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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 resn 0pl7tj3u*iy/vhfg5(u w9 pfistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the resistor and the t*j7n3py i f09wgfhlup/(5 uvdirection 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 resistorsyoqo*k5h );i zz r8p,p are connected in parallel, the_________each resisto)5z ;oo8qz h r*kppy,ir 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 tedke(m;- ( pkof a lightbulb causes the filament to become white hot, while the larger wires connected to th(mde kek-t( ;pe 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. Lvcd/0b.n(ph.3 b6jw nie2k z*u 5vbsvED is the acronym for wh(w0 vp2/bci.*zneb.bnsd6ku j vhv53 ich 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-sectia -g. ,buo3rlz6dmgg*onal area A. It is to be placed into a circuit, but it first mggo-6 z r 3.albm,gu*dust 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 materig4y ozwk.l ++am 8c1ooal. Wire II has twice the diameter and twice the length of I. If I has resistance R, IIz+omoc14+laky 8 go w. 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 diakx1t o0 :mcc f0; t8cop6y*esometer and half the length of wire X. If wire X has a resistance of R then wire Y would have a resistpsc *ytc86eo:f1 c0 0mt ox;okance 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 radr+x7d jq48 3a,g oclqdivbwx)+q+wb: ius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of thisqc+ qo+di,baw4+3jv qgx 7:bwrd)x8 l 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 brighter light bulb. He decideshnws cnc2n0*u8z-a+j iy*z5ab01w uf to modify the filament. How should the filament o yuj 0icw5znnb n*wacash-0u+f 182z *f 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 cylindrical resistors are made of the same mat0 vl6kfz /q mzh3o s2sqcni1.(erial. The length and radius of eacf0 sozzni/ (v2l.1qmh6q3s kch 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,be;e,mbe :a n6nk*a j0 are connected to a battery in the following way: “Two resin0mb a e:ban*6 ,;ejekstors 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 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 azhr 6xh(pko4b 22q )msccompanying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The vo)42 osk hxb(z ph2qr6mltmeter 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 circujtlii5pd9y;q pnj1c tmy0 ++4 it shown to the right. The three bulbs 1, 2, and 3 +y+p9 mci;ty 14n0 dj5qjpilt- represented 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 simple electrical circuit at the ri):pd)ahjc a yo83wc ld-tbd q23ho ;qf5h s5.dght. If the current in all three resistors is equal, which of the following statements )fy-cp.h 2abdtl:3 q58ocddw) ;dh5o3a qhj smust 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 esq:+-scxqfhcj wl ,9h:: 8f yof 5 identical light bulbs and 2 flashlight :j-c+hsw f,e: q98hcfylx: s qcells. 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 folaszns 5lh.)d+n 3cjg 1lowing statements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equal resista3 .ndnzcah5lgj ) ss1+nces?


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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 e,sq/tdh a- nu lg.4. sed+oie0 jm(eg)l -mf8battery. Bulb X is brighter than bulb Y. Assumtef0.4 + el-dji d qmg-naums,h e)oslg8./e(e 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 wil)nz)idr/j7env hp4n d6(hj (h l pass through the identified resistor in 5 seconds once jjrd7(n4 nhz(h/) iven) hd6p 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 n8 lt.v tw*ge( resistors in the following simple circuit have the same resis wl*n.(8 vtetgtance, 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, the current thro cob+vf8u+b*w* uh 0ikugh the 6.0 Ω resi0v8*ucb w+ofk+iu b*hstor is 1.0 A. What 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 gg qrp )d m,1md.ngl07R1, R2, and R3 are connected in series 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 ofgrdmg p.)d7q0lg1, nm 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 are conj 8d8uvjs .8zinected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the current in Rid j8v.zu j8s83?

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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 maxi4 d i up5 i+/,,+ mu(aqmy7oroikp7wojmum valuiiuo ao4wo7, upjmi+k qy(,r/d7m5 +pe 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 of a rgbsdm97xj2)amf+t nm o o:/ 960 watt lightbulb designed to operate at 120 volts?f7sbm t29m +xag / ro):mjodn9

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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 u0r w:gftq yc8 g 0bby+z,.9xpresistor that is dissipating 36 watts of powez9 typc+ fqw ygx:gru.0,b80br?

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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 ma e;fsgnp/otjj(7 f 0.urked "120 volt, 600 watt.” In normal use, the current 7; (pn0./ jgfjueto sfin 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 Nj nyjg/k qxpz 1(p++c*OT be produced by a circuit containing only three identical 6Ω resistogpcpj/( k+ z1q+ xyjn*rs?

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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 /wuw5odl/g. , nqj/uk resistanceso/// , 5wj g.lkuwdqnu CANNOT be produced 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 togetqm:rgpk)o* njc *nj s0s2hy72 her in different configurations. If all three resistors are used in a circuit, how many different values of total resistance can by c)jssj o*hnq:72n 0gp rk2m*e 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 connecteyznkqjv() z)n9zj b-j4 m+uf1d 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 n k94(uzf1mb)yz)+ v-jjjqn z 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 resitpp5 kw bgqh( +hs9,-c 6na+tqstance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resisk+t h cq+p(h qtabsw569, gp-ntances 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 desmgg2mt pkw37 p r6bo(nlly hy79)7y1digned such that it has a resistance of 12Ω when operating at 12dwym m )13 7y rn6tg9gy7bl7o2khp p(l0 volts. What 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 flox68 znj38;j. alkcza gws through a 4 ohm resistor that is dissipating 36 watts oxz6j k.gaalczjn8;83 f 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 when connectxzw v8m pxjmf e*yy:06608xfied to 120 volts. If the mxy*fx60jp eyv6zx i8m8fw0: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 lightq03l vnlwz (nz4) 59qvvu. vskbulb lit continuously for 1 year at (l9z0wv5kq vu3 )v.lqs nn4z va 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 currentce l:jj8k :kt) (c-hew of 4.00 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choicehe:8-ctwlk k : e)cjj(s 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)( 8;9sz mmx(kkxe)9q gy,mok zd ns(q 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 ( knmmezgzksqo9,d)q s( 8m9y( ) xx;knumber 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 formuoa) + 6btuc )gl kj1;p5ddc(q a simple circuit as shown to the ruo)pk6ld(td gu+qja; c1 5) cbight.
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 form a simple cirw;4w/.jgp6.iv nu fhf8 a gup-cuit as shown to the ri/w g pf.pwua4.f 6i hj8gvun-;ght.
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 swa/s- saq7b8lyaoau2m2 b,4icitch and three resistors are connected as s2mac as4lu2 qy7b- ia,abo/8shown. 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 switchi z z(k2aydk() and three resistors are connected as shown. With the switch open a kai2)z(zyk( ds 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 are cou *e e8m9lk4whnnected as shown. With the switch open as shown in the diagram th*4ke h9lem u8we 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 tcov c983wsgm *he equivalent resistance? Assume that all wires are ideal, the battery has no internal resistan9g c smvwc*o38ce, 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 s8-dqf6 rf lm:khown to the right with resistfqk f6-8dr:m lances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 resistqug eylx32x /o s4p)6dors connected in a combination series ax 4ly/x62 puqgde)s 3ond 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 resistoyw) xex.5 yjo4 ho7)tklme 2:drs connected in a combination sj x47.eyk)o mxh etw:yo )dl25eries and 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 the bulbs are identical. Which bunkbitu * hz6v/u0rj7rh9 o:f)lb wk6 n0 fu t*7o/ v):juhirhb9rzill 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 w0n s3pj4ywi) 0:nbmwb xr6.a, k y4vvthree resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads wa s0 640jvrxw y) b.y,:mwvinn34bpk2.0 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, a9 f(: qb1c eh6oi8rchl switch and three resistors are connc1bo:q6h (f8 lhice9 rected 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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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 threu 7aa 4rk;k3 7wdzm-rve resistors are connected as shown. With the 4; km vkdrwz77r3-aauswitch 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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