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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 )ai5;qzmd4ng h ,g2aeists in the metal resistor connected to the bag;mze 5gad4 ,ani)2h qttery. 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 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 ifffu ;x ;a,pnv;adghv;j-x d: .ta84 bn parallel, the_________each resistora8v;xg4p;fa-. u: db;fhtvjn; ax f, d 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 thin hak8ncv wr7eusd r* d:,.q5;lfilament wire of a lightbulb causes the filament ;r* a,ldkwvh 7cn.e:drqs 58uto become white 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 bevg:ls1etj - /lhk fx+5ing replaced with LEDs. LED is the acronym for which one of1v5jgsle h tf/:k-lx + 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 an qq(/j/:0 -fk0jxfvgfdni, 1 5 xhssivd cross-sectional area A. It is to be placed into a circuit, but it first must be cut in half so that the new length is 1/2 L. Wh/1k0 vx/qqjvijf,dsxhgf5 :i-0sf( n at 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 5w8 mfbi f-/rpthe diaf5fb-r/m ip 8wmeter and twice the length of 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 samwq)5fg2dzk)xv-5 k qt e material but has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y would have a resistanceq2gk5 t)kw-) 5dxqf zv 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 materia; ,v5d akqwidnc -no(5l id,ci5 nnwda v;q-ko5 (s then drawn so 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 wants tr11ugly q6d wk.v v+-vs (;pqnyrz ,0ro make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb ; ,y0kpvg1-yvwlrrds+nrz.q1u6( v q 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 cylindricas3,0z lp ox1)uqjmxd)pwh*) u*2dplgl resistors are made of the same material. The length and radius of each resi1j03dg m ,zuqh)uwp p)d2*x sol*) plxstor 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 resistancek6m 7u jv:me0-4zlla q 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 equivalent resistanc zvmk ej:-4am 07qlul6e 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 diagrac iflg19r0 )kz2y csw4m has internal resistance 10.0 kW and the ammeter has i2) 1icz9g 0kfs4wcrlynternal 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 the right. The three bulbs 1, p19nozv:/6 c z/kg efg2, and 3 - rep9cep/1g z:vok/fn z 6gresented 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 af to5l*v.lt/jautz,d)qbd(-49b nnvt the right. If the current in all three resistors is equad *bvnlol j5f/,a(tvbt.4qutd ) -9znl, which 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 represu2f prlzxg 88nas:l *1ents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bulb (or buglrnz 8xfl2s:ua *p 18lbs)
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 N80 d ,0eoc gt+eq1jimlOT true concerning the simple circuit show0 ic0,g mj+8eo1leqdt n 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 to a battery. Bulb X is brsz ze yg6yeys+8; ngg/r /.*lrighter 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 followsz8;.syz+yg/6eg *rn egl/r ying 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 g1ujd twqj*-r cz5q,+/b8vy t the identified resistor in 5 seconds once the circuit was closed? rjvq1tj5* -zgb/8dwqct +, yu


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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 r2m6b*j zo2an blaj5p0 esistors in the following simple circuit have the same resistance, which would dissipate tb jl0*z2p5ajmo na6b2he 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 d5,gb:h8f-z5 yt:;m+nxviv o cg4 9tqzscuxw ,iagram, the current through the 6.0 Ω resistor is 1.0 A. What is the powgx:onuwbz 8c45tc,h+z :s-;yv5 qv mt9fxig,er 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, ans20qqtbbwx /d*m,zdp2( 9bcs d 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 the voltage acro2z xstmd(dw spbb0,/qq9 b2c*ss 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 6pzwllog58.76k i5ma i xorm3in parallel to a bati65lm 7oi3m ag5xzpok6 8.rlw tery. Suppose 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 rated 1200 watts and 120 volnf (1*bh0ymzc ts. What is the maximum value of the current under these conditi01( yfbc *mznhons?

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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 6xpa/j wo, g0.m0 watt lightbulb designed to operate at 120 vo/w opjmg,0x.alts?

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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 a9t px 35;5mgq3iuvzfpi1 1ixu*.u -av e(ppj4 ohm resistor that is dissipating 36 watts pupvx ;avf meuti5* 9z(igx1iq .puj-353a1pof 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 "a1)tnz 4 gw+ rl2:p5bdzyxp3 m120 volt, 600 watt.” In no3mbtw24 n5rz+: pl)pdg1z ayx rmal 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 res2s/eh)9kj ae6 ixz7qqistances could NOT be produced by a circuit containing only three identical2qj6k/azes ixq 9e7h) 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 hcro)t70 c q/oequivalent resistances CANNro7 o0ct)q c/hOT be produced using 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 connect;+*xrgr/jo y(.b ( tanzxf nm;ed together in different configurations. If all three resistors are used in a circuit, how many different valmn(/* rzorbtxn. j;+g yax;(fues 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 ip: pmk 27cx )b)br jxy:w7i)q+wz.fcis dissipatedcz )mxkp2wjw+x)cp bi)7: rif.q b7y: 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 connected in par/ 77d xyvrnck/nt9cdv rd25)o allel, the equivalent resistance of the combination is 5Ω . vd9dr ndkc7n2 7yt /crvox5)/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 resistance of 12w szkaut7k7 h+yj4//b e79o ywΩ when operating at 120 volts. What is z bwtkaje ys7 uy/94 o77h+/kwthe minimum amount of time that 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 throughcny4 ;w4 jima8 a 4 ohm resistor that is dissipating 36 watts of iy m;448ajnc wpower?

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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 120 voe i4qn /od(kcnu7 a6pm. 1yxy7lts. If the n c/k.udxy67paqoi( e74ynm1 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 to keep a 100W lightbulb li0)o5s(xro fi*- aowyot continuously for 1 year at a rat-)50owsay*ooir o xf (e 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 ofq4v ;3f )pat 5wso1;b5kugtin 4.00 A through a lightbulb results in a power of 24.0 W associated with the bulb. tf5;ao p 3;5wg vn41ukbqist)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 rated at 500 wre fn) :sz7. ti: kjgx:6hr)xkatts in a 120 V circuit. If all computers are plugged into a single circuit protected by :xtrn:rf:k7.hs)z ik g je)6xa 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 contq2-lk4 eu9o3fkb i8fnected to four resistors to form a simple circuit as shown -e8u9 oiqk2kbt 3ff4l 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 i(d46r73 0al7oqriqxm) sfyn -tswz86ss.eos s connected to four resistors to form a simple circuit as rsri (8loeo7smsqd .6 q)7zx4n6fsyt 03aw -sshown 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 ider lf+p-lxj,( sal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the amm ,lfxjl+ p(-sreter 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 resistord2xj,rz/13w pcpbo 4z s are connected as shown. With the switch open as shown in th/243xc 1 orzzp d,bpjwe 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 ideal ammeter, a switch and three66sqkwoaa:y r26/ rtg.s hgmyl ))qg, resistors are connected as shy6rg 6y )aa who/6sm:qg l.kqr2 t),gsown. 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 rig ezua0(vdg,q(a +do 9sht, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identic+zsdod(ag90 u aeq(,v al 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 circu)id-t2f*f fvqit shown to the right with resisfdt)fi -*2vq ftances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 r d txr-wx b:sx8j:5(qshows five identical resistors connected in a combination series and parallel circuit to a r qw:r( dtsx-j5xx:8 bvoltage 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 rx4ekr tjd+s j .0c:7nyp0ozg)esistors connected in a combination series and parallel circuit eod7x+c4 sj 0 tz.gjr)pky:0n 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 bulbs are identicsuu6 c,a4)nps al. Which bulb will be the brigapus sn,c6)u4htest?


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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 and three resisto qpr3-/vv au-nrs are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperq vp-uva3-n/ res.
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 q+u0 ipw q*gl5ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter r0+ qgqw*u5i pleads 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 resisto 8wsd 6)ud1z 51eh-wgb+ pzivgrs are connected as shown. With the pdz i)ge56s1bu hz+-dw1 8 wvgswitch 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?


参考答案:    
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
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