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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 circuiv d pb2a3ir-3y4s c2wwt shown, an electric current 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 fiy cw-sp d 32vrab423wield 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 paralle 9q3.8g u:uq.lwv weeakn mf(/gq 4zw4l, the_________each resistor is the .wzl9.: nq g3gu 4/mufeqv8wa 4e(wq ksame.

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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 through62ixs p12/ lik2v ,za:fx ulvg the thin filament wire of a lightbulb causes the filament to become w lzv f u2ik pv:21axsx26,gi/lhite 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 are being replaced with LEDs. LED is thilr1+wwcs6vm ; *2ac ue acronym for whm2iw*c 6c+a;u1wr svl 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-sectional area A. xe amn5ttz 0otd l72r6 1lk2,yIt 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 resistivi5k,t0 raodlm267zttynlxe 12 ty 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 wier4xq m fnp r8:*r mb5gk.-ou6re II are made of the same material. Wire II has twice the diameter and twice the length of I. If I has resistance R, II has r8bmqm-.e:rg4f *u5xno6 r pk 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 5eys4nr)*-wbgx z, dzthe same material but has twice the diameter and half the length of wire X. If wire X has a rdzrwe,zsxn g 45 y)*-besistance 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. This piece of mal j2 fa4o;x khp6b),qnterial is then drawn so that it is a cylinder with new length 2L. What holkfb2 6h p,a )xnjq4;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 brighter light bulb. He decidesk jw8bz/ l+w;x to modify the filament. How should the filament of a lightbulb be modified in order to make the lwb l k+zjw;8/xightbulb 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 length an:ht 1 x 1(l(n81lm):dpwxawiwbc1 ye nd radius of h1 ( w l8 xdbcpn()yw1ew1nia:t1m:xleach 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 cv pz v,pt*g.u7g,-6xs kczn4 zonnected to a battery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in parallel to a thi- n v uc*v4pgx6.pg,z tsk7,zzrd 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 i l46wacqmq qjj90r 9k.n the accompanying circuit diagram has internal resistance 10.0 kW and4c0l6rq j.k9mw9 a jqq the ammeter has 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 circuit shown to theuat 92 ,wvm7oi right. The three bulbs 1, 2, and 3 - repm ,i aw2o79tuvresented 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 current in ajo 3 7+*ner(qw;1 in6wpdfju bll three resistors is equal, which of the fol jqw+eijrf(u*6dn n3wb1p7 ;olowing 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 /yie6ff n i,j;right represents a simple electric circuit composed of 5 identicyie6;/ffijn , al light 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 following statements isb9r o/k+ h ,fgi+xnp(q NOT true concerning the simple circu+pnh9(+ , qb/xrf kgoiit shown where resistors R1, R2 and 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 connected in series .l;h+ret d8 s6iaiip *rg +t.oto a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connecte*.8arihrt6+iopse g.t l i d+;d 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 will pass through the 6:tfygel :qag*8:iw didentified resistor in 5 seconds oncwafl*6g ey 8:d:i: gqte 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 following simple circuit have t.cv wo jb dvh(9b7n s6+x:rq h;h ke/zpf+6a,bhe same resistance, which would dissipate the greatest pv:kp(bx9fh+ /ewr6 ,v7b c;n6h.o+j q bdazshower?


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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 6rz,sfm)xp6 o6 l fib73.0 Ω resistor is 1.0 A. What is the po)s7o,6zmflx i pb36rfwer 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 connectepg xzl0oqts(d wh 4).s7j3c:a d in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.3gqlzotphs a7j 0 :w(d4) scx.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 resistors R1, R2 andR3 are connd09m3 h.eacaygzyg ,;ected in parallel to a battery. Suppose R1 has 2V acrocgdae.zy0; a gmh9,y3ss 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 watt jlz1si bchbgy 7l9w( 3; bt:2m 5ztt5cdzs(,cs and 120 volts. What is the maximum value of thjwy5;sdhs z bbt2bc7:tl5 3cm gzc,9 zi 1(l(te 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 ; ih x2cbx+duvvgr/*6 a 60 watt lightbulb designed to operate at 120 vogd /+*vxu ;hx6rv c2iblts?

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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 rel o.0j6n aux62c5x vatsistor that is dissipating 36 watts of power?6avoxjtu. l02 a5c6 nx

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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 ci(4ewxqgq) f2tf 98ltlothes is marked "120 volt, 600 watt.” In normaf2i 8x9 tqlq()ftgw4el use, 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 a8ik; j0c//ua5o wo/)tvpglr w circuit containing only three iden8cijolp)r/ // 0g twuko wa5;vtical 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 elt,i2t dmktvbtk61)pc-gmwv1 4 z,9mquivalent resistances CANNOT be produced using all t2 1ikcbgtm k,w tzltpd1v6t- mm),4v 9hree 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 dib.(md-3,j) djs fjoovfferent values can be connected together in different configurations. If all three resistors are used in a circuit, how many different values of total resisbo )jj - jfv.ds3,d(motance 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 resi: f, zog5yqep;stor is connected to a battery, a total power P is dissipated in the circuit. How much total power is dissipated in a circuit i;5ez:f p ,qoygf 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 and80hd /573juf rulrxuv R2, are connected in parallel, the equivalent resistanvu8 fujd5xl/ 7 uh0r3rce of the combination 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 resistabap6 7(gyu,9z5 2mbc6wuwoet nce of 12Ω when operating at 120 volts. What is the minimum amount of time tht c g6mbza9u(wwoye6p2 7 5b,uat 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 resistor tjzy,d6lndmjd; (j + :xhat is dissipating 36 watts of pom, (l zj+jx6d ydd;:jnwer?

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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 hndm9 br+l1em8p0 yc.120 volts. If theph0nm yr 8e+m1 bcld.9 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 co j44 jl ealhccas(mo7a,),1b m7,xyew st to keep a 100W lightbulb lit continuously for 1 year at a ratjj(7aa ,hwso 7elx c,bc ml )e,4y1a4me 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 lightbo2)bmb-j g/l9 6vht nmulb results in a power of 24.0 W associated with the bulb. Which one of the following choices beghmmtnv6 l9bo 2b)/ j-st 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 comi ecjx7bl.e-6puter 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 the sametiebc-ij.e7l6 x me?

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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 isk8mkokh,9u :o connected to four resistors to form a simple circuit as shown to the ru,oko8kh: 9k might.
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 simpl n89tp,u .czh u6s)uod7nm26 s9jf qmhe circuit as shown tofhq92u chn9m pd6tmjuu,7s)nosz 8 .6 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 an xpza8n):4t (1lj .vazgt or;mmeter, a switch and three resistors are connected as shown. With the switch opg(4:n);ar.t npl j v 8azxz1toen 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 78hrxb 53q+fp2ueqw *sw4gpw resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperesue2xf *5pw8qb4pwg+q r 7hs3 w.
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, a , 0om3grfpk d;df7s;mn ideal ammeter, a switch and three resistors are connected as shown. With thp of3m;gdrk 0smd,f7; e 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 equivalen,ojt463m,j:kjt piwl-o rqd; ko wo );t resistance? Assume that all wires are ideal, the battery has no io,j;r ik3:6qwjtdp)lowot,j ;-4 o mknternal 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 resistancj;rc- zn2)ao se0e i+ie of the circuit shown to the right with resistance2)r a;oec-+s ijie0zn s $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 s(1l wde e/ s/oq55vdpehows five identical resistors connected in a combination series and parallel circuit to a voltage souos(e1 5w5 /lee/p vdqdrce.
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 show,xx8 k(z0l :19ekxcjlb ylg/zs five identical resistors connected in a combination serieskg0y /ll ,(1kb 8zzx:jxl9xec 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 b kilw659mf;+8* dfurmpsn( wyulbs are identical. Which bulb will be the brigw9;u8+nmfrd ypmkwli (f65*s htest?


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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 ideam.,2 1 bs su8.0wkwqj8rko jhcl ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the.1u8ksmw sc8bq2,j0.k ho jrw 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 c v3mkr esw.mr71n4616sd g)edj0 cvl nonnected ak g16ev mdvrss. cmw6rn0)ndj 431l7es 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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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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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 resistorsd o*sfv*1d ddnd(nw. ;uen)/w are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0d.ovdn/* 1dsww*()nf eu n;dd 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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