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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 ex b+sdirgf68q1ists 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 electricbqgi1dfs+ 6 r8 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,by g+hhly /22 qn4;pmz the_________each resistor is the2n4 ;2 y lp+bzhh/qmgy 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 the filamejofk9qlzg8eyf/. ms+ + g8s8ant to become white hot, while the larger wiresfg gfej9+las/ +so8.z 8qy8km 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 :f0g/k /- cp(gv qcotpare being replaced with LEDs. LED is the acronym for whicgopp c-(/cgvt qkf0:/h 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 l5kjgmf wxs o +a-c8e*80n;ltgraphite resistor has length L and cross-sectional area A. It is to be placed into a circuit, but it first must be cut5fksa wmo+8; *letlx 0j8-cng 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. Wire7bdiv1g 7 hr5z II has twice the diameter and twice the length of z7vhb g5rd17i 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 material but has twice,. yeti v 71maxv88cro the diameter and half the length of wiac87,overy ximvt81 . re 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 klu xqz4 1l9iwyx 0nq4mr+;d8has length L and radius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What h4 mk01l4;8nuzirqwly 9dxq +x appens 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 bri lu. 51iomo.sqvdjq 6;ghter light bulb. He decides to modify the filament. 6 oj.51.vdmsqulqio; How should the filament of 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 material. The lengt/*p7qn /xm dbo3q,co lh and radius of each resisto*/ / xqnpomod37cqb,lr 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 resii:5hijn 7w 8jwstance R, are connected to a battery in 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 connected in series to a fourth resistor.” What is the equiij jww8:5hin7 valent 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 res g z4vs 3m4eoayi+-k 8y-sn4gbistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltm gisyo84+ ymsk-aen-gv4z 43 beter 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, v/j1x , sm0unx-nda(90f;hkttj9 zqdw4l4z d 2, and 3x4tl qw4109n hm(n0z-d /fkj; us xd,tdaz9jv - 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 right. If the currni 1;wn/nuucm;l1wr a.rp:m 3ent in all three resistors is equal, which of the following statements must be truenunlnpu31 1cam i ;;m.rrw /w:?


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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 cirknhf. k6yv )-dcuit composed of 5 identical lighy-k). fk h6nvdt bulbs 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 foll/kbrnomz - tqc6atc.v77 89jj owing statements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 act6zmc jajvn o7bk8/9 -7.rtqre 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 series to xfgc)p1 6cckiok:2, v 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 one of the fol ,io1p6 xccfcg2k): kvlowing 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 c:+gezq0q- hn through the identified resistor in 5 seconds once t-0q:ghqc zn e+he 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 folln.c dw8s,kf )qowing simple circuit have the same resistance, which would dissipate the greatest pk8,) wfcsq.dnower?


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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 through the an-es9 h g tiu(0v(zi:6.0 Ω resistor is 1.0 A. What is tv(0e:h(gui 9iasn- tz he 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, R2, and R3 are connected in series to a battery.zw vo jq--0aihk3.) gi Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 6.0 W ofa0h)w3gkoi vz- q-.ji 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 connected in parallel to a bacq8)(u:td io jttery. Suppose R1 has 2V acr )qud:jo8(c itoss it, R2 = 4Ω, 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 and 120 volts. What is the maximumax 61pbz+y7u h+qhea) zkk.ce66 w:ge value of the current under these c+pcqeg7 wy6:zauex)k6 za.hb1 k + e6honditions?

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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 m a px78i r8za+v.eh3wa 60 watt lightbulb designed to operate at 120 volts3w8ze.8v+ara x7pmi h?

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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 resistmrs.dh v ji6 3y9rpfa*;q:*zbor that is dissipating 36 way3vz* irah9b:q;p d rjs* .fm6tts 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 voly1. ig6wgfo 8ot, 600 watt.” In normal useyfw go6.i og18, 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 could NOT be produced by a circuik/al0pkgr +;3z el f4+pf+aqct containing only three l+ +gc/zfpk;4f q0rpk+3aa l eidentical 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 resistors. Which of the following equivalent1 wi3e ;srx+3rvi k3 xtujw6+k resistances CANNOT be produced using all three rer3+3isx i6r3 ;x1 wwjv etk+uksistors?

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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 beu (zrv9d b/eq2mgr*2j connected together in different configurations. If all three resistors are used in a circuit, how many different values of total resistance can be pr (r9d 2u2ebj/q*vrm zgoduced?

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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 connectedbxf 3sb,g h/-p to a battery, a total power P is dissipated in the circuit. Howgfb-, b /3pxsh 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 a .c/hc8 ey8n +ob1ymfvjh+1fond R2, are connected in parallel, the equivalent resistance of the combinationh+ fb1/en.o1jy+h8cf8c vy mo is 5Ω . Which of 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 such that it has a resista 6pqs- vwf/lr*nce of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warm 0slw* fv/6rq-p.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 thahnk / b m/k0,7v7tjzxft is dissipating 36 watts of power?mfvz0k/n7,j kb7x t/h

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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 as v4l d f 90mp. gtny-as4e7dg:./7eyhdnkri3mperes of current when connected to 120 volts. If the price of electricity islngdn..p sdih4mk- e/tv ys 3f9r 40d77 ayge: $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/dt, pn j,*gyy9p)yl3pd /a6x qqoam8 much would it cost to keep a 100W lightbulb lit continuously for 1 year at a q ayty3,ponq,xd/ )y8d6 palmjp*9/grate 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 t h u16wqrvt56 z 4.mycjc)wdu6hrough a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices buzw r1qut6m6c)jc46 yhd wv.5est 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 como. nw.3wlr 0jue7re3y puter rated at 500 watts in a 120 V circuit. If all comp30y. ujr wrew7 lon.3euters are plugged 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 i 33 gzhd*pl8,qo- o s/ovym7euu2 auh8s connected to four resistors to form a simple circuit as showu/8sh83 a 2vm37-* oguzyqlo ,pheudon 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 form a simple j4 3(fmglbab au:r52r circuit as shown to th j:mabr25rfu4(b3lg ae 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 4pmiccklpp-:-o-7boi8 q ;, meaao6l and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amper-:am ol,empb8 ia4i-cp-c ookqpl7;6 es.
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 resisfoyoc kxjeexk7 z62t;5*sp -00z gmu: tors are connected as shown. With the switch open as shown in the diagram the ammeter readsg 0 -fjkee6:7ts5o 0 *2 ;cuoxzzmpyxk 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 axgpkb1/awn y* z.. omt8c.t,w wu/ur* mmeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram ty.* t/bcwnt ..o kzp gm,*uraux w8w1/he 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 equivalent r.kx7dx4)*pib8q 2y+1 ( chjwgbnjq-)qf gg dhesistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical x+1 q *8cdg xjyn phg2)kq()b fjighq.7dw4-b 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 resist 7 * x;e6afury3mz:s0ges tqc9ance of the circuit shown to the right with resistancfx0ae:rs ym;9gu3s6t7e* qz ces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 conbai r:f a3vt*(nected in a combination series and parallel circuit to a voltage source. t abfiv3a(*:r
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 combcxjz .r ognb+ .)vmc5-ination serv) jzxcg 5nco-.br .m+ies 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 tct1x + vw4p-z /ydv3nxws 5pn9he bulbs are identical. Which bulb will be the briwv/p31tny4+s xzw5nvdx 9c -pghtest?


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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 ammetemv0i f;s -d2ne(j/lvnxcv, p3r, a switch and three resistors are connected as shown. With the switch open as shown in th j(;ivl-0 cmde/nv2nfpxs3v,e 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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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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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal ammet;0tnw8ra y.h ker, a switch and three resistors are connected asta;hk .8nry0w 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 sw czx*ui fqwqcsg5*065itch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperesq5gw u 5i*cx0*fqz6s c.
When the switch is closed, what would be the current in the circuit?


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