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习题练习：.Resistor.
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 作者: admin  发布日期: 2024-08-22 15:34    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 oyd6*xz *bnv7k0 /ocvc;g2 tv metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow througo 0o*7;dbv ky2tn x*cc/gv6v zh 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 resi ai/+sho85 w(e dqfpc.stors are connected in parallel, the_________each resistor is tqi8 ac(/h. dospwe+5f he 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 w( * zhsf*c cqpvo+q iyd/j05*the thin filament wire of a lightbulb causes the filament to become white hot, wh*j0zy/*qv opsfw i+(q c5hcd *ile 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 be;rtjlo bt+s:i sjg mb12k8i *0ing replaced with LEDs. LED is the a;l tj2o1g:b kbsirt+*0m 8ijscronym for which 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-sectional are 6(wt1 lhc0wkha A. It is to be placed into a circukwhlt0(c 1 w6hit, 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 of the same material. Wire II has twi1o:t9/q rj bufb)uf5uce the diameter and twice the length of I. If I huq):1 /5j fufbtr ob9uas 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 has* hdh*l ak kmcv4. fk+jj*-e*ev30try twice the diameter and half the length of wireev-jhmrk0* h ctyla.3dj+ 4* ek* k*vf X. If wire X has a resistance of R then wire Y would have 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 xv7h3m fd(s9n. This piece of material is then drawn so that it is a cylinder7mhx3n s9 d(vf 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 Thomas Edison wants to make a brigh 4 616etkk:dn qauw;qtter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make te qt6dw 4:kak;6tunq 1he 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 resist3 *jvpcq/ 3ytqors are made of the same material. The length and radius of each resisto y33tqc/ p*qvjr 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 resistan8uqq w if96.0zsxphy gu3eev;k 2;2soce R, are connected to a battery in the following way: “Two resistors are connected in series.f.;pqew xv s28ghse 26uzioq 0y3u9 k; 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 accompanying circuit diagram has internal res9 j:vlsbs/55scq o y1sistance 10.0 kW and the ammeter scvjo s5qy l1/:59 bsshas 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 cu3- -6e,vqg 1yndwo piircuit shown to the right. The three bulbs 1, 2, and 3 - represented as resistors ind1n,o6g- pivuq we3-y 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 az(x/l2*km cn.kp 2lybt the right. If the current in all three resistors is equal, which of the foll2pn xz k/cb ylkm.(2*lowing 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 represent/d(a2phks / uls a simple electric circuit composed of 5 identical light bulbs a ud//p2lkhs( 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 crib5)o az8 s8xmss97joncerning the simple circuit shown where resistors R1, R2 and R3 are have eqjrs8smai 9)z7bos 58xual 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 battery. Bulb X is93xr)(vcd 9vo8rz pbb-v0rd q 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 one of the following 8vv9q-b3b oprrc0)x (9 rdzvdchoices 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 coulom pp.ddjf js,4 +ux7.debh5,zabs will pass through the identified resistor in 5 seconds once theddjad pu,5p ,z.sf+h47. bjex 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 bg l6 .,s yi7qjbfhv +)ulrl86riv2u. following simple circuit have the same resistance, wjv8lufgr6ll,+i .ur sb iyv2bq)h76 .hich 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 9ntj s b/6ex4chnr06 pthrough the 6.0 Ω resistor is 1.0 A. What is t6t4x9 ns bhjnp60/er che 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 resistoa(mwyqwic 0f ) zg:ortf +b 6e1xt,;g9rs R1, 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 of power. What is tfyqw it g z ;efrm6)1ao9(xg,tw :c0+bhe 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 connected in parallel to a ba15vb gd5au -/szpo9 rittery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the current rgubsv9zo- /a1 5idp5in 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 vo1g,rm hldb9 ogjp 7(.qlts. What is the maximum value of the curro,(h1gd. g pqljrb7 9ment 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 lightbulb designebd0c1) vzae9-+b xwaf 4ushu-d to operate at 120 vol 1a4 9su w v+dxbf-ube)ah0zc-ts?

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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 t(cq, hg+ ;r td. qyul )j)l*ajzl:-gxohat is dissipating 36 watts of)lc u qldq;r:yjx+,ht a* zl)ggo.(-j 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 isnvd.eib/8oiro 5h-8 ,9eawj d marked "120 volt, 600 watt.” In normal use, the current in 5n-h ei, obe/9d8. ao8w vdrijit 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 rm(j -vwjzh3m- qj1sox(hn7b .esistances could NOT be produced by a circuit containing on jx1b3q(.h mv- zs(7j-ojnhmwly three identical 6Ω 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 res h3dc6ree4.rmen,g i3t- puf )istors. Which of the following equivalent resistances CANNOT be produced uset pd 4g-,fei.m 6rcn uh)e3r3ing 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 together in diff2 2jf ) cqn7sbficxgn9nk4* e0erent configurations. If all three resistors are used in a circuit, how n* bjgk27)qx 2c4n9 effcisn0 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 connected to a battery, 1wbc +5s2*jsa kz yadk-em)hy+xb, i:a total power P is dissipatedh w*yz5- sbkya+dbcs)k m+,i:e2a 1xj 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 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 connfj)46jk ;m0d5j3o qx)pbd wzd ected in parallel, the equivalent resistance of the combination is 5Ω . Which ofk03m4 jowxj6)qpfd j5z;bd )d 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 +2sc4k u1ss a3o4kq wksuch that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 kg of water fro23ko 1uss 4kcw4k +sqam $15^{\circ}C$ 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 1-17rcz vd-5nmccywul5fg4k ohm resistor that is dissipating 36 watts of - yfkmu-14lrgc5d5 1 c cz7vwnpower?

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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 13rgl;-m /cgkvy+ w-cwi. md( u/ amperes of current when connected to 120 volts. If the price+m /m ;(ir uwc-.vgc-/ wkydlg 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 f1g)*i3 blxnm to keep a 100W lightbulb lit continuously for 1 year at a rmn )g1lf*xbi 3ate 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 throu3p,aj:it: snwa+ nq:74fpjfa gh a lightbulb results in a power of 24pansiwf7n4:+ j 3jaqf,p: :at .0 W associated with 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 ratebca0 pmx8d-8.xf tjqyxf ,(f/d at 500 watts in a 120 V circuit. If all computers are plugged infxfx.8qjpdc,yam-f0b8t / (x to 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 connenfsjil5n68 q, cted to four resistors to form a simple circuit as sho 6fn8js il5,qnwn 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;pw4gf/ ebp bq3:1yt n 4uafo j5n4vw- resistors to form a simple circuit as shown to the ryg qfnbn44p3-o 5af4vtwp :1ujbew;/ ight.
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 andjy5uu 8u17en9sw4 iiz three resistors are connected as shown. With the 84nz9 e7yu sui51jwuiswitch 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 three re:tw 80r 3 ojjvok;fsn+sistors are connected as +j0jt rn3;oksfo8 :vwshown. 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 ideasr:e7c/w+tci4;g d bqmcw 3. fl ammeter, a switch and three resistors are connected.ce/+;gcbw4q:3 ti wd7rfmsc 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 -zdpt6wa ns891fig+u n bt b53is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three 1inatp8f 9bzd+65 -gb s 3twunresistors 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 h:+xji51pg cv right with resistaijvc5: + h1pxgnces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 fbx z+ g3bkeu*7ive identical resistors connected in a combination series and parallel circuit to a v 7kb*ez+3g uxboltage 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 combinac5jfse4x(b(r r 7a;h , *snb0. wnvzoztion series and parallel circuit(vefwx,z szo7.brnh; sajb r0 c*4(n 5 to a voltage source.
Which resistor(s) have the greatest rate of energy dissipation?


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教师可以抽题组卷或一键复制本试卷，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
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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 diagrzu:zx */tcm8dam, all of the bulbs are identical. Which bulb will be the brightet*: /z8 zcmxdust?


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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, vsbz:(/lyav( + ;xxsjxqs*0fan ideal ammeter, a switch and three resistors are connected as shown. Wi ;l:s b/(svvjzqxayf(x+*xs0th 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 ammeter, a switch and 5 3 9z;gi+or6sjs zr0yshtt :hthree resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperest5r;t6s 9h+: 30osjh g rszyiz.
With the switch open, what must be the voltage supplied by the battery?


参考答案:    
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教师可以抽题组卷或一键复制本试卷，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
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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 three resi v5 ecm 7wrqnx-ji296rstors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampere7nriw cq6jme-r5 vx9 2s.
When the switch is closed, what would be the current in the circuit?


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    总分:50分 及格:30分 时间:不限时
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