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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 electcrfv(6 0)kox6rm ; 8mbjuvr1 xric current exists in the metal resistor connected to the battery. Which one of the following choices best describes the di kx;v omr0c61v()6rurm8xj bfrection 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 parallel, the___xizz8gl5y 0x ,______each resistor is the samiz5,zxlx0g 8y e.

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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 causw;euzq--4gobjy 1e5 8ks7 m kmes the filament to become white hot, while the larger wirmz q45yub-ewg ;k 8sj-m7o 1ekes 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 m s qglw9ml6.9v12bxw household lights are being replaced with LEDs. LED is the acronym for which one of the fol29m w9xql swg 6vmb.1llowing 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-secti (h egsu3nt4g.onal area A. It is to be placed into a circuit, but it first4 gh .es3n(ugt 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 materia10vmv ++xb vwg;wro9udi,r o1 l. Wire II has twice the diameter and twice the length of I. If I has resistance R, rov 0;v9m vduorg,1wb1iw+x+ 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 glxih:yy g7+5 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 re xhygygi+:l5 7sistance 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 lenx9r 36yhvf anu,) 5mmmao4 3xtgth L and radius r. This piece of material is then drawn so that it is a cylinder with n94)uy6hv fx,mxmmao ta353nrew 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 Edi. rf- p1ayomt x5jj5;wson wants to make 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 proajfm 1w5j-5. xrto ;ypduce more light at a given voltage?


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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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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 le9g;eiunb. 4 ningth and radius of each resistoru 9n e4in;igb. 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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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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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 t p ,ps vmje7ne 1sdd1.-vm66pwhe following way: “Two resistors are connected in series. This combination of t.d11d-6psjwe s, 7 mnppmve 6vwo 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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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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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.35: The voltmeter in the asb,r(dj w0a;dccompanying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resis(sbadr,d w j0;tance 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 sho8aj4 jszb vn92 1*ew4loa+frmwn to the right. The three bulbs 1, 2, and 3 - represented as resistorsw4 e8zjjao+va4f*rm9 1ns l 2b 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. Iftrc7c ,f j2-rm,j esr 05oc)jw the current in all three resistors is equal, which of the following statementc5-e 2,)j7j0t, f rcorcrjwms s 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 circuit composed of s a z-940w zjpyg*qyv-5 identical light bu9-p40wjy g zavq *zs-ylbs 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 the66v6rhgpesc ;y .owk2scwt;e vo 7 w*6 simple circuit shown whe;w cyvcp2 o6ewo6v*w;t.7egk6hs 6s r re 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 serkh/35we)t 2/y rvnjl2rxjx u7 ies 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 /kw3x hu) vyrxj /lr5272nejt 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 couloexk99+0d*+ gzgiu fhumbs will pass through the identified resistor in 5 seconds once th9 hu*+kg9x i fu+0ezgde 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 th3.dex.fg2 ia/xfeu i l07 if/ne same resistance, which would di2. 3f.i/xgif0dexn7/iul f ae ssipate 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 throu87s(pgmifru; +8q hxygh the 6.0 Ω resistor is 1.0 A. What is the py7x+q f8up s(;gmh r8iower 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 qb2 dorzc)5wp1 cto4udd. /2jto 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 powerd r)ccto5 21jop4q.zu /dbw2 d. What is the voltage across R3?

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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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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 a2 bt;jlauj,m+z,rd(aihcx. 5 re connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ωl u;z+dr 5( jbj cta,2.hami,x, 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 ancft6cz 9;j.tll3v r+ud 120 volts. What is the maximum vj v;u.9tl+f cr zlc36talue 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 resistance n69n ulzv/f 3wof a 60 watt lightbulb designed to operate at 120 vw/ zlnn6 3fu9volts?

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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 r54 :rsobd6r8+z mgpbx esistor that is dissipating 36 watts of4bmzb8+ gp 5xsdor6r: power?

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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 clothei5trn hxb;7 6rs is marked "120 volt, 600 watt.” In normal use, the curb6 xi;hr7 t5rnrent 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 eev, v8(wdu(a(uafd0 NOT be produced by a circuit containing only three identical 6Ω r(vvdu (edwueaa (f,80esistors?

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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 thc y3xa3x)ej2vt,r nq.e following equivalent resistances CANNOT be produced using all three),ax 3cxt3 .2jr qeyvn 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 diffpxv z4kp 9w.uly +z.vey/-yd0erent values can be connected together in different configurations. If all three resistors are used in a circuit, how md +9yy-.0v .4yzzxw/lup kvep any 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 re69h3:6 otpzkfl0oa wxsistor 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 resistance3 hpfktzlo 0:xwa69 o6 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 res*w rw lte*p-xr 8:j/p10yih fnistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the followippw - e/ryl*t1w:8h0r*ifj nxng 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 ip0v23hwkx ge* ) kqutdk856w gt has a resistance of 12Ω when operating at 120 volts. What is the minimum amount ohpd wxk q kwt*06kv528g3u)eg f 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 dissipatin7kx/ho m-z( das1 appzx26k x6g 36 wa2z p6m - z(oxhs1adk7xa/6 xpktts of 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 amper aor*qx3big; +es of current when connected to 120 volts. If the price of elao 3bx*;gr qi+ectricity 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 gy.j 6ooun6f u1g+tfaz+c 8(0xle9c s100W lightbulb lit continuously for 1 cs 8o co y6f+0+eljzg ugutx1(af96n. 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 a1drd (dsh;sqd.6oz8 x lightbulb results in a power of 24.0 W associated d(qx8dzh6 o1dd;s s.rwith 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 br0 8-kve+ ehkat 500 watts in a 120 V circuit. If all computers are plugg-0h8e+e vkbrk ed 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 s-j szc1sargrh26(5,4pe tdim imple circuit as s56rgzjrst 1- c42(heipa,msdhown 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 four resistors to for0o0(j bp;nmunm a simple circuit as nm;obn 0p(0uj 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 ammeter, a switch and thr4m.mb; cx9boree resistors are connercom9;b. bxm 4cted 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 swil)sbo*e gd-j; tch and three resistors are connected as shown. With the switch open as shoold sj*;g) b-ewn 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 ide fh2,7elu7e a(kf9qvg ;.vsij eu h,i.al ammeter, a switch and three resistors are connected as shown. With the s. v uii (77vlh qf9gue.,ase2efkj,;hwitch 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 shown to the right,i6g* ojx:+/8 qivrdz k what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all vk o8zi+*x g jqr/d6i: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 tzzztus 9 +1m0nj jn h9(o(mj5the right with resistanhzm jnmt9+90( tu (ojz51jsznces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 cd* -co ;eyx*cjombination sjoe* ;d*-xycceries 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 resistors connected in a*w,k tl4(uh qi combination series and parallel circuit to a voltage sourwk i4*qluh(t,ce.
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 dia 3+dy eiso+u/aud)3zcgram, all of the bulbs are identical. Which bulb will ci)3 d3 dyazueus/o ++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 an*6o*og p4zv 8rtw)gow d three resistors are connected as shown. With the switch open as shown in ozt*6w r 8)o4wv*ggpo 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 s 8a3asbxx4*7p 8tovkand three resistors are connected as shown. With the switch open as shown in the diagram the ammeter readosb3* p 78x4xk8 vtaass 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 cdzs*4*uw (lz1 iyq,fthree resistors are connected a(1cu iqd*z*fy4wz,s ls shown. 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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