x:rp4m wrbkvtical storage batteries together in series ("+" to "-" to "+" to "-"), and place them in a cp m:p krb/:rw;x4f(tvircuit, the combination will provide

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  
  If you connect two identical storage batteries together in series ("+" to "-+9rb6 h0yohfn" to "-" to "+"), and place them in0oh h+bf69nyr a circuit, the combination will provide

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 you connect two identical storage batteries together in parallel, and placwe8e+ c vpsgnxnru/s b;7,:g/e thnsc7eug /e/,+g;rn: p 8wv sxbem in a circuit, the combination will provide

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  
  When two or more capacitors are connected in series gyl5mab ;jbfl7.d 8g)pv,fd8 to a battery,

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  
  As more and more capacitors are connected in series, the equival5wb ngxzd2 r/6qh(w ,5q tzz*qent capacitance of the combina,qq/hn6* z52qdx(zw5zt wbgrtion increases.

参考答案:    
标记此题
26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical capacitors are connected in se52i-(qbk 2nudc 3 xyfyries to a battery. If a total charge of Q flows from the battery, how much charge does eaciyucq5b2- xknd(3fy2 h capacitor carry?

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
27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When two or more capac*y mx *hsdehoj(pl58;e;fkg 0itors are connected in parallel to a battery,

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  
  As more and more capacitors are connected in parallel, the equivalent capac +9q+6uzqhx cwitance of the combinatioq xuwhz6q+9c+n increases.

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
29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Three identical capacitors are connected in paralleliaiuirou9.*06uf x; y to a battery. If a total charge of Q i0ro .aixuy; 6ifu9u*flows from the battery, how much charge does each capacitor carry?

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  
  What is the unit for the qs g7hcoz7w54uon:(y quantity RC?

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
31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A resistor and a capacitor are connehl:: 6hzwji ):9lmfpgcted in series to an ideal battery of constant terminal voltage. At thh6)w mpi jlf:zg l9h::e moment contact is made with the battery, the voltage across the capacitor is

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  
  A resistor and a capacitor are connected in series tvbgvs8z0i w (1o an ideal battery of constant terminal voltage. At the moment contact is made with the battery, the voltagg vsv w(8zi1b0e across the resistor is

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  
  A resistor and a capacitor)mm2 cy/+vv1jj hvef oo-wa7, are connected in series to an ideal battery of constant terminal voltage. When this system reaches its steady-state,y m1e7v/wmvoj h ,c2j+ov -)fa the voltage across the resistor 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  
  An ideal ammeter shoulv*edscf+j3q w- t) zg;d

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 galvanometer can be converted to a 2vk,9rmjmhg1 n ammeter by the addition of a

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
36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A current reading is obtained by properly placing an ammes,xx wu-rj(-hxaf) 5ster in a circuit consisting of one resw s r(xjx, 5-fha)x-usistor and one battery. As a result,

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
37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Decreasing the resistance of an ammeter's shunt resistaf,v tbfd5vq4g3gy5 u(nce

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  
  In order to construct a voltmete.:-m u3mouy8vlv3:8gus qif ,3th mzor from a galvanometer, one normally would

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  
  Increasing the resistance of a voltmeter's series resistanc*eq1qv1 cgrqw79sq a5e

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
40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A voltage reading is obtained by plac+oco q.((kyhcbpj:wwms5o3t;2t a 8jtj(: fj ing a voltmeter across a resistor. What happens to the total current flowingsjtjpa ytc.:c5; o +wm(:ook8 j((3whf qt 2bj in the circuit as a result of this action?

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  
  An unknown resistor is wired in series with an ammeter,6sa f/0o rxom41rgqb: and a voltmeter is placed in parallel across both the resistor and the ammeter. This network is then placed across a battery. If one computes the6br 0qga4/1rxo mf:os value of the resistance by dividing the voltmeter reading by the ammeter reading, the value obtained

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  
  An unknown resistor is wired in sem)yc j- bh/.ia: npv3/sadp p,ries with an ammeter, and a voltmeter is placed in parallel across the resistor only. This network is then connected to a battery. If one computes the value of the resistance by , p)m/3 pscy-nvdp/aia:hb.j dividing the voltmeter reading by the ammeter reading, the value obtained

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  
  Four 20 $\Omega$ resistors are connected in series. What is the equivalent resistance?

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  
  Four resistors of 12, k:7ey/6ue8pzubp -p j3.0, 5.0, and 4.0 $\Omega$ are connected in series. A 12-V battery is connected to the combination. What is the current through the battery?

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  
  Three resistors of 12,*nob)1+)w, a rch)r-jp tcun d 12, and 6.0 $\Omega$ are connected in series. A 12-V battery is connected to the combination. What is the current through the battery?

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  
  Three resistors of 12, 12, and 6.0.uxx m)-72v e6nijqzt,-adva $\Omega$ are connected in parallel. A 12-V battery is connected to the combination. What is the current through the $6 \; \Omega$ resistor?

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  
  A 14-A current flows into a series combinati/:huf8s,ivexg (p p,fon of a 3.0 $\Omega$ and a 4.0 $\Omega$ resistor. What is the voltage drop across the 4.0 $\Omega$ resistor?

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  
  A 14-A current flows into a series combination of a 37ic8 snrx+y) s9fwp9az5 fj w,.0 $\Omega$ and a 4.0 $\Omega$ resistor. What is the voltage drop across the 3.0 $\Omega$ resistor?

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  
  A 22-A current flows into a parallel comu3l8mnji0 c 8 : 84mpqd5nijdzbination of 4.0 $\Omega$, 6.0 $\Omega$, and 12 $\Omega$ resistors. What current flows through the 12 $\Omega$ resistor?

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  
  A 22-A current flows into a parallel7nu;uf0ct e op j92hx; combination of a 4.0 $\Omega$, 6.0 $\Omega$, and 12 $\Omega$ resistors. What current flows through the 6.0 $\Omega$ resistor?

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  
  A 22-A current flows into a pqxa fs4wzckzpsjp638w5t:7c 6 b t. x*arallel combination of a 4.0 $\Omega$, 6.0 $\Omega$, and 12 $\Omega$ resistor. What current flows through the 4.0 $\Omega$ resistor?

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 6.0 $\Omega$ and a 12 $\Omega$ resistor are connected in parallel to a 36-V battery. What power is dissipated by the 6.0 $\Omega$ resistor?

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  
  The following three appliances are connected to a 120-V circxk4 hjf*i :+meuit: 1200-W toaster, 650-W coffee pot, and 600-W microwave. If all we j+e4:xi mf*hkre operated at the same time what total current would they draw?

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  
  What is the maximum number of 100-W light bulbs you can connect in paralle+ i h ccb9*an2st5i:: hov3gurl in a 120-V circuit without tripping a 20-A circuih*an :2:g bic3s+uit o9h vc5rt breaker?

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  
  A combination of 2.0 f n.7oc9gprkm;9 a;mp$\Omega$ resistor connected in series with 4.0 $\Omega$ resistor is connected in parallel with a 3.0 $\Omega$ resistor. What is the equivalent resistance?

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  
  Two 4.0 $\Omega$ resistors are connected in parallel, and this combination is connected in series with
3.1 W. What is the effective resistance of this combination?

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  
  A 2.0 $\Omega$ resistor is in series with a parallel combination of 4.0 $\Omega$, 6.0 $\Omega$, and 12 $\Omega$ resistors. What is the equivalent resistance of this combination?

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  
  Two resistors of 15 and :k o+/m8ta**zdqy fee . sbq+m30 $\Omega$ are connected in parallel. If the combination is connected in series with a 9.0-V battery and a 20 $\Omega$ resistor, what is the current through the 15 $\Omega$ resistor?

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  
  Three resistors of 4.0, 6.0, and bao.thvox m7e;xa7a5p 4;4qz 10.0 $\Omega$ are connected in parallel. If the combination is connected in series with a 12.0-V battery and a 2.0 $\Omega$ resistor, what is the current through the 10.0 $\Omega$ resistor?

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  
  Two resistors of 5.0 and 9.mvhrl7. dhzyu r326 5a.u-j hq0 $\Omega$ are connected in parallel. A 4.0 $\Omega$ resistor is then connected in series with the parallel combination. A 6.0-V battery is then connected to the series-parallel combination. What is the current through the 4.0 $\Omega$ resistor?

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
61#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two resistors of 5.0 and qh v:/*hb yvn5yop1.d 9.0 $\Omega$ are connected in parallel. A 4.0 $\Omega$ resistor is then connected in series with the parallel combination. A 6.0-V battery is then connected to the series-parallel combination. What is the current through the 5.0 $\Omega$ resistor?

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  
  Two resistors of 5.0 and 9.0c3d juwy zzbw)uo*z p*;h2 )y4c)hi b0 $\Omega$ are connected in parallel. A 4.0 $\Omega$ resistor is then connected in series with the parallel combination. A 6.0-V battery is then connected to the series-parallel combination. What is the current through the 9.0 $\Omega$ resistor?

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 3.0 $\Omega$ resistor is connected in parallel with a 6.0 $\Omega$ resistor. This combination is connected in series with a 4.0 $\Omega$ resistor. The resistors are connected to a 12-volt battery. How much power is dissipated in the 3.0 $\Omega$ resistor?

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  
  What is the total res1 ,hrw dbz alr,jbl61(istance of the circuit in Fig. 19-2?


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  
  If $E = 40 \; V$, what is the voltage on R1 in Fig. 19-2?


本题所包含的其它图片:

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  
  If $E = 20 \; V$, what is the current through $R_3$ in Fig. 19-2?


本题所包含的其它图片:

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  
  If 1.5 A flows throu:ahr n-b t9 s9ojxcn .+cft68vgh $R_2$, what is $E$ in Fig. 19-2?


本题所包含的其它图片:

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  
  What is the total resistance of the cirz1ivpf-spw i/;om wg r8brz d -:v()6bcuit in Fig. 19-3?


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  
  If $E = 100 \; V$, what is the voltage across $R_5$ in Fig. 19-3?


本题所包含的其它图片:

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  
  If $E = 4.0 \; V$, what is the current through $R_6$ in Fig. 19-3?


本题所包含的其它图片:

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  
  For the circuit in Fig. 19-4, determiddr/qzhj;k ud1p::qm*ik n) 7ne the current in the 1 $\Omega$ resistor.


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  
  For the circuit in Fig. 19-4, determine theql1 ky7oahy)ja(c6f) 3 gg: ge current in the 3 $\Omega$ resistor.


本题所包含的其它图片:

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  
  For the circuit in Fi5p t67wto2x/0ndfjlq g. 19-4, determine the current in the 4 $\Omega$ resistor.


本题所包含的其它图片:

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  
  What is the potential of point A relative to point C in Fig. 19-5feo.e1os7sl h a5(px4 ?


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  
  What is the potential of po, g +o9pu6rs sla)u7feint B relative to point C in Fig. 19-5?


本题所包含的其它图片:

参考答案:    
标记此题
76#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the potential of point D relative to pb.e3v kiywm a24w.tg 1oint C in Fig. 19-5?


本题所包含的其它图片:

参考答案:    
标记此题
77#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What current flows from the batter/l*xvw+qe83 s*cit 4b h7)jy/ ayz nrty in Fig. 19-5?


本题所包含的其它图片:

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
78#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the potential drop from point A to point )dta9/yty+zwv kj l,5B in Fig. 19-5?


本题所包含的其它图片:

参考答案:    
标记此题
79#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Determine the current in the 7 zu*yvdi q; ps4 7x7c9/nrll 3n$\Omega$ resistor in Fig. 19-6.


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
80#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Determine the current in the ;q g e+lbnc6o;8 $\Omega$ resistor in Fig. 19-6.


本题所包含的其它图片:

参考答案:    
标记此题
81#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Determine the current int 1s9uckfbb 7(7jl5to the 4 $\Omega$ resistor in Fig. 19-6.


本题所包含的其它图片:

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
82#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What current flows in the 12cv6tl9kbza )+ $\Omega$ resistor in Fig. 19-7?


参考答案:    
标记此题
83#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What current flows in thefnjkd66+ sxlbsyt0r ;8,) zuw 1jpra9 18 $\Omega$ resistor in Fig. 19-7?


本题所包含的其它图片:

参考答案:    
标记此题
84#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What current flows in the solid wire connecting the upper left and hvux(:pk uaa 0cf8 3*hlower left corneruax*8 v:ahh(p3k uc f0s?

参考答案:    
标记此题
85#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Four 16 mF capacitors are connected in s6 ufb0dw(38g1dfu om series. The equivalent capacitance of this combinat m38wods01(6g uffubdion is

参考答案:    
标记此题
86#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  5.00 mF, 10.0 mF, and 50.0 mF capacitors are connected in series ac9puo-f/ hc7 jxross a 12.0-V battery. cjo-f 7h9px u/ How much charge is stored in the 5.00-mF capacitor?

参考答案:    
标记此题
87#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  5.00 mF, 10.0 mF, and 50.0 mF capacii1/zjx5(con i2- mjlstors are connected in series across a 12.0-V battery. What is the potential difference across the 10.0-mF ca-jxs5l/ c(zo2jn ii1mpacitor?

参考答案:    
标记此题
88#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 1.0-mF and a 2.0-mF capacs wlq d5gfx) hkt z1ca+5)j,-kitor are connected in series across a 3.0-V battery. What is the voltagz15dkc f,qhagx kt )-5+sj)lw e across the 1.0-mF capacitor?

参考答案:    
标记此题
89#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 1.0-mF and a 2.0-mF capa:xa+qaib p3x8 eo.4kacitor are connected in series across a 3.0-V battery. What is the voltage across the 2.0-4 qabi:xp.+8aek3o ax mF capacitor?

参考答案:    
标记此题
90#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  1.0 mF, 2.0 mF, and 3.0 mF capacitors are connected in parallel across a 2q5kfr*,)( p5ar ugbek 4-V battery. How much energy is stored in this combinatif *)p5aur gk, k5(qebron when the capacitors are fully charged?

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
91#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Capacitances of 10 mF and 20 mF are connected in tr/ u3flb8qh7o9q- stparallel, and this pair is then connected in series t/bl7h3qfqto8 s- r9u with a 30-mF capacitor. What is the equivalent capacitance of this arrangement?

参考答案:    
标记此题
92#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two capacitors of 6.00 mF and 8.00 mF are connectemhqhc+1i8e )rq3nqtnh / v;3 ld in parallel. The combination is then connected in seriemhq33r ech)q h+ 8v1/nit;qnls with a 12.0-V battery and a 14.0-mF capacitor. What is the equivalent 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
93#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two capacitors of 6.00 mF and 8.00 mF are connected ik8nkk: aac: zxnw/)it, hs p9*n parallel. The combination is then connected in series with a 12.0-V battery and a 14.0-mF capacitor. What is the charge on the 6.00-mF caz9knn: a:s,*tawc)/ p8 hkxk ipacitor?

参考答案:    
标记此题
94#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Two capacitors of 6.00 mF andf6 z0i) nkzxamq8, h*b 8.00 mF are connected in parallel. The combination is then connected in series with a 12.0-V ba),f xzbki*0n8mh qz6attery and a 14.0-mF capacitor. What is the voltage across the 6.00-mF capacitor?

参考答案:    
标记此题
95#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 2.0-mF capacitor is charged throow2.tvy195ev hf mc* d-o5d v icqy4+sju03i wugh a 50 $k\Omega$ resistor. How long does it take for the capacitor to reach 90% of full charge?

参考答案:    
标记此题
96#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 2.0-mF capacitor is cgf: fw6xx p.4r8-usz qharged to 12 V and then discharged through a $4.0 \times 10^{6} \; \Omega$ resistor. How long will it take for the voltage across the capacitor to drop to 3.0 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
97#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 4.0-MW resistor is connected iu,(tmqbv3b;kbc+5 j. yvr(q4gr ted/n series with a 0.50-mF capacitor. The capacitor is initially uncharged. The RC combdm /43 eg b.ju q(;rr(vt,v+y c5bqbktination is charged by a 9.0-V battery. What is the change in voltage between t = $RC$ and t = $3RC$?

参考答案:    
标记此题
98#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A 4.0-mF capacitor is charged to 6.0-V. It is then connected in series wn-h q7htce/ /zith a 3./eh/- h zqt7nc0 $M\Omega$ resistor and connected to a 12-V battery. How long after being connected to the battery will the voltage across the capacitor be 9.0 V?

参考答案:    
标记此题
99#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A galvanometer has an internal resistance of 1) x;xc51:uhu htwpr)h00 $\Omega$ and deflects full-scale at 2.00 mA. What size resistor should be added to it to convert it to a milliammeter capable of reading up to 4.00 mA?

参考答案:    
标记此题
100#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A galvanometer has a coil with a resismt ,r,bn*: sj3d)s asdtance of 24.0 $\Omega$. A current of 180 mA causes full-scale deflection. If the galvanometer is to be used to construct an ammeter that deflects full scale for
10.0 A, which resistor is required?

参考答案:    
标记此题
101#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A galvanometer has an inter( 16j hik1rvxrnal resistance of 100 $\Omega$ and deflects full-scale at 2.00 mA. What size resistor should be added to it to convert it to a millivoltmeter capable of reading up to 400 mV?

参考答案:    
标记此题
102#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A galvanometer with a coil resista80fxc7 r0d hr* u0x5 oelvnd.ence of 40.0 $\Omega$ deflects full scale for a current of 2.0 mA. What series resistance should be used with this galvanometer in order to construct a voltmeter that deflects full scale for 50 V?

参考答案:    
  • 姓名:游客(未登录)
    •
    总分:102分 及格:61.2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 102 道题
    本平台(https://autodiscover.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, 2026-6-6 06:06 , Processed in 1.525451 second(s), 234 queries , Redis On.