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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 sf-o/kbxyl6 m : 7(ob+wqywurp7u w0.mhown, 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 field through bmyolxu/7-o:.m7f( w6quk y0 pbw +wrthe 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 s8qt,f w+ h)iein parallel, the_________each resiss8hwefiq+ t) ,tor 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 filament wire of a lightbulb causes the fil)sb53h1vbw mg95xko bament to become white hot, while the larger wires connected to the lightbulb remain much cooler. Thism bb35xbo5k1vghw9 ) s 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 6 yyh+l x/np6bunll14being replaced with LEDs. LED is the ab+6 p6 /y nuy1x4nllhlcronym 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 graphitems -bi+wx2z;1)aqe0ycj0d s p resistor has length L and 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. What is the ratio of the new resistivity to the olds- 2)yp0 smj;x0dz+ ibqa1wce 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 arwa796 hy t,:dqyzl/xqc-p sr3 e made of the same material. Wire II has twice the diameter and twice the leyt 6p7 z-a:q/xwq,drs9yl3ch ngth 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 same mat pv 9axmfgas/.)0 5ubhbtc*y*vemu:*erial but has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y wou:a tm.hp0v 5 ye)bxu*/c* 9sbv *maufgld 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 re 7x6 rut4rli .:ionptj -g;f1asistor has length L and radius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What hap7jr6ta :no4.gp-r xliu;1ft ipens 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 E:jbvrt bga/phu ) q77s h/no(5dison wants to make a brighter light bulb. He decides to modify the filament. How should the filu 7n) ovth57br/(g/bsp jhq a:ament 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 mrm+r fvp;an.9/u*jw4k +l jt;fbg 1hmaterial. The length and ra.g+ am mhnp14 rftb;u*9 jflrk/wv+j;dius of each 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, eace(7wcrzi ywr 88y 2mz1h of resistance 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 equivalent1z (ze82 i y78wywmrrc 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 accompalv;j-lb kht5 mhurj ry,731 c7nying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 2h m ,trhb7llj-v75uj; ykc1 3r5.0 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 thecr0x 8i)mkx-z right. The three bulbs 1, 2, and 3 - represented as res-k8)0 mrx izcxistors 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 circui;,b;y l0:dc4qh f-mchkua3fdt at the right. If the current in all three resistors is eq3bm0h,;cl-ahq: y ;fkud4 fcd ual, 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 represents a simple electric circuit composecoxi*g ;7j+ pcyiuhx*l)es ;+d of 5 identical light bulbs and 2 fla;x;c og7 +pj+)xcyhul**ie is shlight 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 is94q7v h,-n19 nx fmf cc9veuvw NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are hav1mv9qn,u 9fxw9-cvehn cvf 7 4e 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 r (k7y7oact6z zp:) v)pt4isiseries 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 one of the following choice7t)4s k ctiy z6ap(oz7 :ipvr)s 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 ide,6 ek48uvnuza;tro5intified resistor in 5 seconds once the circuit was closed? k;v45 ,ntzar6 uo8 uie


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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 i0k i z3gp(mc9gn the following simple circuit have the same resistance, which would dissipate the greatest power? ggpk m z0i39c(


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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 tve 2sf.l 8wumzhr;(/d:s1(oz gfv. f8jc 9pwg he 6.0 Ω resistor is 1.0 A. What is the pow8w;fsr g9lmv 8jp.2wh. :(z fezuvfcdgs(o /1er 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. 0+dmkhhyq d*4Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 6.0 W of power. d+0 hy4mq dh*kWhat 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 bai0 p :tarj pton*vht)rd/;. 5zttery. Suppose R1 has 2V iotrj0a: hv.n*z ;p5r /d)ttpacross 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 1207w8x*do9orhqnqny 7+ 0 watts and 120 volts. What is the maximum value of the currenqn9 ox8w*n7oqyd7 hr+ t 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 a 6pgcetz1n+ l6jjf-ib - p5 6s1w0 watt lightbulb designed to operate at 120 volt- sj-6 tfp wj c1z+peg65bnl1is?

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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 resistor that is dissipat w b9pk 49mpeylg:/,lding 36 watts of gpylm9w,dplkb/ :49e 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, 60 utkf5 s)xmx,90 watt.” In normal use, the ck5f xtsx9,mu)urrent 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 circuit 3 dg5usu 15hqb2c* vawcontaining only three ide2 ub3qs w 5vhgd51cua*ntical 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. Wh2gffulf m/8molqe1x* o c-w c-+4 -fhvich of the following equivalent resistances CANNOT be pro feo - h2wcf*vlofqcmx+8/ lu-m 14-gfduced 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 differentt yqs61inw4; p values can be connected together in different configurations. If all three resistors are used in a circuit, how many different values of total resistance can b4y iqp 1;wt6nse 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 resistozmr; czk*h1l/ r is connected to a battery, a total power P is dissipated in the circuit. How much 1*/zlkmrh;cztotal 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 resi-r1u qq :zvs,ev k,8tcstance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resistanu8zqrqv,c-e ktvs,: 1 ces 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 12Ω when opert srl8 k (o9vgk*v.bi3zig: i.ating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 kg ofi.9s( lo rg:vk zt.iivk3g*8b 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 flows3q17o7e e ihq ksh bpqll24x-w q:,az1 through a 4 ohm resistor that is dissipating 36 wa3qe7 lsh7zoqp x12hli, eq4:qa-1 bwk tts of 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 drawzvz2zjch -0azff38dc7w d 4l2s 13 amperes of current when connected to 120 volts. If the price of electricity ishz82c2ja v4fc7d0zdf3 zl z w- $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 s a3zt6-4/wrj vlq3he 100W lightbulb lit continuously 3hztw6 e-rj /qvsa43lfor 1 year 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 nx tt6xiq-7yu6tf+bur/ )vb0through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents xqbf )ub+y6i /r-tu xv70 ttn6the 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 ,o 4eco.+cf/ jltpy.qse ;oj/mds6( ca family of six owns a computer rated at 500 watts in a 120 V circuit. If all computers are ,e cq jmj oostl4.e/+ py/.cdsf;(c6oplugged 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 to form a simple cc i( l28lc8ufm1nd , 4(1ca0dsxw6kl hif5 agwircuit as shown to the c2cdd a(fkxa h6l0i (58fgnw8ls1 ciw,1lu4 mright.
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 ye*dgco8u4yzv bw v q/c*--o:simple circuit as shown toqwy-*z cduye 8o4/*bc:vov g- 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 q43whp.p t;mln6a/b b resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2bl3ab.p6 mnw4;t /pq h.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;;w/uftp3 qf d and three resistors are connected as shown. With the swf;/3wp;qdft u itch 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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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 three resistors abpbmbte:7gb+ tloocq 2*:)1rre connected as shown. With the switch open as shown in the diagram the ammoqm pb l7)o:gbt*etc2br b+: 1eter 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 re7ulb9us p xy6 8mq4b,tsistance? Assume that all wires are ideal, the battery has no internal resx6,q4bptm 9l b8uyu7sistance, 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 resistg6wos:+;:sggf t cdu0ance of the circuit shown to the right with resistances ;:6ugo tf0gg+:cs swd $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 ide o-9zf ,p;ywp2ztos8p ntical resistors connected in a combination series and parallel circuit to a w9pzo8p2o zf;p ,-sty 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 below sh zh4fu,.-wqk* vne* 0pze,jylows five identical resistors connected in a combination series and parallel yz ku.hq-0z*e, jvf,n4p *lew 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 nvq:tp so;k5ut4vl9,u 4 u9qh of the bulbs are identical. Which bulb will be thekth4:qul vuq;ov 45ptu9 sn9, brightest?


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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 resii .o6he j uv2qain-y( dwob ad6c-q74+stors are connected as shown. With the switch open as shown in the diagram the ammeter re6b(aeo wdq ojy-qan v+.i-4 ihd672 ucads 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 resistofym3,t ,c ,9(ihyoi nbrs are connected as shown. With the switch ( c f,3,ii,mt nb9yoyhopen 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 switch and three resistors are c2 bjfj6rkpg7l u:trp 5 tsbw;r8)v);aonnected as sho7:uajp fb p8vt; tgl5b)r2w ksrj);r6wn. 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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    总分:50分 及格:30分 时间:不限时
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