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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 cur a1kd0yoo3ttcl,4 pp3 gw;ba +rent 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 fieldp;wo31aa 4 plygd ,30c bk+tot 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 parall.g e)6:9q vywqn66hl.jrx 4,.r zg2tgp kps ciel, the_________each resistor is t9se .:4lwggk p6xij6r.)cznryg6 q2.,qvpthhe 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 causes th2g rl9j5uucmqxw9j7m wl)q y59p8 dj n:0b5foe filament to become white hot, while the larger wirqjj2w58x:j5nud9 9ub 9y 0l w5mgo)rq7f mcples 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. ee4)lllrkd4bj 5 /7 viz+z uz(p s,bs(LED is the acronym for which one of the following choeusb7 zjkb(,(zl e l4)i5rspvld4/z+ ices?

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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 and3ft-rb0lc 1)lxrd g fxnaie41 b k6l6( cross-sectional area A. It is to be placed into a circui xdngl6bf e k4x6atb3 rlf cr(1il10)-t, but 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 o92uu 2hp hoihs85 e.qmf the same material. Wire II has twice the diameter and twice the length of I. If I has re o5qhu2i s8.hpmue 2h9sistance 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 diametenfpg6il,6g5,.nuywi6 cnc ,xr and half the length of wire X. If wire X has a resistance of R then wire Y would hacu,6,gng. l yn5 6w6xfic p,nive 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 radius r. This piece of materi 1d an36jl x:0oavlpd0* rev,zal is then drawn so that it is a cylinderj1lad *z6,dp3aev0 nov0 rx:l with new 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 Thom,ap zyl+ (gc/oas Edison wants to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be /gly o+,(pzca 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 cylindrical resistors are made of the same material. The lejr; 0l(sb*pdr. b- nnength and radius of each resist(*; 0jsrbndpl-.en r bor 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 inei 4sgh6g/e-6+;y nei ,bt ddc-1sutk the 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 connectedhe ts+ub dycegnst ;16gke-i6,-id/4 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 resinn ;1l x34g2 ctoh, plh2grve,stance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1x;l2 tl,g1c4e ,ohn2n v3 gphr.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 right. The three bulbs 1(a a dv w-wq,w*:bc3ij, 2, and 3 - represented as resistors av,- iwqjwwc d( ab:*3in 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 k f6stl1) 0p rqgs:7pothe current in all three resistors is equal, which of the following statementsp: t7g6pf l qk0sro)1s 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 o0 rain252vmp 5ffn2hv kz1z7yf 5 identical light bulb 0h2rz nin k5ff2y52a17vzvmps 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 simpl 74s ,o0v0einysx5syz rt1xu3e circuit shown where resistors R1, R2 ny753oes1ui0s4 y txsr,z0vxand 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 g)v ;*v1hdjzi4 i5nsgconnected in series 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 oneh4g vj d;vi1n zsi5g)* 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 resistord(brgpwegtc6 7 .( g;fcd,*h u in 5 seconds once the circuit was closed? (hged(w7 6c bg*;c,gftpdur.


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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 p5ay j .zue; wf0hcxko9jcue*r 3- b(*in the following simple circuit have the same*j-(checuak p0;yzr*x93 fj 5ewou . b 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 diagram2*r +k +z.wt1wz1p dnm ucc,kn, the current through the 6.0 Ω resistor is 1.0 A. What is the power rcw2,d 1u1w c+ +.nkm*kz pztnsupply 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 seriesjx55:xkay-wyw: xol :dlmg 3: to 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 power. What is the voltage acros:jla-5o35ymxw l g:xkdw xy::s 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 h:i0 zxmet0i, parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. Whati0he: 0zm,ix t 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 m4rgr/o o(j5n )mgjt:3nd*/o n cxuns3aximum value ofr*rj3nnoom o 5/(j/)s :cxn3ntgd4g u 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 lightbulbvotatc3 9-- k)g ns+af designed to operate at 120 volt+) sgakat -ct-3o9vnfs?

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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 resistor w-r u4z./bpn othat is dissipating 36 watts of powerzprnu o4.wb-/?

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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.; qlh1.tppy-ssnv9,4a5go) s vat1h /g cv bb.” In normal use, thhc sagtv41 s pq9v5a ls.o pngv;h.)-/byb1t,e 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 could NOT be produced by a circuit gs6 tooey+6)pcontaining only three identical 6Ω resistp )66 +eoytsgoors?

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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 kdyqgk084z oxw:o,t9 three 1.0 Ω resistors. Which of the following equivalent resistances CANNOT be produced using all thre8k,go 40k 9wzqyxo:dte 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 valuesj0/ox( :kj tekw+wzdlg lp9rcp8.0o( can be connected together in different configurations. If all three resistors are used in a circuit, hl.r0 pwl8d +wet/ 09gk(oc(:oxjjpk z ow 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 resistorw:-mw5-o u;zknu1 dpu is connected to a battery, a total power P is dissipated in tuo 5k ;-dw1nwuupzm-:he 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 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 R.gzkr.+d :xpn 1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resi .xk:zg rndp.+stances 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 jsl6j yyo ed- y q9ldo.4j-ek27ev1fv-h63 zfwhen operating at 120 volts. What is the minimum amount of tiv 2 lld-jq e-d1 osyf4evh.z6jo36yey-7jf9kme 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 resis w7e1csnv bh47tor that is dissipating 36 watts of ph1w74c7n sebv ower?

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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 connected to 120 volls2( pc7.9iluee6 cg5;7mmr3az ed3)sa ld xtts. If the price of electe3lstl.depmdc9a77sl 5i (3xce2 rag 6);m u zricity 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 xuc rw5(im4: d100W lightbulb lit continuously for x i:5cr4(ud wm1 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 thr zb,uon( )wdl/ough a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the fo bu/l)od, (zwnllowing 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 aolldk(6-zy zmd+x u1q 6we9q6 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 20 ampere fuse, what is the maximum number of the computers can be operating at l6l1yqmz+9x6q(deduz k w-6othe 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 simpl4:5vg(y8r ky qv be-hd z2am4we circuit as shown to the righ v-( 2yrm4y8gb5z4va h d:qkwet.
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 connjef 7lln(:u4jp )4o yoected to four resistors to form a simple circuit as shown tojly(4o f7euo)nlj p:4 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 battafiw ocmk86*2hq 4 to7ery, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagramh*o m qikcf48w 2at6o7 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,)l;hc* 8bgy. gi ntv9:/nh kez an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter rea )ckz. hehg9ilnn;yb/t*:g v8ds 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 ammete fr2v-tepcf*h95h 5lh r, a switch and three resistors are connec2cr5*f5 t hp v-hhe9flted as 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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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 equivalene ljk; aqv7;gvq3*x d9t resistance? Assume that al x;a kd7l3 ;qq*9vgejvl wires are ideal, the battery has 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 +jcu px* )8tv : 40lfa4p mc4.kyujdzo right with resistances .*4p4:kculm)vzj p4jto8u d0a fcyx+ $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 6w8z2qojn3 6ibzy / aoidentical resistors connected in a combination series and para6 3n8z2o6zbow a/iq jyllel 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 combiplv/n: t l9e8bso/p 8qnation series and parall 8ob/v: p9nltp q8sle/el 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 the bulbs are identical. Which bul+k3s pn07 cbmh6dl u;0x 5y-v-zvivxm b will be the b;svb-u k63d vz+c7my hm0i pl5xv0 -xnrightest?


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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 resistors ar nrn u489ya9q0 ;edmpqe connected as shown. With the switch open as shownn4n9; m0u p8r qydq9ae 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 switg0igv zn7uk tba tc+1(o*e85hch and three resistors are connected as shown. With the switch open as shown in the dia1c7 *0e+i58vgtthnakz( bgo u gram 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 ammeteac24f2eoi u1v0/ /ndymcc qh:r, a switch and three resistors are connected as shown. With the switch open as shown in the diagram oq/anyuch m20v:2e4 i1f cd/cthe ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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