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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 the metal resist9o8.mqx8t2- rhydq h qor connected to the battery. Which one of the following choices best describes the direction of electron flow through the resistor and the direction of theq-qr8.h ohy 89t2dqxm 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 resiste fdu+rs5x;.lzp ,cgd,,+iy dors are connected in parallel, the_________each resistor is iy, +5;xgef r.z,ddp,dcsl+ uthe 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 fi,pi*l*b cqw9klament to become white hot, while the larger wires connec 9pc wbqk*,il*ted 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 inb7zo*u, : l *jn89sktdx9zn ys the acronym for which one of the follo,dx j9:n z ul n*k9s7yn8bzo*twing 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 graphitj-pgtewb)8ze q /j r;6e resistor has length L and cross-sectional area A. It is to be placed into a circuit, but it f8-jb 6qert/e)gw ;pjz irst 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 materw wwa hni 3mj1sh24mi cq6e7*8ial. Wire II has twice the diameter and twice the length of I. If I has resistance R, II has n q4e3si62 mwhw8ch*ij awm17resistance

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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 twice the diaiwu/ol3z ,h9c meter and half the lenz9/lh ico,3uwgth of 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 has leng: kz41bwyr9 hzxzd5(x-j .ahsth L and radius r. This piece of material is then drawn so that it is a 9 sy.ha z bhxkj(zxw-45:dz1rcylinder 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 ku95mwm(+v d 4r h;m1 ty)kjwasnji.2Edison wants to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make the.iu w ;vskj9hj+ dmn5w(m t2ak)y 4r1m 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 resi4cgw uk(0 :bmmstors are made of the same material. The length and radius of each resisto ckuw0mb m:4(gr 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 a batt-8m p .,w:bpftps udr4es ml3cx*z-y1 ery in the following way: “Two resistors are connected in series. This combination of two resistors is connected is1. wrf*, pmc zu-dpt 4:-xpbl y3es8mn 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 acc 2/isa vlag, 6k-kp*vgompanying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. Thegisl /av6 k2v apk,g-* 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 circuiv-yl mkfi4pvo)j /)k (l n282wez)ub lt shown to the right. The three bulbs 1, 2, and 3 - represefv4jbm lp )uly/ ) (v2z8wnilk)ke-2onted 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 ;gp a.j )*inw+xj3:l yq/fn;j-na.m ego+ur athe current in all three resistors is equal, which of the following statementsj-a/a. ylnrpxq. *:g+a ngnim)o3j+;f we;ju 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 righ*prjz ;mea*.tt represents a simple electric circuit composed of 5 identical light bulbs and 2 flas.zapr*j* ;temhlight 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 is NOT true concerning thlwm6.k26p) 4 2kh-l/xnpyk,xu i ; ghgvldi9 te simple circuit shown where resistors R1, w 4 6l 29/ 6pklxi u2hggxd;,py.khin k-l)tmvR2 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 raj ).m0-lkqs9z k c*zandY are connected in 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,l-.zca)k m s0z9 qkjr* 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 identified res ,-ec*t r *wdrxx8j-bg+sdtl. istor in 5 jd rexgw*xbd l.,+scr--*t8t 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, gx c+6851nz4vlew q;x;k rd+pb4l0yq jdi as following simple circuit have the same rea6,de;+d+ 5xyzc;qnp1j rbq gik sl vl4x 8w40sistance, 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 curr:( f;xbfu6fh/v nl7jhent through the 6.0 Ω resistor is 1.0 A. What is the power supply voltage Vf;(6bh xhujn :f lv/7f?


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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,j g9mbur uc5j:1b-o+m and 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 :juc-r b5 mgb+juo1m9 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 resisv tqkt(3bhl+cb4k,2, eg.pltr oi ;3 utors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V u23tvt 4o.bgr kh(,+kqblclp ,3ie;t 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 ae,xho-uke7 5 120 volts. What is the maximum value of the current under these 5a7o,hkx-uee 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 wa w3g9s 4 npi0d5hiqg6qtt lightbulb designed to operate at 120 volh5 qgqg iw946sidp30nts?

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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 restlu4 z n,;lk6histor that is dissipating 36 watts of powe6nl,tzu l;4 khr?

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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 dvfo:app;yy4;9lasuj7y 7 0x 3 cowh/press clothes is marked "120 volt, 600 watt.” In normal use, the :o77yc w9/pxdl; po4 ;afjy0aus 3vhy 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 +6 nbk6bssx8p be produced by a circuit containing only three ik 6bnp68 bxss+dentical 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. Wut1f idr1h.+q o0u 0behich of the following equivalent resistances CANNOT be producu h0ub0o ite+1qf1r. ded 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 c md1i, 4aqlh,z8ye30g wng dhtm(3) fgan be connected together in different itqdf,neg 3( mad1 h3mgy)l4wzh 80,gconfigurations. 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 +/3dhaiu8 a +tkqon*goz(.3ecd w0furesistor is connected to a battery, a total power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identical resistors are connected in series using the same battery? + k id(a0fd/nco+e*hqgta 8uw3zou .3Assume 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 resist dxg6n xnyfgu.g;rn*r25 -l5g*wog5z ors, having resistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resistances is correct;g2 f * gn56xnryuxln zwo.gr*gg-55d?

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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 *: s7izq7d*og khmt idr+upl,u)f8g, that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that itslr**uf7p)z7,qgt kodi8hm: i ,dg +u 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 46 *3unaxs 3ots ohm resistor that is dissipating 36 watts 63a x*s s3tounof 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 connee umk7u(o6fikw) x4e* k2ynw-cted to 120 volts. If the price owwienkkk u*f7x m-62oe() uy 4f 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 cost5 - +kxfedkvu0 to keep a 100W lightbulb lit continuouse v 0kkd5+fu-xly for 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 through a light2zx t9f typsk 3 fw+g64 2avtjusaz,)3bulb results in a power of 24.0 W associated with the bulb. Which one of the following choices b+z 49w) f2jxyast, szgapf3vt6t3 2ukest 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 familh*j9pr vl5 hxe/jd w,gup:6 ; wogh7d/y of six owns a computer 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 computer *5,hx:dugwlgwej o hp 9/;vjph/6d r7s 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 cm tphb,x e9jp(t )xp,/ircuit as shown to the right.m /pbe,) ,p htj9x(xtp
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 forxk j.rx97mqt)3 t*wp gm a simple circuit as shown9t* 3t.xxp wjr)mqgk7 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 /gx8;rcwn r c-c, oo:wand three resistors are connected as shown. With the switch open as shown in the diagram the ammeter -nccx rro8gc:,;/wow 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 resistors are i y135 qh2pxnzconnected as shown. With thexy5pq32zh 1 ni 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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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, anew01*v2 dnlgm,s6 gntq cct6: ideal ammeter, a switch and three resistors are connt:* svc 1nwe6 q dt2glc6,gm0nected as shown. 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 right, whatutnz1/66j7 s khsw5c zc9 r8nu is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identicalsz1u unrw59khzj 86 6csn7/c t 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 shoh9v c(( pr g:r/lbru+ywn to the right with resis9+vhyrbcr ug ( p/:r(ltances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 identica54z -hej ifacf-f x7hjiu. wiq4-l;2e l resistors connected in a combination series and parallel circuit to a voltage souehjffw-7i2f4ehi-xcl4 i;z q .j -5u arce.
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 resistors connected in a combinatg )xwh-8g 27bbyjrhx:r *l pa-ion series and pj- ) lyxhg b-b 7p*xagrr8:2hwarallel 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 bulbs are ide .,t( koakdb+xntical. Which bulb wk.xbotdka + ,(ill be the 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 thp8iuv mwup 5 ud4:bq4 w h,la:.g6vg(cree resistors are connected as shown. With the switch open as shown in the d4l i gu8phg u,:vc6mw5(da.wuq4p vb :iagram 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 iw) *4i6rg ;i:idmqq bedeal ammeter, a switch and three resistors are connected as shown. With the switch open asg6d;qmq r*i weib):i 4 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 cono1g s h/drp/ o8ln*jx2nected as shown. With the switch open n8oxjrhs/g l/dop21 *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:    
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