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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 elecmu 1 jmoh6 hg-e5ykr+ g)e93xntric current exists in the 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 field5emy+6 3xe )19 jgukr-h ohgmn 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 connect8gou8;cezgj:2 me hvzcx- q(3ed in parallel, the_________each resis meogvcc ejq;h32gu(-8 z: 8xztor 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 light cmtmt2wowu ;. t6eb(hkdcyp)o 7 s751bulb causes the filament to become white hot;ccsu .tp )o kyb6 doe wt7752mmwh1t(, 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 9i-k 7i 9rawntreplaced with LEDs. LED is the acronym for which one of k79n9-i ia wrtthe 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- -s7,3( *wha1m hccvgxy fg0cusectional area A. It is to be placed into a circuit, but it first must be cut in half so that the new length is 1/2mcg1-(7*sh3,achfg xwv u0 cy 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 pl d i9nzj;edtai*+ cq7kv6olf: w/27made of the same material. Wire II has twice the diaq +a;kwnfl2t*7ei/c6dopjd : zvi9 l7meter 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 qoz,jvr/1 uiuj6 .9 jfmaterial but 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 reu,z./ ojqfi1j v96uj rsistance 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 p- sc)g4jm ds-bjgt; )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 b-scgg4j -jd)bs;ptm) ecause 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 makh9,sqh 0dawb9 v4o9 zde 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 produce more light atd9a s 90,h9 4hdbovqzw 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 re53 jz( 7wegqhasistors are made of the same material. The length and radius of each resistorjz57a(ew3 g qh 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 battery in th0g .qmj 1(8e,+weqw;v)kvnlcb om, nccid n*6e following way: “Two resistors are connected 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 equivalen);8 bcemckgli06 +qv(,cev nq.ojd n w,n m*w1t 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 9f.a4uwr4cj 0w9a e/lzx y v.uthe accompanying circuit diagram has internal resistance 10.0 kW and the ammet0 ac. yeu9xvrazu.w4 9fj/l4wer 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 rig 2:r bc3bj ss1qo5jz4jht. The three bulbs 1, 2, and 3 - represented as resisto21sc jj3qbjsb roz45 :rs 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 t4 ;c cfkkvvkj,/ e74(ntv-c/nia iu8n he right. If the current in all three resistors is equal, which of the followkv7 eavn;(c8/f/tv4n 4 k,-jnkcicu iing 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 circuit compo xd rvcfsrp 4i4)+z*a:sed of 5 identical light bulbs and 2 flashlight cells.:xc*4)iv zrrpda4 f s+ 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 ie )t*+,mkf ( xe7b 6afsaeppi-s NOT true concerning the simple circuit shown where kif6efemp 7-a,+(estx) pb*a 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 connectedka3f6apyf0 /bdnr; ,yb8l(gt in series to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are i30gb;/(l8dp6ktynf, b rfy aadeal. 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 throu:041m4 vup ij y5wuidbgh the identified resistor in 5 seconds onmd54 pvi: i4 u1juwby0ce 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 following simple circuit hav8 xrpll f4nx )4lot 55fgctjsz*/ 1u1he the same resista cflg84541l5jhoflstr nx/*tzu) p1x nce, 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 dvkiat/eg/ fi 31iy 3px;r /wr*iagram, the current through the 6.0 Ω resistor is 1.0 A. What i i 3a;fi1x/gv e/3i*krpr yt/ws 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, Rrlt4ekc(coi n*k( 8 n4ql7 (py2, and R3 are connected in series to a battery. Suppose R1 carries a current of 2.0 A4*c(rkyoec (qpin4 7 lnl t8k(, 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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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 v o/5af.vr:g9 8kl nscare connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipatessn fv/lg:ocv.5 kr9 a8 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 12p9pmoocn d)kz((-3 mt7 if8wf00 watts and 120 volts. What is the maximum value of the current under these condi-9 zt(pp 8f(ci od)m3kfm7 wnotions?

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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 lightbulznwf sdz4(65d .twth *b designed to operate at 120 volts?(tdth4* n5z d6wfz.ws

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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 curre5+g fska-gg:u nt flows through a 4 ohm resistor that is dissipating 36 watts5 -fg:ukggsa+ of 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 clothes is marked "120 volt, 600 watt.” Ik zb wpb j.w7yei8e1z (6)s8gvn normal us )ei 7jbpk8zw( .vwe68y1zbgs e, the 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 54; dqpi)jfo wcould NOT be produced by a circuit containing only three identical 6Ω resistjq5f ;p4) odiwors?

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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 following equivalent, * s8ynhuq: vm+3oz. )qxiubb resistances CANNOT be produmz : sx*i.)b,o8u3q q +unvhybced 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 different values can be connected tx. ijoqhsdb0gs ;5a.c9to89 bogether in different configurations. If all three resi8d;si os5hc9x9qab0. ob.tgjstors 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 connecty,y(t ayk eg+.ed 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 rek.y( tyae+,gy sistance 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 cof xmkf( uec3hsi3ht+ p 0-x7.knnected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following staikhkp f3s exm (x-f03+u7 h.cttements 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 resistance of 12Ω w24 , s 4d3d7dnrq hma/rf/zwftn9y b-shen operating at 120 volts. What is th/ w,yrqsmdsn 7h 3ntz-a9df/b f2d4 4re 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 efm7 m1beif;f7qb 8g5 xsj)7ythat is dissipating 36 wattsb f7)qjxbg;mmf 578e1fey7is 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 amperes of current wl3*w4/trddk f hen connected to 120 volts/*lt ddkrf43w. If 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 a 100W lightbulbta 5+ )wq d-vl:nvsgd, lit continuously for 1 year at a r)gv5vqst , :l+wndda-ate 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 4.02rnb d/k2r yyp4j5:s d0 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resistancsr r:/p25dbyk4 2yjdne 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 famistb p +4:g qp(dfpn24xf6fxzpkv, 53fly of six owns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuxdz5nf4g pkbtf6xq f+,v4:(p2f pps3 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 to four resistors tvkoxb2)9f 1f/hx o3c bo form a simple circuit bfh2/ok) 9ocx 1bvxf3 as shown 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 connec9np3tja)p wv4fyf3 n 3ted to four resistors to form a simple circuit as shown to th ty3 39fpnawp)3fn4vje 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 resistorsvnfd8r,*u fs 5swej.8 are connected assdvwes. 5f8u8r f*,nj 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 that wkw6pit -h;g:y7d *ree resistors are connected as shown. With the swh7:-kawgt *6y; tpid witch 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 shen9s2 0 w38*un dytzzla2r0 fwitch and three resistors are connected as shown. With the swwa fh2u rz0y2l 8z*90sd3 etnnitch 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, what is the mcyrnd s18njo9nhw:ou dk*qi* 8;4* cequivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all thr 9induk qsr c *oy* hd;nmoj481*cwn8:ee 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 rewx:o+l keiw/s,96s upsies+o96i/u k p,s xw:lwstances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 connp(lzvh) mb.q wb+0 *uhected in a combination series+qlw)b zu.m (phb0vh* 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 resistor lgfv*-7 lydb.fdk m;+eq)puz; kcy 84s connected in a combination series and parallel circuit to +-y ;kb7l; ygpvmef * f.8z4cdd k)lqua 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 diagrambq au00c(tke5u l i(blu-df )b8xo j56, all of the bulbs are identical. Which bulb xku)(boq06-cued(b 5f aiu tj l5l08 bwill 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 tusy) k:-ma415ch upfqhree resistors are connected as shown. With the switch open 5-uqu 1m ) fcashy4k:pas 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 ammeter, a switch and threej:uk c003h mfw resistors are connected as shown. With the switch open as smhk j0 :0ufwc3hown 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 z9ucad l 2)c(sand three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampes2zcd 9c(u)lares.
When the switch is closed, what would be the current in the circuit?


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