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习题练习：Electricity and Circuits: Resistor
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://autodiscover.5edu.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 527，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.5edu.win/test527.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: 2026-05-21 08:55    总分: 50分  得分: _____________

答题人: 游客未登录  开始时间: 24年08月22日 11:12  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.09: In the circuit shown, an electric current exists in the metal re1q5)(vjy rhkbf .k2t nidcuk ;zx m;+:.(pmdtsistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the resistor and the direction of the electric fieln2 hy .dz.r mdkf+5(k:t; cti vxj( 1k;pbum)qd through the interior of the resistor?


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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.06: When any four resistors are connected in parallel, the_________each.iwpd2, 2p8uws* lpci resisto2l *cppiw2p ,ds w8iu.r is the same.

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.33: A current through the thin filament wirekp w i g9u5g;)k/7xbaw of a lightbulb causes the filament to iw9wb)g uk5xa;g/pk7become white hot, while the larger wires connected to the lightbulb remain much cooler. This happens because

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.08: Some standard household lights are being replaced with LEDs. LED ob/8j b f:)ipv-pqojy(63 zwc is the acronym for which one of thobj( / y-fqzwvco pi8p b:6)j3e following choices?

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5#
 
多选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.16: A cylindrical graphite resistor has length 4 itre*;c*s2nnvk ao8b;dj (jqiuo*3L and cross-sectional area A. It is to be placed into a circuit, but it first must beunio8 njaq (;cvedr*j*b io2;t*34sk cut in half so that the new length is 1/2 L. What is the ratio of the new resistivity to the old resistivity of the cylindrical resistor?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.20: Wire I and wire II are made of the same material. Wire II has twice the))brsrijsjt7f:l7 i 9 diameter and twice the length of I. If I has rr: rjs9il77fjtb )i )sesistance R, II has resistance

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.31: Wire Y is made of the same materwf2wvq:im, *o kud 4h*ial but has twice the diameter and half the length of wire X. If*u dhi k fw4m,wvo2*q: wire X has a resistance of R then wire Y would have a resistance of

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.23: A cylindrical resistor gmf,1p4afa 3i/5 q itphas length L and radius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of this mat/i541paqgfa ,i p3 tfmerial because of this process?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.27: A junior Thomam0(u cs9a1jh8w4(g- gd7f qd9xnltlx s Edison wants to make a brighter light bulb. He decides to modify the fil-afj qmhd084gngd1 xs(9 ucl7 9(xtlwament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more light at a given voltage?


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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.07: Three cylindrical resistors are made of the same material. The lengtfh,j dzd+ 4-twh and radius of ez d+f-, hdtw4jach resistor is:
Resistor 1: Length L, radius r
Resistor 2: Length L/2,radius r/2
Resistor 3: Length L/4,radius r/2
Which one of the following choices correctly ranks the resistance of these resistors (R1,R2,R3)?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.22: Four resistors, each of resistance R, are connected to a uwgreh )azlwc :.-*l0 7nu 3sqbattery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in parallel to a third resistor. This set of three resistors is connected in series to a fou q. lhz*urln-7a w3)wuge:c 0srth resistor.” What is the equivalent resistance of this arrangement of four resistors?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.35: The voltmeter in the accompanying circuit diagram has internal resisl2x 1lf;45 vq vfqugxa+81gs5lf 4 qmgtance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading a fsl5ulqm 85f1 g4gv 1l24+qxg;q fvxis 1.00 mA. The voltmeter reading is most nearly:


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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.37: Consider the compound circuit shown to the right. The .5-o5dkvkpk*bf5c(p j t ,r ejthree bulbs 1, 2, ak5tpvp,5bk.cj( -kf 5r j*oednd 3 - represented as resistors in the diagram
- are identical. Which of the following statements are true?
I. Bulb 3 is brighter than bulb 1 or 2.
II. Bulb 3 has more current passing through it than bulb 1 or 2.
III. Bulb 3 has a greater voltage drop across it than bulb 1 or 2.


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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.30: Given the simq-bxtqhwp/c2qw-rj c h.0 ,+et25dr fple electrical circuit at the right. If the current in all three resistors is equal, which of the following st5d x+-0,2b 2cwqe.hcjqtr/ -p qhfwt ratements must be true?


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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.37: The diagram at right represents a simple electri bv8 l-,n9tirsc circuit composed of 5 identical light bulbs and 2 flashlighr89ni t,b s-lvt cells. Which bulb (or bulbs)
would you expect to be the brightest?


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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.03: Which of the following statements is NOT true concerning thej()z q:yj;cr7 k/n0;s k sekyg simple circuit shown /c)n(eg;;j7qr kzs k0j :kyyswhere resistors R1, R2 and R3 are have equal resistances?


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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.29: Two lightbulb f j(a6p+ s*hur)65qn)bwwija:f0vdm s X andY are connected in series to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connected in parallel with each other to the same battery, which one of the following choices bestqviw dn fj*u:hbmj0s) (6ra6)5+ fp wa represents what is observed?


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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.34: How many coulombs will pass through the identified re lexff), y- dp-0jc 3bh2uakjy5.fb,tsistor in 5 seconds once fbylj.ekp x, -)ctu,b5d3-yf h2fj a0 the circuit was closed?


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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.23: If all of the resistor4;kiyjn* q y r/7lek djj0/nxt(:2skjs in the following simple circuit have the same resistance, which would dissipate the greatest power*dnj sj 0(4 ryly7:n j; jkqexi/tk2k/?


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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.34: In the accompanying circuit diagram, the current throu 046ikiecsh g2; mpo9agh the 6.0 Ω resistor is 1.0 A. oh6ikc2 ea0i9ps 4 m;gWhat is the power supply voltage V?


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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.27: Three resistors R1, R2, and R3 aror8bof2 r: 9rie connected in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 9ro8bo fr:2r i6.0 W of power. What is the voltage across R3?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.40: Three different resistors R1, R2 andR3 are connected in parallel ;uj5tawac0tc)a,ae 2xcc7 : i to a battery. Suppose R1 has 2V across it, R2xcat0 ae2ai,t:5cu c 7wj;c) a = 4Ω, and R3 dissipates 6 W. What is the current in R3?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.13: A heating coil is rated 1200 watts and 120 volts. What is t h 3/iz(usrxi/ir)3al he maximum value of the current uxiai s/3l) h/zri3 (runder these conditions?

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.23: What is the resistance of a 60 watt lightbulb designed to operate at - r6oyf2fgvqjt xb 3:.n/v*vc//qkpv120 vo v6pv.cn:/ojbyqfg*v/x2fq3r v t- /klts?

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.09: How much current fl -qedu4r lzt0-ows through a 4 ohm resistor that is dissipating 36 watts 0zqe-du -tl4r of power?

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.21: A household iron used to press clothes is markedcdxl8ac7l hd1u4y jr/ 3 5/fnq "120 volt, 600 watt.” In normal use, the481//n cquycxh ra7fddl35lj current in it is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.05: Which of the following resistances could NOT be produced8tt5tgf 0vpyn:8s2n js8 h8b s by a circuit containing only threfsbtt8j0:pgt v885 s8s2nhyne identical 6Ω resistors?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.37: You are given three 1.0 Ω resistors. Which of6*mth2f 9wp dj the following equivalent resistances CANNOT be produced using all three resist*d9hjwf6 p 2mtors?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.06: Three resistors of d0ogw 5nroq(zu dx- y61ifferent values can be connected together in different configurations. If all three resistors are used in a circuit, how many diffe65rg1u o n(xqdw-zo0yrent values of total resistance can be produced?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.35: When a single resistor is connected to a battery r;(iioxycxuj +f(fty ,udyh5)hv +*3, a total power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identical resistors are connected in series using the same battery? Assume the internalxvf)53( uchd+,yuy(i oyt ihrf; +*jx resistance of the battery is zero.

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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.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
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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.16: When two resistors, having resistance R19 t ov5 c6wo ,0ceans95yoy0yu and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of tyeao065c9 ov09,su cwn y5otyhe following statements about the resistances is correct?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.46: A hotplate is designed such that it has a resistance of 12Ω when zp* i(ejvzlv9i08.rx operating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 e(pjz . xzil0 r9*v8vikg of water from $15^{\circ}C$ to$85^{\circ}C$?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.09: How much current flows through /ajcsg(1i fp y+ zb.nss3; ti:3urbn/a 4 ohm resistor that is dissipating 36 watts of power? cs/.b pgt/zfanyii+ 3b r;nssj13(u:

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.24: An electric heater draws 13 amperes of current when connected to7ls2x apugpu/ns 9 )s3 120 volts. If the pric/9u3 xpup s l2ns)ags7e of electricity is $0.10/kWh, what would be the approximate cost of running the heater for 8 hours?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.05 Approximately how much h0ydo b0xd ,g5qy8/47m v getrzg 0:brwould it cost to keep a 100W lightbulb lit continuously for 1 year att / g8,70b0ye xdvdorgb 05gyhr:zm4q a rate of $0.10/(kW.hr) ?

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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.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
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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.09: A constant current of 4.00 A through a lightbulb8 8wxl bt07dxb results in a power of 24.0 W associated with the bul bbx w7d08lx8tb. Which one of the following choices best represents the resistance of the lightbulb?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.10: Each member of a family of six o96t5 rswqzh1op)w x f3q:g6icwns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuit prp69 sqgwif wz5c3o6th1:xqr) otected by a 20 ampere fuse, what is the maximum number of the computers can be operating at the sametime?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.16: A 9-volt battery is connejct4v -p6u;c 6gsnt v,cted to four resistors to form a simple circuit as spcs vut6- tv4n j;6g,chown to the right.
How would the current through the 2 ohm resistor compare to the current through the 4 ohm resistor?


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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.17: A 9-volt battery is connected c3 0emnvf w y)fj1mi33xr9gj )to four resistors to form a simple circuit as shownrmv 3f ))mcyegwnf i19x30 j3j to the right.
What would be the potential at point B with respect to point C in the above circuit?


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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.21: An ideal battery, an i6 a kfwp635ph9flfw5o deal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads a5 9p 6o3f6kpfwhfw5l 2.0 amperes.
With the switch open, what would be the potential difference across the 15 ohm resistor?


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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal ammeter, a switch and three3t *b8f vv-va*se 24tal3j*td*/ch wq/blkdg resistors are connected as shown. With theg b wlav dva/2/jc48t 3*d b3vqft**hsk e*t-l switch open as shown in the diagram the ammeter reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, an ideal ammk kt top0v2aj-8d;pk4eter, a switch and three resistors are connected as shown. With the switcjok8t 0atk-p pv4dk2 ;h open as shown in the diagram the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.14: For the circuit shown to the right,lz/fxdw*ox i3 qea06 - yf3,xj what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have id wj/q 6ax-o,iz xf*lxf e0d33yentical resistance R.


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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.07: The equivalent resistance of the circuit shown to the right with 9zl xutdx r2ajfd,f( (dmswq83z;.n, resist,t( auf q2fmrxz.zswx9,n8j(d ;l d 3dances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ and $R_3= 2.00Ω$ is


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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.20: The diagram below shows fbv /:f 6p6toto*n8 kjvive identical resistors connected in a combination series and parallel circuikv:8n jo t/btvop f6*6t to a voltage source.
Through which resistor(s) would there be the greatest current?


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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.21: The diagram below shows fiv:np; 13q gtq s*wfjo+ge identical resistors connected in a combination series and parallef +*jwo31qn:t s;gg pql circuit to a voltage source.
Which resistor(s) have the greatest rate of energy dissipation?


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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.29: In the circuit diagram, alerd:rd 5x:lhbt ,rk2 4v9d5vol of the bulbs are identical. Which bulb wi:,ed:5v 2xboddrrrtv k4h59 l ll be the brightest?


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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.21: An ideal battery, an ideal ammeter, a switch and three resistors are cof oq t- 9-ceuv5/t7.aodm7zp cnnected as shown. Wuct- c /o -mvp7et9zq.f5od7 aith the switch open as shown in the diagram the ammeter reads 2.0 amperes.
With the switch open, what would be the potential difference across the 15 ohm resistor?


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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal ammeter, a smj/*( na i*zk-ekwcw*nmtt .(c qbq ;3witch and three resistors are connected as shown. With the switch open as shown in the diagramezqtc.m(* -k;bwit*j 3*qaw nk(c m/n the ammeter reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, an ideal amm v0- .oh+qn6* lagpnpceter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperesng hcp 6q l+.o-*nvp0a.
When the switch is closed, what would be the current in the circuit?


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