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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 u v4vdo.(uc.omg c9ig izjiz7 3**dk;current exists in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the resistor and the direction vkz.ud uzoi(c*i.7i cgj 49m;g3o *vdof the electric field 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, theveo0-7. fqjl1pke 3tj_________each resistor is th.1qfp07elo3 vje k t-je 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 wire of a lightbulb cause71 x6b9r4buvrwmf xr9 s the filament tox916b9rx r wb74frvm u become 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.;5gaz7ppze: ; x,i iya LED is the acronym for which one ox;yg7pi zaz ;,e: pi5af the 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 L and crossxh vb-iv5u9 2z;ch 0md-sectional area A. It is to be placed into a circuit, but it first must be cut in half so that the new length is 1/2 L. What is the ratio of the90udm zh5;v2hv-c ibx 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 zls 6ea:je:l/wwybeh xk6hr //4:-nx same material. Wire II has twice the diameter and twice the length of I. If I has resistance R, II has resistaenha hs6xrbkz/ e:/l: :e6x -/wjw4ylnce

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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 material but has twicev7mm-,bpk6qr the diameter and half the length of wire X. If wire X has a resistance of R then wire Y would have bm-qkrp67 v, ma 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 has length L and radius 5ja sdoll5:l0r. This piece of material is then drawn so that it is a cylinder with new length 2L. 5d5a l0os:j llWhat happens to the resistance of this material 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 Thomas Edison wants to make a brighter light bulb. He decidev(lxwh/h86k d vuu4xjm9fy68 s to modify the filament. How should the filamenv6 xhmfd6 /(k49hxj uluvy 88wt 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. Th;kb+1z gm4p lwh-y 0bge length and radius of epb1g0hwgzb;m + ky-l4ach 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 -w dz5; xkgdu7ir7si-)whr*bconnected to a battery in the following way: “Two resistors are connected in series. Thisi*7)i5 du gwxkwd--r rz;7shb combination of two resistors is connected in parallel to a third resistor. This set of three resistors is connected in series to a fourth 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 diagr(vu )nbdt38d pyvk z.n777l icam has internal resistance 10.0 kW and the kc u )v .(d77nvidytp3nb7lz8ammeter has internal resistance 25.0 ohm. The ammeter reading is 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. The1p2 9zdd w.zl z):cak 3cbtfh2 three bulbs 1, 2, and 3 - representezc29 1wd2z zl pt:)c.3bkadfhd 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 simple electrical circuit at thegsk7abor7;ut(+r o5 i right. If the current in all three resistors is equal, which of theu; t(77gar5o sb+rio k following statements 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 repreu wd,(ik+7 vvy swkr1-sents a simple electric circuit composed of 5 identkwv w k7-r,+1( iuvdysical light bulbs and 2 flashlight 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 conc 7wltukv)1 nwa(cgc(zik1 .(ferning the simple circuit shownkwlu ntgc7 z1(( ) f1.vk(aciw where 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 lightbulbs X andY are connected in series to a battery. Bulb X is b.qfrm n+g-fm wk j.k jozyg;/*4 u.jh(righter 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 th wfqj.jm(g r+.f;o4hzmguj*n k / ky.-e following choices best 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 e(i, vb1*yj ss 7jzv/swill pass through the identified resistor in 5 seconds once the circuit (i ,vs s/ezsy*bvjj1 7was 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 resistors in thvu+ y4 zqcxguc7kv f6j9-e(ydr(8v2 qe following simple circuit have the same r y68cf4 vuuvyr-qjqce2( 7g(zx kd v+9esistance, which would dissipate the greatest power?


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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 circuir.o 1 k6lyzw4ft diagram, the current through the 6.0 Ω resistor is 1.0 A. What is the power supply v14yl wkz6 rfo.oltage 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 are connected in series to a battery. Sz s824xqjgz1i uppose R1 carries a current of 2.0 A, Rigzx 81sq2 z4j2 has a resistance of 3.0Ω, and R3 dissipates 6.0 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 anvcug o ;42pp uzo2b;(edR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the current in v 2p; o42g(uoeubcpz;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 the maximum 9e9)mu1 ;nei fzp mjs5xw0i/ovalue of 1e;/50ps9 jnw zm)imo fueix9the current under 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 1kenn ndhc b0(96zj2+ fldv .n320 volts? 9n2k 0l n dhc3j.d+(6enzvbnf

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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 flows through a 4 ohm resistor; k*y9xavsm4i that is dissipating 36 watts of pos; x yvka*m9i4wer?

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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 marked "120 volt, 600 piro(5 :rqxblb+6.v ,ix cl5swatt.” In normal use, the current in(+xv5.p lrr sc,iob 5 l6bi:xq 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 resistanwu zo)3ph 7u iym)dmq.mzn/63ces could NOT be produced by a circuit containing only )7d i 3yhu /unwz3mpo z6)qmm.three 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 t e.gw u8l2n*an.4t1u, ywyc zshree 1.0 Ω resistors. Which of the following equivalent resistances CANNOT be pro.e.w any *y gtn2w48su z,uc1lduced using all three resistors?

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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 different values can be connecte.dt96jx sf/p/htho z5d together in different configurations. If all three resistors are used in a circuit, how many different values of total resistance can 5t9h/ ftox z6jh/pds.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, a total power P9unep-zvp* ;6cs od+0qvsy2h is dissipated in the ci sn uc*veh9-;z +o2svp qy60dprcuit. How much total power is dissipated in a circuit if n identical resistors are connected in series using the same battery? Assume the internal resistance of the battery is zero.

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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 R1 and R2, are com6(hh4 cf xbtg 3v;fjm3 46abjo xkq26nnected in parallel, the equivalent resb x 3(ktq6m6 m jhab6;cgj3fo2fvhx44istance of the combination is 5Ω . Which of the 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 r6 f9 3vjnp:tdea,(be cw;+)u3g dvt ecesistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 kg b u3t(6e39jgd,:)n; v pedvfceca+ wtof 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 a 4 ohm rlcxd m5d7 dwavrj8)4: zym7 3mesistor that is dissipating 36 wa8z xv d)cm7m34w7m jr:a5l ddytts of power?

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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 22f2l ax0md tz9;,goeblkfk)to 120 volts. If them2;l,fg29 xtdz)0lekao k f 2b price 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 would it cost toc -rque:a)w g+(cbhs.m*s 0elez; .1 cah3hfk keep a 100W lightbulb lit continuously for 1 year at a rat ruqwlz s h(1sg k0am*bh3e ec.+.c);a:-fhcee of $0.10/(kW.hr) ?

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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 lightbulb results in a power of )z/xfoa3sc 2vqq+j0c by( a :k24.0 W associated with the bulb. Which on/zvb 3qa s y+c 0xaqojf):c(2ke 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 q-skhe0l- q a/of six owns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuit protected by a 20 ampere fuse, what is the maximum number of the computers can be operating at the e/ls h-qq-0ak 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 batt0;q4mlwr;0g ;b8e m oql:bd lpery is connected to four resistors to form a simple circuit as shown togpeo bm0qbr8;4 :;d ql0llmw; 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 conne2:z;ify + x.uyuqq2otcted to four resistors to form a simple circuit as shown to the right2 fo+yu2x;q y.tqui z:.
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 ideal ammeter, a switch and three*l blfbf kt6dt + -unoe/0.8ac resistors are connected as shown. With the s/t0nkuba.d- fcl*+lb eo68 tfwitch 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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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideafo,s:s/ik5w.yo, y vpl ammeter, a switch and three resistors are connected as shown. With the switch op fo w. s,/ip5yk:osvy,en 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 ammeter, a switch and three resis r7,xwndb4my btcb 7vgk/zu1k7;q)z/ tors are connected as shown. With the swm/1dvq z/,n4z r)tgwb7b xky 7k7ucb;itch 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, what is the equivalent resistk+ .glceugxg4k4)6r gg k-b4yance? Assume that all wires are ideal, the battery has no internal resistance, and all three)4k6ex +l gg4cggkg .kr4u- by resistors have identical 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 theej 3,mf(eu8 za right with resistancesez3(euf ,a jm8 $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 five p dbqq*37l/v lidentical resistors connected in a combination series al/plv*7b dq 3qnd parallel circuit 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 five identical resistors connected t zdl6kfn3y:) u6i ., itxez17dsb vdyyut0(7in a combinati:bdlt0.e7uf1,i z(7uzd ) 3y6 kyst6y nvdixton series and parallel 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, all of the bd7pt)+ c8nhph6yl w+x ulbs are identical. Which bulb will bec+x np86yw h+hdtp7)l 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 switchu,ui 48my8;zlo qzme. and three resistors are connected as shown. With the switch open as shown in the diagrami l4 uz yoq;u.,m88zem 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 switch and thx 3qayfvy h0(0ree resistors are connected as shq00xyv3 (fhyaown. With the 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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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, an ideal ammeter, a switch and three resisto)utzwp909:gu dqweyrp - la 2qy2 u5j+rs are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 am2dqg0y e9uaj lr-q5pzwptw +u:2u 9y)peres.
When the switch is closed, what would be the current in the circuit?


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