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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 p sbc27wtu;x 00uu+jp resistor connected to the ub;cw2xus0p 07ut +jpbattery. 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 connected in parallwd e, yoq88z(uel, the_________each resistoreuqoz(8 wdy8, 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 wire of a lightbulb+ g;dae3i7pib; kw2aq,zrzbd+, vw/j causes the filament to becomeb;i/ajzrpwa+,+2d wg evq,d73; zkib white 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 pqr,z kzg:q q3f-)z(athe acronym for which one of the (p gfqr qa)qz-:zz,3kfollowing 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-seczo/bh6+qq7 qxtional area A. It is to be placed into a circuit, but it first must be cut in half soq6xz h/b oq+7q 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 zj)z+)ren q;0 xs: g70ksrodvmaterial. Wire II has twice the diameter)zv0 knqjx+7;gr: dszs)0 eor 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 n3) m0)nclyb(p(:x 5mxsu vdnmil97t 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 resistan nn x50i)mlyvup (n (:c)mm7ltxsdb3 9ce 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 piece,6s1o wi; a;ybkuyqkvk/2; n a of material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of k /aiuynq,ya1 k;osb;2w6v;kthis 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 brighb-vje -e(70g k pjkgo6ter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to mag7 kp0(e jo-b6ekvj -gke 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 material. Tv-w f.gimq+nfwt8 9q,he length and ra +vqwq,g.fif9m twn-8dius 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 a battevk*)l ktj x.t+ t6 m9pqp);zzfry in the following way: “Two resistors are connected in series. This combination of two resistors is connectq*z .k96f t;zltv +pm)xtpjk) ed 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 internaly+r mw5)ch j5,xmghx g2i b+,j resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter readingx,w5gj2 + m+byx),hj ic5hmrg 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 righe.foq, ca-p/ yt. The three bulbs 1, 2, and 3 - representedf /,qy-ac eo.p 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 simplezqac6e)f hjtw k8k. -g0te j87 electrical circuit at the right. If the current in all three j0zf8a-86jwtqget.k )c7 kh e 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 simplegag mgi8p1+d sgy734h9 ir2o y electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bulbhg1 g miyr3o2g4yp +a8d gi97s (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 f fx * .edfqp9n*l;f-fzollowing statements is NOT true concerning the simple circuit fzfnx ff*-;.d l9 qep*shown 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 to a ba/atnbfa)xre30bv p(cze/( g u8*/ulz ttery. Bulb X is brighter/u *)((veb/tf3g8p0lbaa/nu e xr czz 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 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 through the identified resi.;- )mwi: ihvcnhj u sfd4,9wvstor in 5 seconds once the circu-,. 9hnuh m)i s;:wvdijcfw v4it 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 cir89;folt3 0)vbqqi:-is ;igf z4yca)qi rqt +dcuit have the same resistance, which would dissipate th-3qdgrittf4vi )ic)yf 0s+ ilqoq9 ;8 qb;z:ae 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 they 45yfg:) niai 6.0 Ω resistor is 1.0 A. Why4 yg)5a:in ifat 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 R3ss ((*bqqe .fv6agxdy/x,c+ o are connected in series to a battery. Suppose R1 carx bc6/(vss+e.daqygo* q f x(,ries a current of 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 hbzbm xud6u90*0jc 9 zare connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the curren6b*xzz00d9c9h umju bt 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 sik 953sbm:w+w7:pez-rjbl bis the maximum value of thewjrsl pw9z5m+i-b :s 7eb:b k3 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:b u- v /f,mhg)c *ht4ttrw4lp2db jl. watt lightbulb designed to operate at 120 .uf-hr)g4lh2 vptw4l,c /:m jtd* btbvolts?

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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 agvyix i +6pv 6z9h-by2 4 ohm resistor that is dissipating 36 watts of power? hpi6z9i+ yg-vvb 6yx2

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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 voln/j- q7m/ oqzft, 600 watt.” In normal use, the cuqj-m/f zo q/7nrrent 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 bkueacphj e .;n;yqf5+q* 5g. ap5iel8e produced by a circuit containing only three identical e.+;qkeh nfpel58* icaa yq; u5j.pg56Ω 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. Whtndlpa;j8 +tx:qt-y s;8 owf7 ich of the following equivalent resistances CANNOT be produced using all threeaqdtl y;+p;ot7sn:wfj88tx- 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 diffel*jny,tl**p erent values can be connected together in different configurations. If all three resistors are used in a circuit, how many different values of total resistance can t*p*el ynjl*,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 P isx cq 1mncu+ ;m2ze zqi0jl2(4b dissipated in the circuit. How much total power is dissipated in a(c m0ezu4zcn q;qml bi2j+1 x2 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 conne.cc 7 (;mtb4zzmp sw9ycted in parallel, the equivalent resistance of the combination is 5Ωmtczczws 9m.4;b (y7p . 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;kg pk*xq69n(rmup 9w such that it has a resistance of 12Ω when operating at 120 volts. Whagrx *9q6 knkp;w9p(m ut is the minimum 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 is dissipatincf75geipy) j5c,+g xw : w90rbod+hem g 36 watts ofe)c +b o50 eyp59:wjcgfi7+wd gxm,hr 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 draws 13 amperes : agv95ce8owm8iyd/b of current when connected to 120 volts. If the price of electrivig8byow md c :/98e5acity 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 w,(bt,i w9lr;ee 2jgzpould it cost to keep a 100W lightbulb lit continuously for 1 year at a rate o, jwig,tzp2l(9e re;bf $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*to .tkwp8fj5:w dm-b8.u zm m lightbulb results in a power of 24.0 W associated with the bulb. Which one off8:8pm*k.bt mdww5um .jz t-o 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 sg +rqqe11-6m hx et,roix owns a computer rated at 500 watts in a 120 V circuit e,xr1g1o-+rq h tme6q. 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 connected to34 vra0upp ltpb1wx25 four resistors to form a simple circuit as shown to the ril01 2 pppwtv 54ruaxb3ght.
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 pd c (ixqh9l/vai4(t 1l3u.al/mmr ,y resistors to form a simple circuit as shown to h clxvl(p, q3(iu tdammi4 .y/1a9rl/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 s wh y8* ;vb6qd3ktk/ oxti5xx9witch and three resistors are connected as shown. With the switch open as shown in the diagram t3v*d kbt5 i6xoy h 9wk8qxxt/;he 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 resistor8: r+kpx6.v0 bid lgyawt(v/ vs are connected as b06wxt:kgli. ( 8 vy+/pvardvshown. 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 anux(-gef;pq 2 v3jkjqi9 y x9h0d three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 3yg qui0jej(9 k;xh-vf29xqp 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


参考答案:    
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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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.14: For the circuiz/ 5mbhd 0j3 8n6ypxrft shown to the right, what is the equivalent resistance? Assume that all wires are ideal, the battery haf3rn6h jzy8b/d05x mp s 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 the right with ,ib4+lq o1mf:e, +hwg zwh;yyresistanf g4;:w,,hqbyzm+li+e oyh1wces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 connected in a combi5w kful))x oll6ia0e2nation series and parallel circuit to a voltage soulfwi6eo0 2)5)xaukl l rce.
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 connected in a combinad.tz712y -c rbs 6tcjftion series ac.7 -6tsf 1byzdjt c2rnd 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 t4qzb9 42grk7l :pl:wx qu9sa)w pnj*ehe bulbs are identical. Which bulb will be the brighw)rbpk aq jw94npqleg29lx sz47 u::*test?


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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 batter g s-h6m,3/asqjtswy1y, an ideal ammeter, a switch and three resistors are connected as shot/-3qass6 sy1,hmw g jwn. 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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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal amh0a b88+otjbb:f8.mbe isim) meter, a switch and three resistors are connected as shown. With.8asbb+i mjb)bf808ith: m oe 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 amm7y i.v9rx/bxe eter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammetebxi9y7rx/. ev r reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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