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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 show 3wcxzy+l/x -tn, an electric 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 directz -/xlywt+c3x ion 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 i q r)t.gbqn, 6va7,.pzh c0bein parallel, the_________each resistor is the s ra..gbepv, c bthq) 70n,ziq6ame.

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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 t)zkcp )y* a-nqhe thin filament wire of a lightbulb causes the filament to become white hot, while the largerzk* cynq-)pa) 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 znh;9vo r)yl0f18h tuwith LEDs. LED is the acronym for which one of the followinghzr;v8 oh90y1 u)tnfl 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 graphlpeksv/ +:a2ro7z 7 vpite resistor has length L and cross-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 tkov:7pa7rz2e p /+vl she 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 sagp shibm9.e6 l3d*f7sme material. Wire II has twice the diameter and twice the length of I. If I has resistance R,s3ild9 6p.bs7 eh*gmf 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 madeqxw3n; in5gn , of the same material but has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y would have a resni;,nx 3gqw5n istance 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 radi2t, t-d9f4hbn2fpqps 1vho f.us r. This piece of material is then drawn so that it is a cylindeqdosb.nth ,1 ft -p9h ffv422pr with new length 2L. What 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 mak1*n7,s o 5vm2wvmydh ee a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more light at a given voltagedms5* nm2yvo, 17ve hw?


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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 leng n 7fpdnmi5c3+6/eay0cv pur(th and radius of each residpf7nrvec6n ( a im350pyc+u/stor 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 battery in the 5zp 6zj5aym3j following way: “Two resistors are connected in series. This combination of two resistors ia 5 53zpjzmyj6s 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 diagram has internal res:19k i.e wvurg0th:lzistance 10.0 kW and the ammeter has internal resistance 25.0 :9 t :w.0uil1kzgvher 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 circu5cvv2pbaj+t 5un6pydg 59e 8 dhfch .-it shown to the right. The three bulbs 1, 2, and 3 - represented as resistors v9dh eca u5nhdv6pb.pg8 t55+2-jcfy 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 eld 8qkg:tn/m5gectrical circuit at the right. If the current in all three resistors is qtdk/5 g8: ngmequal, 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 right represents a simple electri8n,wbn 2qj.gwc circuit composed of 5 identical light bulbs and 2 flashlight celj 8qbwn ,gwn.2ls. 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 stat 7trp 0mic;hnwo. )wx6ements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are hanm0xwohw 76i;rp)c.t ve 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/5lw97u5 k4e;l.jrd e gven kn brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connected in parallel with each other to the same batt . kun vr5lnee549e7/jlkdw;gery, 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 coulombs will pass thq*0sh1ox 1zazrough the identified resistor in 5 seconds once the circuit was 1 szoq 1z*x0ahclosed?


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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 following simple circso m dcx go3l6wti/.,+uit have the same resistd. 3too,glic+xm6 /w sance, 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 circuit diagram, thceurlv* .8-cymw v:idd3h,5oe current through the 6.0 Ω resistor is 1.0 A. 5ymi vr 3udec*d ol,8h v:cw-.What 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 are connected in series to a battery. Su3 uycf5)x 0tuxppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 6.0 W of f5ycx0 )uxu3 tpower. 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 cone0dpt-t5qka0gq1 /ha nected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the capqtg/t5e 0-0da1qkh urrent 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 the snyt.i7 gb;e;3 t;h,du-eaymmaximum valueh es- tdgi;bayn;y 3;t.,em7u 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 resistancesp+dim9ydp l, :7y *k8tifu x0 of a 60 watt lightbulb designed to operate at 120 voltssl0yxdty:k+u9d87 p* f ip,mi?

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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 rvod )u1 e31+bwd)dysj esistor that is dissipating 36 watts of poweryjwde+ sudd)1o3v1 b) ?

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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 prrsw): lt5h;)xrub6 0x4tzij qess clothes is marked "120 volt, 600 watt.” In normal use, the cu0tbzrhjs4 wx)lxq i;:)u 65rtrrent 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 produced by a7wpky x,h 8twm/2p3/fk zo)v h circuit conta3 h7v)8 p//wzw 2m,tyxpfokh kining 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 thzri ;:; ka4gqrree 1.0 Ω resistors. Which of the following equivalent resistances CANNOT be produced using all three resis:zgkir;4q ;r ators?

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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 valubb9 1t4 1u,p6e:tqesg(mkj z5hg jly+es can be connected together in different configurations. If all three resistors are used in a circuit, how many different values op kyg: (1bhg1leesz t6tm+ 5bu 9jqj,4f 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 total powe)3n/eb efhra(qo tk +/r P is dissipated in the circuit. How much total power is disn bt3 ee/+o )kfarh/(qsipated 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 R ei1,u4m29s)oag xdii1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resi1gxamoes di,49 2u)i istances 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 desig v4rwf3m60) hcn zq xjii*:/ahned such that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warm 0qnh0vj rwxm6h i) ic*f4z3a /:.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 resistor that is i) xg 5y1xh,qwdissipating 36 watts of power?,wx5i)yg xhq1

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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 amperjiigi8a3h w; /es of current when connected to 120 volts. If the price ofii8; 3wjia h/g 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 to keep a 100W lightbulb p/ 3t)j:ug3 t6 d0lxrnj*pjehlit continuously for h3j/0)pl *gju ej3nt:prt6xd 1 year 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 uia/cj ow r:q2ryy-l5t.: .dd results in a power of 24.0 W associated with the bulb. Which one of the following choiceswu:a2ry 5 olic:td j.-q./ dyr 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 owns a computer rated at 500 wz* 9sqmgrl22 eatts in a 120 V circuit. If2 zm9qls* er2g 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 connected to four resistor,a u;t bsl:4wns to form a simple circuit a4au;l:bt,ns ws shown 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 connectedgz+se8j1nw k s )y77mt to four resistors to form a simple circuit as shown to wsz)t myj8 kng77s+1e 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 three r( 0fpz5 ghlqa*esistors are connected as shown. With the switch open as show pgza50lh(fq *n 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 batterkma 13bo66b mzy, an ideal ammeter, a switch and three resistors are connected as shoo6zmb k136m bawn. 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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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, an ; yjdm k:f 4+h8g0rrxyideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads0y:yrrh8+mx jfg; 4 kd 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 bw f ;t2m;e1;sasyeb szad5-q1 mzj.4resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resistance -q1;.fe et4s 15aabzjmzbm;s ;ywd s2 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 sq-c)i,a:b- shl1dk/k c4i awghown to the right with resist-a): bwc hc-,iglai /kk14qdsances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 re0jw o63.q ,wdw exhfi8sistors connected in a combination series and parallel circuit to a voltag h3io8.0wwd eqf6,jxwe 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 connectedeyp(1w9 g,4 k9 eoytr oshbpg5 xl;j5* in a combination series and parallel circuit to a volt( ogs ew*l9k g5j1,59erxyoh4ppty ;bage 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,de;0wxst +k374xftp s all of the bulbs are identical. Which bulb will be the s0pt7x w +kfte 34sx;dbrightest?


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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 switchfh 5j8ofq8kc 8 and three resistors are connected as shown. With the switch open as shown in the diagram the ammeterq8fjfc588o h k 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 ammeter8xo gcv6 j)gx8, a switch and three resistors are connected as shown. With the switch open as shown in the j8gg 8 c)6ovxxdiagram 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 a;wt 7)qovvbzhl5iy9k x -mk; o5b+:wvmmeter, a switch and three resistors are connected as shown. With the switch open as shown in the + v ;x-)qw9km bvkh7towz55;lv :oybidiagram the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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