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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 current exists in the metal rea d.7-i(xs*ksax) h husistor connected to the battery. Which one of the )a (kx-dhh xa.s7ui* sfollowing 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 connected in sj zz*8p .*qxrwo, f-dparallel, the_________each resistor is tdzw z-j*,p.roq *xfs8he 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 filg 14eeiq:76g er fe((j,xj afxament wire of a lightbulb causes the filament to become white(ijq 7,fj4fxe6a 1 g:e(eergx 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 hjbivs3s 9j 0b3ousehold lights are being replaced with LEDs. LED is the acronym for whvijj b 3sb9s03ich 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-sectioxozote(h45- jb7/ vlj fzc2l*nal area A. It is to be placed into a circuit, bez2*4oj5joz ct l(/ hx v-7lbfut 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 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. Wire II hasrfdo7;)dc:ay* yxg5 h twice the diameter and twice the length of I. *d y7;co xr5hyf:)gd aIf 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 diameter a9eetenoce n186p12 7nbu :hf tnd half the length of wire X. If wire X has a resistance of R then wire Y would ha 1c 6f: n97ne2t8eepbu htno1eve 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 radi5 m5psbn)dy 0qus 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 material because of this 5py0)n sdm5b qprocess?

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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 wav3s+pgt o8vd; nts to make a brighter light bulb. He decides to modify the filament. How should the fil gst8v 3v+;podament 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 cylindrijd3 aw9g9nq/4u/ s +jjzchac2cal resistors are made of the same material. The length and radius of each 9n 3z /cc9jgj/ada wq+h jus42resistor 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 resistanv,vp 5gmxu+.hce R, are connected to a battery in the following way: “Two resistors are co+mph.gxv5, uvnnected in series. This 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 circuita4vhwnzr r d37 y5q1k- diagram has internal resistance 10.0 kW and the ammeter has internal resista-4kw1y3r a7nvdzq5 h rnce 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 the4m9f0 tyx( sxl right. The three bulbs 1, 2, and 3 - represented as resistomxyltx(0 f4 s9rs 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 the current in all l1/uxd +a;bv tthree rl1 u/xtd+vab; esistors 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 ea,vf5.unx7zdl/ s,3k4s jz zklectric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bulb (orad. v 5sjkz/ u7kn4, z3lsx,zf 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 tgz(pxbocy y0/288 ;zan8tlld he simple circuit shown where resistors R1, R2 and R3 are have equal resistances?a2x; do(bt8ply 8cgzz 8y0 ln/


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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 6m mcz2z 6arp.xq9ou 2yd+61gbqi+jubattery. 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 2u m +y26gb6r6du+ 9ziczajm .1 qxopqone 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 thr4mdc qcas;n 7 ds94j;3fnkz0fough the identified resistor in 5 seconds once the 7 dsd jnm9kzn3a ;4sfqc4;c0fcircuit 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 thc2at/csz z(l*bb -ul6e following simple circuit have the samz zt6 b(s-cu2lc*bal/e resistance, 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, wh31 a;srzz8ti 2sxi m)9od1qthe current through the 6.0 Ω resistor is 1.0 A. What is thq z9o81zdwsrt i31)h2 i;saxme 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 conn dvh,sq g)b4g;ected in series to a battery. Suppose R1 carries a current of 2bsqhv4d);gg , .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 an0r e;ftdd /b.4mb v4bkdR3 are connected in parallel to a batter 4d.vf4mbdb /b er0kt;y. Suppose R1 has 2V 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 12uvh o(v3+ -.ecg6n3;z vgjnmzq/cew000 watts and 120 volts. What is the maximum value of tgc+mv on33w e0eu(.zz6;-njvv hq /gc he 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 at0f-xe: lkqyquf4hy q+na ;s d k(+q+x; 120 volt:ye+sufyd 4;0-kx k+qa (nqh;qql+f xs?

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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 f afk55uho 7flm91 tf3olows through a 4 ohm resistor that is dissipating 36 watts of o9l1f k375atff umh 5opower?

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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 clothz t x)6g-u qmeq13nrhj:k3si)es is marked "120 volt, 600 watt.” In normal use, k u e-)in31gjq 63xm:thqsz)rthe current 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 coh0zj.r 2bdo:0og6jdg uld NOT be produced by a circuit containing only thr:o do62 zjb0gghjd .r0ee 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 o(5d 66ok ejfnta2 9tat84xkwoyhq9,ff the following equivalent resistances CANNOT be produced using all three res 6 6o2ay9k4wqk,ttxe9jat5 dh8o (n ffistors?

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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 differe35ulyul /ydpyd4v+z: nt values can be connected together in different configurationsul: p4 v+3 5dyudyly/z. 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 xfj+6y 3)tlmoresistor is connected to a battery, a total power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identical resistors are connected in series using the same battery? Assume the internal t 6l jy3)+fomxresistance 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 quht4k(( a9cuq9m:plax2+g zR1 and R2, are connected in parallel, the equivalent resistance of the combinataqx p92a4tz+u:(cgm qk9h (luion 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 hasgkk/y* xsyum v 7+i(xgf: q,*e a resistance of 12Ω when operating at 120 volts. What is the minim kqsu : *yfxyme/(k,g7vxi*g+um amount 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 that ik x0dn1b6m;9u4fktd v r-b-vc s dissipating 36 watts of pow0x6bcv k 1-f n-4ru9kdv;m dbter?

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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 curr.sl; m kw:(hv 7tlpxf9ent when connected to 120 volts. If the prichpt.kl:w97vxsm f; l(e 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 a 100W lightbulb lir lxk 4;5emoadz/7jqn6x7tk;5-i c sn t continuously for 1 year at a rate ofa7sx- i7kzt; l5 jm /ncoexqkdn45r6; $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 m, olcbaq1/m2 through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the re qaco2lm m,1/bsistance 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 ot+h-t8n mbah/ bw99kwf a family 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 209bh9w hn+awtmb 8t- /k 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 65r)k *qdir sbvwhe-2 q d2o9mform a simple circuit as shown to s26 2m*qhqv w)eirbrk5 -dd9o 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 four resistors to foiw1e3,v3eo9z m2 tjk grm a simple circuit as shown to the rig,1kj zm3e9gtvwieo23ht.
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 switc n x7lb,1 rmbyf997yimh and three resistors are connectx1myyl7nbifr ,997bm ed as shown. 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 rpf;2vdw 92.vdz vrel .esistors are connw9dvzpre; l.v2. vdf2 ected as shown. 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 ammeter, a switch and three resistors arevz1it6n8s8 v)ezikbu tprfe3 :/. si3 connected as shown. With the switch open as shown in the diagram the ammeter s8ie.1fpn:/iti8sv3t z )krzveb 36ureads 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(x+vc/e,aso evxa:*x equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resista a ecex*(x:+xo/avv s,nce 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 circui7 lkgwmeh7: t;9an:qat shown to the right with resis ql9en 7tawa7 ::mg;khtances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 ( 0vrlgmzi.4ridentical resistors connected in a combination semi.gr v40( rzlries 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 identical rf6, q iazj)md-va*jdel, v4l/ esistors connected in a combination series and parallel circuit toda ldz,v ilq*jj6e/-am f 4)v, 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 ch qpp/4zy s+ rid8x23of the bulbs are identical. Which bulb wild 8yc/p43p zhq rs2x+il 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 switct4 c46/p bf:2xagq mbpl(j/ aah and three resistors are connected as shown. With the switch open as shown inmcbjxa:a6 4f/p/t pga4qb2 (l 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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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 three rnhvgtmo ia0f,5 q:d;d j9+c l1esistors are connected as showgqn i15odljc0 :vh+,;adfmt9n. 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 thr.dl,57joc nmbee resistors are connected as shown. With the switch o .m,j5o7cndl bpen 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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