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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 cub,za ;60:mzpq* jgpmr rrent exists in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow thro,*p mm6prg0z:zqa jb ;ugh the resistor and the direction of 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, the_________ea uhij k8k j+.meztr)+s *bl56( gsg/ukch resistukiu t ggs.m+*rkb+ zjk/ (586)ehlj sor 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 filame.fpl39sgx np2 nt wire of a lightbulb causes the filament to become whitefnpg 2s .3x9lp 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 is the a,4vcdxvmj -gbe6i kj;1esn/g1.x nlj/d0 sq) cron110k-6n;dsex , n/v4ib/s) egcjjxjv l mg.qd ym for which one of 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 cross-sectional area A.d-imz81p,,ym9yi-hn ar/w vl bq 6k;y It is to be placed into a circuit, but it firstvr,l mid 81-ahiw py;qy6/ y- b,mnkz9 must be 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 mad7zz/ uog-4uw;nw 8p mse of the same material. Wire II has twice the diame7gpwwnzs-; 48zumo/ uter and twice the length of I. If I has resistance 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 material but has twice tp y8mu 3gs yx 4laccj,+.(1paehe diameter and half the length of wire X. If wire X has a resistance of R then wirex .mpyc8c j(a,4a3lpsueyg+1 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 has length L and radius r. This piece7u3uyjw0zr 4m of material is then drawn so that it is a cylinder with new length 2L. What happens to the resm0u y 7r4z3ujwistance 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 wbw4p .d hb*+h1lo) cvbrighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in or . dlwc*+v 4hpbb1)wohder 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 ma5l 82a w9i/n dfor w8er0;fguaterial. The length and radius of each resiseiuw8rl9 nrw8f of/aad0 g25;tor 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,*58/ykjs9 ed7br mjwq each of resistance R, are connected to a battery in the following way: “Two resistors are connected in series. This comb5q r8sw*/d9ejyj7m bkination 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 cish cd+6ut0-u,mupr b-rcuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading istpr,d c+hmub60- u-su 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 three bulbs6 rlu5g3k zj9jd pt1;70aifv i 1, 2, and 3 - repdip1 5u; alrv973gzif6 jkt0jresented 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 the right. If kxe+ v)/k 6dyk--p8 myn fqq3e9p7pvzthe current in all three resistors i+/ mzq7pf6kv9 e y3 nkpy-epxd -q)8kvs equal, which of the 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 rig5/ga-hmjh ew-f1. xju2sps vxs by0 r54ba j,3ht represents a simple electric circuit composed of 5 identical light bulbs and jw15,b.uxg-jy03shpf42a svea/m 5x -sjh r b 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 j:yiok 1dtxy- utc)qq.z3 ;6mis NOT true concerning the simple circuit sytm;kqi 6yjqdc1t u):o-xz. 3hown 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 )e7e.p0oq,z73:af/nttia 5jeyz h ei to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connected i05/a ntf 7)eiej.:iaoq,ze3ehpy tz 7n parallel with each other to the same battery, which one of the 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 coulomc v85ccdh 2;su-cjd 2mex-n1c 7jpgm4bs will pass through the identified resistor in 5 seconds mcd-2vm7g 4 nu c15c28 x ;cpjced-hsj once 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 resistors in the followinh aimrc z2+w wxq;-(*wg simple circuit have the same resistance, which would hwcz2 w;xw r+im(*a -qdissipate 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 circuie44zu ,beq m6*y7jr9iku)p tft diagram, the current through the 6.0 Ω resistor is 1.0 A. What is the power supply uej7r* 9fq puz)be6iy 4,4 tmkvoltage 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 hg h3*vte//2mx:uns udm8ea+series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R32us8th ee/dv*g /+maum 3nhx : 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 andR3q q pmru5 /(s-3d6quzx are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the currentp um qsxz36qur5(/d-q 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. Whak* 0tqr j/a.a2b e(tcbt is the maximum kab*2q rt.c 0/ eabj(tvalue of the 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 ot y 9ldz)h,i em3b*c1msxl8 +nperate at 120 n8 mxl1lshcm9+*3 )ebzt y,idvolts?

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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 that is dm(/z 1a etl 3e-pn8mc,(lxw*oneuz 3k issipating 36 wa3mz 8ne m ol3ete,pu*x-l 1 ((cawn/kztts 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 usvc45iw e5o,gyed to press clothes is marked "120 volt, 600 watt.” In normal use, the current ie 5vgoy 4c,5win 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 couldys1b*vr2eo nrom( d.wxx-)*d NOT be produced by a circuit contaiyr.x o-m1 n*(s dr2 *dv)bxwoening only 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 three 1.0 Ω resistors. Which of the following equivalen* fj8m*g)ez d-z5 whddj j,vh0usqu12 t resistances CANNOT be produced using all three resistorhsjz18 -f,hg d*qe)mvj2d*z0 ju5w ud s?

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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 connectov73hdhv:mk )f; wlf 3ed together in different configurations. If all three resistors are used in a circuit, hofm vho3d7) lh 3f:k;wvw many different 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, a tok7 wr7g kqt;r 7v/:1qen4zh *srpn; pqtal power P is dissipated in the circuit. How mu7q;7hr:tg np q kn1k;qwrep/ rv*7z s4ch 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 connected in parallepw dr v5;lj:2 jqtq1-rl, the equivalent resistance of the combination is 5Ω . Which oj2 ptlv- qdwr:5r 1;jqf 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 resistance ;:4bnmjry 4mkuw6 zw+:oe1 tlof 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to waewko4 +n:m trm;ulj yw1 z46:brm 0.45 kg 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 a 4 ohm resiss1h/ pibsl f5jt.7w -utor that is dissipating 36 watts o17uhl./bi5sjwt -f s pf 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 draw,i*o(lit/wn tg7ib sp +;u. cgs 13 amperes of current when connected to 120 volts. If the price of electgcp/i ,( ilsi;t+u *.tbwng7oricity 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 to keep a 100W lightbulb lit cont0lwp :x p2xvwy)siv*)inuously for 1 yevp)ypli*0swx: )v 2wxar at a rate 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 o no;/nnyd xqj5a3pr;+3k1dea power of 24.0 W associatedo n1e/yap3 q3dn5x+j;dkor; n with the bulb. 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 ownsh+7 hct a0mf4l n(wwl) a computer rated at 500 watts in a 12 )wam07l4+tfchnhwl( 0 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 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 connecmhv w 3anf kp i)c;i()yjyzi 4u5kq5.*ted to four resistors to form a simple circuit as shown to the righy3ki iyp)u(f czj45vq)hanw 5* km.;it.
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 3kljc7 *tm1r: 5xv6fj:p pvysto four resistors to form a simple circuit ac jjvfkl1m7 *pvry3 :6:xp5tss shown 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 ideal ammeter, a switch and three4 ) pufc:dh-f2/x hure resistors are connected as shown. With the switch open as 4p)hrfxe:f/dhcu 2- ushown 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 ideal ammeter, a swi1v f2e*dj;rlto 4ga)wtch and three resistors are connected as shown. With the switch open as sh4;1feo2arv)tl* gd wj own 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 db2lv*u uk7a+newy8:resistors are connected as shown. Wit* dv2+byu7uwkaln 8: eh the switch 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 arb3m)8 uiz+ho:y )fuzxf+k;to the right, what is the equivalent resistance? mz8bz:+yu xaku; )if+fo) r3h Assume that all wires are ideal, the battery has no internal resistance, and all three 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 ekt nlmp (;1*vv5yz q8u)1botthe right with resistaqv )oebv(k l ;85tmpn1zu yt*1nces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 identical resistors connecowt/na7zy5 g 0xod0h (, j;pot( *qcgsted in a combination set(5h gyt;z0,xonp dq w/ 70gao(cjo* sries and 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 md6: oi au1(bjidentical resistors connected in a combination series and parallel circuit to a volt1:obijm au6( dage 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, 8.ejy7(p x ietag-rjz q2v:x4 all of the bulbs are identical. Which bulb will be the vgt (q x4z87j2eexa.:ry- pijbrightest?


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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 ide.n wk*1w)n(x qtzlvo8al ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 a*nt(oql 1.x )kwvzw8nmperes.
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 batt/h0r-ku g we.s novdqz/ z ;sb9g.22pyery, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown sv- buzgg/z220.o.s n 9yhpe q/dw;rk 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 resistokd,y4vk t+a 6j;, 7x7b utee cpfb35uors are connected as shown. With the switch open as shown in the diagro 3d 6tkb x7u;7 4vtpu eyc,be5kaf,+jam the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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