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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://autoconfig.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://autoconfig.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 therew osh8/fv+ ( 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 of the electric field through the int/s(8+we rv hfoerior 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 q p gi5jiyn)z:*oa:w f:;b4guconnected in parallel, the_________each resistb);5: z: ay:ug4wp g iqojfin*or 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+s;0q y qgcnyjvtmp2: ;g;s. jawb.+ 7hr/iwz wire of a lightbulb causes the filament to become ws2ync w;gj:tw + ;.z q7ag;ibmyv. h0r psq/j+hite 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 p;0q se(1ezavzhtw0d .t-d+s lights are being replaced with LEDs. LED is the acronym for which one of the fola v +zsdhsde -1;0(wq.zp t0telowing 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-section96n 9ho*ye gdxal 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 the new resistivity to the o9hxn g9*yo6d eld 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 wimc ,ox/.do xx1 rolx.2re II are made of the same material. Wire II has twice the diametxdrxlo x2m.1o / c.ox,er 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 tcv5nn)h+ tpf q)u2r ;same material but has twice the diameter and half the lengt) c5t+vn tfu;r2h)npqh of wire X. If 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 v8;j oyso(cj;sd5* htresistor has 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 matsvjt ;(j* dsy5oo8;cherial 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 decides n5j7o ne r3y.eto modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more light at3 ye7jo.e nrn5 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 len1 6tedky si 3 97up:sjh8wrixj +raji/ f7q/8ggth and radius of each r/fj73xsit/ re hr6yk+1 97 w8i:g 8suiaqd jjpesistor 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 batter v(yrbo)ch;;m y 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 thremyo ;rch ()b;ve 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 accs1f93 h tam0tyompanying circuit diagram has internal resistance 10.0 kW and t stafy0 3h1m9the ammeter 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. The three bul5i;d h.lu*wev bs 1, 2, and 3 v.e ;*iwh 5dlu- 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 simple electrical circuit at t5y n0.pqj2 81wt mh4jppcmz(whe right. If the current in all three resist qp5.z( mm814w2p0 ywpjchntjors is 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 right represents a simple electric circuqoq gn8+n(fu6qki ;1a6 t.rajit composed of 5 ida anot qk qrn.fgi8u(+66 1;jqentical 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 concern. vs 0gc7m 3.0sivdpqfing the simple circuit shov 3dpf.is0c7mq s.gv0 wn 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 connecto0kzge f w+;o6ed 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 best represent k6fwezg oo0;+s 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 aqqz1yq*qw vz 6y553zeyt0(j will pass through the identified resistor in 5 seconds once the yz(j3*y5a06 zy15qzweqt q vq 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 following simple circuit have the sr rxoo,7.)ckz 0ews+ hame resistancerh7k o +0csewzxo .,)r, 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, the current through the 6.0 Ω t- y -,tqr4mreub. xf7resistor is 1.0 A. What ur f-q.x4e-ty br7tm ,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 seri,n rb. dxcon, d(,3uares to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 6.0 W of power. What is the voltageadr c,b,nn3. x,our(d 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 connecte+lmf52jr1b obd in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the cu5 ob1lmj fb2r+rrent 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 an , jdrlq+h7cpg:3 v6x6ragw)ld 120 volts. What is the maximum value of the currena xwpv7dq grh ,:6)3jl6+rgcl t 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 watj0ag+zpy93wh t lightbulb designed to operate at 120 vj0+9gwh3a zypolts?

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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 /bcj(wz tg h0a; 5fmy6a 4 ohm resistor that is dissipating 36 watts of b w0;mchz(5gy a f6/tjpower?

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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, 6)cj*c8boxo hsa9gd 9,hb :kl600 watt.” In normal use, the current injb osh cl)h698 bax*9ckd:o,g 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 cou coiq ;e j4abihvfxj(bgitg,) +8): ,dld NOT be produced by a circuit containing only three identical 6Ω resistorsd +b4gx)i,i;jq b vt)(g:jea cfh,8oi?

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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 followin u ztch: j. 9g-)6r(dyo 4ztls0emg)hmg equivalent resistances CANNOT be produced using all three resistorsy. hcgg m4:s0zjeto-lrz htdm)(u96)?

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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 con 7qdag;d3iqck(z xs10d,sbq:nected together in different 3cgad(1,qx:bdiqdq0 ss 7;z k configurations. If all three resistors are used in a circuit, how 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 bat. r-ru/gacp hlv+ bi;da0 z( z,,a9bxrs7j:bptery, a total power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identical resi p(p.:bsauhva0+ j7zr rb cr9 dil-;b,x z,/agstors 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 bs3*htq l0 o6dw jv+v6and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the followindtb*jv63v6 q0o+wsl hg 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 l 3bmn rwrz :al(bzfd f;gk7kbj)/d:c.3p9 .rthat it has a resistance of 12Ω when operating at 120 volts. What is the minimum amo9;cf rz3wj .ad::dlpmk(.n r3l 7r zgb f)/bkbunt of time that it would take to warm 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 resistor thh8sz21 pkd-qj at is dissipating 36 watts of kp1h 2qzjs8- dpower?

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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 to 120 vo)--4xa9x.vk elnu cyb lts. If the price of elect4kcv-nl b-.ye ax)9u xricity 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 lightz kwv0qr. prbz7 o eiz4w/11f x9ca5j:bulb lit continuously for 1 year at a razi0z e zq591wxb1aw ./kp7 4 rocrfj:vte 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 k+l;pmrw;hyib+f :8 aA through a lightbulb results in a power of 24.0 W assoyh+p +8b; aw;f:krml iciated 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 ozjkr *isyk6r85 /rm b+f a family of six owns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circur jrrmziy6 b /k85*sk+it 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 c 6b6bgx rxedj o:f7(:to four resistors to form a simple circuit as shown to the rightj7dorc6x bf(6xe::bg .
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 conne 8u :r(ukn4cvjydi/;fcted to four resistors to form a simple circuit as shown tu jdrn 8uy; /vi(kfc4:o 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 resistors ize*pxl;((hyl+ yl4z1w o(hkare connected as showe phll((o wizk 4y(*z+1y;xlhn. With 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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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 three resistors hhgb u2e)l**i are connected as show i2bh*e)gl u*hn. 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 ideal ammetxd)8i1 ms(y yfazp0t;er, a switch and three resistors are connected as show zmd( ;ty)yf81x 0pasin. With 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 s7m,c mkh36i 6kiy -;p f6rcie shown to the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resistacfksmp6 kiyh3i66i ;7r me, -cnce 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 sa-wig8 ri *.kcircuit shown to the right with resistanc-ik aig.* 8swres $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 spruyn9v39p dru -k7 yck. y9v8hows five identical resistors connected in a combination series and 9yrv3 .9y-kckp7 duyurv 89pn 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 reu iu k6xn e/z-14, wqecx4ab1dsistors connected in a combination series and,c4/z 1ke-iwuqaun4 ed 6x1bx 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 px.7u/ jpbbl .u2 n-;xa0pivbbulbs are identical. Which bulb will jupx.u ;bi vnpb70 bp l2-/xa.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 v 3 ib r6-jsl-smef.o,connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperes.ems3rsjv l, ob 6fi.--
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 thr(zfczs;7in2e saw0g22x j v; yee resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 a7zi(j s2;aw xes vnfc 0g22;yzmperes.
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, an5sm8e g).wf(i puou u7 ideal ammeter, a switch and three resistors are connected as shown. Wiwuueo p) .gs5i8f(mu 7th 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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