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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 trte94 kgkb6t:3ddnz1 he 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 field through the kz1:6d4 ngkbte d3r9tinterior 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 resisto; b e;t(:j(h.fkray udrs are connected in parallel, the_________each resis ubh;y.dr(:tef( k;ajtor 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 thj (( 4yck3.unkr 6hynv bq+v8nin filament wire of a lightbulb causes the filament to become nvyvh+ bu(n c.n(y3k8j46kr qwhite hot, 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 ajno 75ri2,zupm 5)m dfhb j9v3re being replaced with LEDs. LED is the acronym for which one of the following chorjp 52uzjf5, onmd37ivh9 m b)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 and cross-sectqm(0r be 1gp+99k1hn*yin vc: ahfn+xional area A. Ig(f1e9:xqb vk0m+ynn9+hc*hr1 pnai t is to be placed into a circuit, 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 are0dj7h5jug a;5 7a uqua made of the same material. Wire II has twice the diameter and twice the length of I. If I has resistan; jd7 5a 7ahuug5qa0ujce 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 tw(nxo2 jvew38de8n0 nh ice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y woul 02 8nhdx3 (ewj8nnevod 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. This piece of matjok :7/6h/bsen,qcf-ey) mff erial is then drawn so that it is a cylinder with new lengtq6 sb c/f ,7 -m)ofyjhenkfe:/h 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 brighter light bulb. He deciq : trga0l-px-des to modify thq:a0rl gt x--pe filament. 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 lrs1o+tz74e k/ta5uv v6x yh4 tength and radius of /7sv+o 44hte xrzt ky5 avtu16each 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, are connected to atl ;ubn-zh qx.ss/x (3 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 thresq-b(l;s 3zxthxn /.ue 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 interna8;y hjx:p vas8 ai8hs3l resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter reading is most nearly: phs a8v:8;s8yhai xj 3


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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 gzs:io*bb 8y-egrsp:k b cks;l,1, ;q1, 2, and 3 - represented as resistors in t*r;o sz sq8ciypkgs;1kb ge::l- , ,bbhe 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 cir1 o8,wudy o 3e8dwsp/zcuit at the right. If the current in all three resistors is equal, which of the following statements must be trowu8w3p,d1z8d soy/ eue?


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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 composeszqs6 ft3 c6 nh35t6gcd of 5 identical li5t3h 3q6ncsz sf6gtc 6ght 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 fonn *6j8h*fzsf hc 76ognuet-, llowing statements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are 7,nt6hnegh**nczj68 s ffu-o 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 i:7tma u/4cajq /5hbuun 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 onj/b tm/5q: 7c 4auuahue 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 f/qc ybmd q9zh( u:jvs.+l.o* through the identified resistor in 5 lyh(f os/qd+*b q:.c9jz um.v seconds once 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 followzy.rn0nohvo mb 021t (ing simple circuit have the same resistance0 2o zb0vhn1nm.t(yo r, 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 x)p1jrwxlch(zw,q) ( circuit diagram, the current through the 6.0 Ω resistor is 1.()cxw)rwzx l (,h1pj q0 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 R1, R2, and R3 are connected in series to a batte wd2/p8r e /(fmx,sponry. Suppose R1 carries a current of 2.0 A, R2 has a resistance 2mdwf(/p n/pe 8ors,xof 3.0Ω, and R3 dissipates 6.0 W of 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 rv-zq *72s 03b m 6qsrxd dkl- acrlonj.o+d-.zesistors R1, R2 andR3 are connected in parallel to a battery. Supm -z.*cldrdnk3a+j rqv.2q -o7loz0s-x b sd6pose R1 has 2V across 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 ran1 vpzjerj c91rn;v .1ted 1200 watts and 120 volts. What is the maximum value of the current underje nj9vr1znp11c; .v r 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 designed to operate at r /65)ijtdnn9+yh5 cu ho-kpv120 v 6 ki/+v)c5-yu5dojtnhhp nr9olts?

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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 flt,h 0ppkq hm)afeo8,(ows through a 4 ohm resistor that is dissipating 36 watta8p(q,op,)mkt hfh 0es 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 weu5 btb/)g x0pbo q8+watt.” In normal use, the ub58o +wb/qxt0 p)egbcurrent 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 produc5qd8fx9:pzq ked by a circuit containing only three identic8 5qz xpd9kq:fal 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 givenp:d/: x:g:e bu a5mzcd three 1.0 Ω resistors. Which of the following equivalent resistances CANNOT be produced udc xm :::/uad5g:bp zesing 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 resistorrvfo;:/7kcnf nin:-;fu- qa n gc bcu8r-;p5is of different values can be connected together in different config -n 8:n qfficofruc;k--:; rn7 av 5i;ngu/pcburations. If all three resistors 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 connected to a battery, a total power P is d-)tf hberqt(+al 0g p: bq0c3vissipated in the circuit. How much total power is dissivfq: aeb)c00b g3+ lrthp(tq -pated 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 anek l-b- 50talrd R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resistanckbl5ae- tl -0res 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 res. +l ki bnis f5kfubu;*.49jbyistance 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 fs jy u..4ibfku bk i;l+b9*f5nrom $15^{\circ}C$ 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 l3n7 82ckbuf61 h albathat is dissipating 36 watts of powea c6 7812hlblfuk3b nar?

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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 irhle /k-(;sk .gln2,at+lsf120 volts. If -lra2 ek( +/slkgis ; ,h.nlftthe 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 t jq:2+xll fsa*o keep a 100W lightbulb lit continuously for 1 yeq+s:ll*j x2a far 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 through a lightbulb results in a power of nx hd82by9jc:.,tk *hlb :2 lb)vdk8ad ric 0h24.0 W associated with the bulb. Which one of the following.: ady vjlclk8bi rcn2*9d2h8h0x b t hk)d,:b 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 rated at 500 watts in axep:(. qhu 6hk 120 V circuit. If all computers are plugg e(kh ph:uq.6xed 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 is connected to four resistors toydrbf3-x/rt0 form a simple circuit as sb3trxr/fy 0-d hown 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 f niutg/x29 l;j(e2 (nv neacp4orm a simple circuit as s/29ugn(ni(ee2vlaj4xn p; tc hown to 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 battery, an ideal ammeter, a switch and three resistol8jedzn m o8.;rs are connected as shown. With td8ljnmeo; z .8he 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,p7 ma:wx9as1,q0b mb 1pe wzu3 an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the buxa mq,e0sw 3bw pz:17 1ma9pdiagram 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 i z,f1hjxhp(*p deal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads hpx,zfpj h1( *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 resistance /.bj8n t,uwj i/.il)a qdfx0e*op b7s? Assume that all wires are ideal, the battery has no internal resistance, )o / iq*xp. t n,awb07lejjf. b/uid8s 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 sh) id:lii3b6 p8c t8yvoown to the right with resistance6)i8 t y8:clbp3 vdoiis $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 beloo,2g r f1ji/y5y5cowz w shows five identical resistors connected in a combination series and parallel circuit to a voltage sour2og5jw yi,czy /f o15rce.
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 fivqgb1 wzi/el /d0v8in i 1iue,2e identical resistors connected in a combination serw 2e0v/ di/iinlu,g18z q1ebiies 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 0y u 4tb 34mu2moo1yzbbulbs are identical. Which bulb will be the b20bubotyy 41mzu43 morightest?


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本习题练习题目来源于题库网 (https://tiku.one)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
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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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 an (wdfwdii,:a(3rgpb5d three resistors are conne5(w:br (w3 adfidig,pcted as 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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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 three resistors are con-qnpi** lr5 henected as shown. With the switch open as shown in the diagram thlr-ni eqh5p**e 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 three resi1o e q l:w+5bpho/y ;dd1d2rovstors are connected as shown. With the switch open as shown in the diagram the ammeter reapeq2 odr:ywbvo/;o11l+dh 5dds 2.0 amperes.
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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