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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 2od4u akrcq0-sb uel-enj :u 1yiw(-2current exists in the metal resistor connected to the battery. Which one of the following choices best describes the4jcn 2s u0ei1oq--rdau:kl-(ye2u b w direction of electron flow through 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 resistors are conne ;cf4/u;y:su mmyleg- vstht*j(ee-) cted in parallel, the_________each resistor is t/;eelcg);-suy hm4 f* -j(ysut m:te vhe 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 fy f fhp:9-a)4)vjvdf8rsjl6dilament to become white hot, while the larger wires connected to the lightbulb remain much cooler. This happens bec) jrv98l)-:faj f4dspf v6h ydause

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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 LEDh uv r360gr92 coznil,u+r z+ps. LED is the ac rz+0cri9n2 uzr+u,6vop3lhgronym 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 ani dkp*n)n2 )gofl mq*4*s yx.hd cross-sectional area A. It is 4nklxi )fgp** *omy q)hsd2.n 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 are made of the same material. Wire II has twice theo2np4v,s 86r3 aba)rzm*thz o m;n*uq diameter and twice the length of I. If I has rpo*r;8r 3nbs oah2* ,ut )vzqnaz46mm esistance 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 matekng , xw,tyy j6j1 dv66qcyxban2 0t-1rial but has twice the diameter and half the length 1wyxdy, ,tj v -6n6g01cxbj2a6nykqtof wire 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 7yyq28o1 j hy;/gtwqmvv u:x;has length L and radius r. This piece of material is then drawn so ;jhyv/qxy871; tqo ymg 2:uwv that it is a cylinder 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 wantqv(lx1g- mpb4 s to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modifie1p-(v4bm q lgxd 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 8po2a jiahs 3; uqz+e;resistors are made of the same material. The length and radius of each 8;azjh3+u epi;q 2sa oresistor 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 eqvn- nxl6 j+oby:)i ;:lg bl4to a battery in the following way: “Two resistors are connected in series. This combination of two:)ebxly;-nq v :gio+nbl6 j4l 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 resistancecmo9rb p:5ve- abz18 s 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: c8 v r15o9pzbbsam-e:


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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 circdct :9mm, qxjo82p gwx4;p z9u+eb)hj 33hm ghuit shown to the right. The three bulbs 1, 2, and 3 - represented as resistors j9 z:mggtw2b3pmxj); ,8pqd9mh u h4cxh+ oe3in 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 au o6 42ime3b/w 8nkgocurrent in all three resistors is equal, whieawou3m48 b6go/2k inch of the following 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 represents a simple electric circuit7vmtoa 2c/ q*j,cutk4 composed of 5 identical light bulbs an t7ov, t4*ju2qacmk/cd 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 fol 3s5 tj*rj2 feu-yv)wulowing statements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equal resi)yvutrs3j j5fw *eu2- stances?


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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 5n3 vry-gw,g - gr 9u2z2ytnanX 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 onr9y2tn r5au-gn wyzv-gg,32ne 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 trv 2onid 1,nz4rdf )2chrough the identified resistor in 5 seconds once the circuit was clozv2r, 24cdrf1 ndino) sed?


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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 havpe*;tmc if6a- e the same resip6i-* m;etcafstance, 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 c: ;hjoth 4zv *i)qfue(urrent through the 6.0 Ω resistor is 1.0 A. What is the power supply voltage Vhjfq;e4 vht)i(*:zuo ?


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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, R nmh3pt 4l48nsyb :j+h2, and R3 are connected in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance phntym:s4+83hnl4 jb of 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 resistors R1, R2 andR3 are connected in pa +q0*/)fnlvbb 6z-ow tpb6fa um5 k5uwrallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and66pwq-/z5an+ outb0wvb lb5*) uffkm 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 r;fva 4ca08.ta76wwb 2pf*m9 kvrhran-o rx+volts. What is the maximum value of the current under these condiwnmf2;vt x60rr+rk8a v.h4pf a -a9ra obw *c7tions?

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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 lightbu fbs o6 57-)ofvnrlv y6q5;vpo1rov h*lb designed to operate at 120 7fvfv o6h5b) 1vvqr l;r*spo y6-n5oovolts?

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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 fl hkve78jb+2ph t02zms ct-dp5ows through a 4 ohm resistor that is dissipating 36 wat h2d t +8bm2ejc sz0vpt75k-hpts 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 c3jwt p o9+3 gsx9sweecsv4o 10lothes is marked "120 volt, 600 watt.” In normal use, the09j eo3xp1seg o4scw9 t+3vs w 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 kx7(bkp +1s cc+torw(,b ,pt nresistances could NOT be produced by a circuit containing only three identicx+1 7,c (ktps(bon tcwkr+bp,al 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 msb* w-.hzd9* nrdix:equivalent resistances CANNOT be produced usz9nx*bdw-:*rs d. h miing 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 cadlt p,:2ya7 din be connected together in different configurations. If all three resistors are used in a cir ,lt py:7a2ddicuit, 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 diss vyfy l6hqq i/ 1ekfv)9zk1t;+ipated in the circuit. How much total power is dissipated in a circuit if n identical r1 9yzv fvklt6)+1 yqf /qi;ekhesistors 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 connected in tlum*5 0kay is6h6iod*sbf+j5e )e ,yparallel, the equivalent resistance of the combination is 5Ω . Which of the following statements abos yiijea,m5yu e+o d) bf6*5* kstl6h0ut 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 resistance of 12ld6:axg 7 hby bmaxe8*as-(e8Ω when operating at 120 volts. What is the minimum amount of time thatxad-x6 ea8 8eh( bb7a:lym s*g 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 curr8:ofzdhz j4z zo /a3y0ent flows through a 4 ohm resistor that is dissipating 36 watts ofz j/ozdaf04o8 zy:3zh 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 connected t 8w xbfsbi4u-u3 cf9;uo 120 volts. swf c-uu3ub;8 xib f94If the 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 bp6gets d79 2g7udywc x5c*ug- g j7l*much would it cost to keep a 100W lightbulb lit continuously for 1 yea7u e62*-gdcyxd5pslggb jc7u* t7g9 wr 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 th1+ b,ls;(8m qpbhse b42z qfjcrough a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the fo behblmc4sq 8zqb,2;jps1f ( +llowing 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 watt yzgju.7sao7cx2uzj3 .ro)v/ 7n x1nvs 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 sametime?) x7vzg. 3r2.j7j1u/ nsvaony oc7z ux

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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 is5u6w h jl-kr2 2ills9a connected to four resistors to form a simple circuit as shown to the right.9uri- lslj6hk 2w5al 2
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 resir ete,2xqm8h lk0 d1+a/kt9utstors to form a simple circuit as showkue8,k thtq/9l0 erdxm1+a t 2n 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 ammetelmbivxv mc j ...l(6ah(h rj-8z:d7 ohr, a switch and three resistors are connected as shown. With the switch open as shd l bx:(j6 78lc-r(j. zomhamv.h i.vhown 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 sdldr ,ihi7q1 7witch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampe,ri7 hd7ldi1 qres.
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 ammeter0 w3q.6od7sfyc2hcx :bp6z :mx/s maj, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reama0663s yps/bx7j:: mdfzc 2.cohxwqds 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 resistanc he9:6guzw o6ie? Assume that all wires are ideal, to:6gi69wzhu ehe battery has no internal 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 resistance of the circuit shown to tyll4i l0s m8r:he right with res:srl08ym l l4iistances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 connected ,i b0zqr e:ebmtw*+o2in a combination seriewbri2,mb0 e:tq * oze+s and 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 bel9-fny jw7nts sl,x5 w4ow shows five identical resistors connected in a combination series and pa7w4xs9 s5t w nlnfj-y,rallel 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 circy k+r:0ubyr3rd.q0ibpu : q:g 4er.reuit diagram, all of the bulbs are identical. Which bulb will be the brightest?rd:qr e:0biy4.g3y 0pb.r e+uq:k ur r


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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 ideal2k ch ujd8ug(v6-f8k h ammeter, a switch and three resistors are connected as shown. With the switch open afhu d(88uk- 2gvk 6cjhs 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?


参考答案:    
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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 re.ut 6 w9e/+bgnn lpewuovq,+9 sistors are connected as shown. With the switch open as shown in the diagram the.g9uvu o/w9nen te p +6b,wql+ 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 idea gtf c3p,.eqi-ayb yy472v vl6l ammeter, a switch and three resistors are connected as shown. With the switch open as shown i36v2f ecyi7- ,vg .ptl 4qyyabn 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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  • 姓名:游客(未登录)
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    总分:50分 及格:30分 时间:不限时
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