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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 s)0.or)fh ex ad) (oy,+ jbtwfjhown, an electric current exists in the metal resistor conn( y )x w0,+afert hfodbj)).joected 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 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 connops6- nncb2(*dfwwr3ftgpi *5-i 7m vected in parallel, the_________each resistor is the same. s*5i3rn7ni p (p6cof w*-2 vmtd-fwbg

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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 causes ;d:v0-svev5*duk rimgzdytk+1 9 u *ethe filament to become white hot, 19*ue vyd id vg tr* vu;+z-k5m0s:dekwhile 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 hous n *00dyoi6oiuehold lights are being replaced with LEDs. LED is the acronym for which one of the following dii*0 06yno ouchoices?

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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 has2 lorkfyj74:w length L and cross-sectional area A. It is to be placed into a circuit, but f :k4w7lj ro2yit 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 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. Wir xs*sku): r-h*z yx697py izage II has twice the diameter and twice the :*ap gx*ry6xh)sisz- y zk9 7ulength 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 the 7 vcuo4zb5 yt 0+7xkdddiameter and half the length of wire X. If wire X has a resistance of R then wire Y would have a resisu4 +bxz57 ot7c0dkvdy tance 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 radi8v :o6o -anobvi1 9m tk6nip0ius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the reko t9i6-p8nb0viao:6 nov i1m sistance 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 ligat bipp 7(e27l iok6c+ht bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in orde aeki2c7o6b7lpt i(p+ r 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 materi n,2cp6uw3w9d oqv*fdal. The length andwd3n9vw* qu,p2 d6 cof radius of each 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 c0pw(sq- qfrf9q;) rea battery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in parallel to a thi)qrefc 9w-0;f q( prqsrd 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 +z(cibhz 8l:i c.cau3o2 qo6q5bk 5dbresistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltm oi3 ccqb zu8ch6a :ob52b5d+ l(qz.iketer 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 bulbs 1, 2, s+/w 4e3 oi:e fge2y2 fkr6qfuand 3 - represented fog/ ef26 3f eei+rys:24wquk 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.j6ggtu6qn eg3a8zz * c kk-,6o If the current in all threea6 qzz*k 3ggkcen t6,8g- ouj6 resistors 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 circgo+p t qvuz3 5)m0h-jruit composed of 5 identical li5jhvo -g r zq)m+p30tught 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 concerning the simp fpa 7g3 1pwbu6dj:m6mle circuit shown where wjmda p1 pg6u3m67: fbresistors 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 seri 2f+t 1nruq(bzes 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 represents wh2rf1b( qn+ tzuat 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 cou3y4w 32gz *4d s6ba clflq+hmalombs will pass through the identified resistor in 5 seconds o+s 3fla4lym63cqa 2 g bh*wzd4nce 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 fol n z/ov4lrx4s1lowing simple circuit have the same resistance, which would dissipate4zo/r n4v s1lx 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, th pt/(b:9ss1* :xgf7ijpkp xere current through the 6.0 Ω resistop tps7prbx /1:( 9skigxj*e: fr is 1.0 A. 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 sc1 ib-y. anocyg0gyf4*rsm :0bkc ;* neries to a battery. Suppose R1 carries a current ofy 0cncc *;mg-10ysgbok4if any:b *r. 2.0 A, R2 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 andR3 are connected in r,xq+d:he c8d 3df 97me *skrfparallel to a battery. Suppose R1 has 2m drshd7+ r9xf 3,8fk*eqd:ecV across it, R2 = 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 the max /( cjxns45tteimum value of tn4ct (es/j5x 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 lightbe5;vapaqu t4+ulb designed to operate at 120 vop5aq 4va;t ue+lts?

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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 currex r njp0l+8d uet8e:gb67lim- nt flows through a 4 ohm resistor that is dissipating 36 watts of pomtpg e b8xir78 ldj :+e6u0nl-wer?

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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 watt./; 4sseo. iv+urc4 sb9pkitg5 ” In normal use, the current in is/sb kc9p;tg.i osr5v ie4u4+t 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 bz3q)+ di+ltuuhr:x3r8mr 9n eb pc5w.l.dj, produced by a circuit containing only thr3 .+ bch,3+eixlrnmzplu wqbu98r :t)5jd d.ree 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-ikqc5 va .f8;nj2qn c. Which of the following equivalent resistances CANNOT be pr n .aq-jfc qik5;vc28noduced 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 di b3r4 02bhsocgfferent values can be connected together in different configuration0 2 bhrbo4sg3cs. 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 battery, a total power Pnix2ah k jxvk;)iw8fy31*, +iq; ciqe is dissipated in the circuit. How much total power is dissipated in a circuit if n identical resistors are connected in series using the s i2 ii;h*exwkxq),cn+ yk1vq 3i; fa8jame 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 resim7yx0lzw o3u /y g*0hdstance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following stateyz dh0*0 ywo /gum7lx3ments 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 resistanci q4r2hqokkznh07/ c0 e of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 kg of water fr7 o 0rcn20/qki4k hhqzom $15^{\circ}C$ to$85^{\circ}C$?

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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
教师可以抽题组卷或一键复制本试卷，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
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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 flowsb*pq czuq)/md 9:7ck f through a 4 ohm resistor that is dissipating 36 watts of pok9 :/mcdc 7*fqqub zp)wer?

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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 conaq9: tmkg.m;/ oo+ld :lgg m3fnected to 120 volts. I 3kqm/m. om9tdalogf+:;lgg: f the 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 to keep nhw3o;do 34mva 100W lightbulb lit continuously 3;d ohw4o3nmvfor 1 year at 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 througx9jiogcafv.x1 )h .o1 h a lightbulb results in a power of 24.0 W assioga1)h1.o cfx9 .jvxociated 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 owns a computer rated at 502+ krgkvu38*ygwf8g 6 g4nykq0 watts in a 120 V circuit. If all comput8fykgvy8wg*+g2u n6k4k r q3gers 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 resistors to form a s3laz9k 4f1 mucjh+5 hhimple circuit as sh9 5f1hj+hmazk3cl 4hu own 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 to fou(yzq/l/ 6vu zqtl.tk 7)at fy:r resistors to form a simple circuit as l y(/ltuf 6aky/vtzqq ) tz7:.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 ammeter3oa (ywz 6mfs2, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the am36om fyzwsa(2 meter 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 thresht:br*hi3o7 8k;ro me resistors are connected as shown. With the switch open as shown in the diagram the ammeter7trmbok;:h*8s3hi or 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 resistors are co u33cfuk+ msh,eg w 6u:j*u9qpnnected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 am3 cwuu3 h *j,ufq:m9guesp6+ kperes.
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 equiobd;7 v/sg 7 dhu:npuua1k-t;valent resistance? Assume that all wires are ideal, the battery has no internal resistance, pu17b;v u unha-;gkstdo7d/ :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 t;yz-w m,xa 0-g3e)-ie5auvjtha9oku he circuit shown to the right with resistana90yz;h,-wkv)ui xgje 3m- tu-5oaa eces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 fk y-66w m6z4oazo)ez bive identical resistors connected in a combination series and parallel circuwoam6 eo - zz6)byk6z4it 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 idel.1yo+ zgaanwi r(9u1ntical resistors connected in a combination series and parallel circuit to a volta+ow(.9urz aia1gnl1y ge 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 bulbs are ideyrm, t-*hl d,mntical. Which bulb will be the brigry,hlt- *,m dmhtest?


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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 rezw5)oidnk q:4 sistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampern w :k4id5oqz)es.
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 s0 *mbc vu)m;cswitch and three resistors are connected as shown. mbcmvcu; 0* )sWith 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 switchodaro4ep*h9u1 b -v4 o and three resistors are connected as shown*va-4e o bdpoo 94h1ur. 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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