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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 reiyq(s y4g;0g ph+b1aw :9gx stsistor connected to the battery. Which one of the following choices best describes the direction of electron floxg y;(qg ts 9i bapg01wy+4hs:w 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 in parallel, the_________u l7m6 iro5s7seach resistol 7 5m7ursi6osr 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 wir zo4th.soo 29o nt8of)e of a lightbulb causes the filament to become white hot, while the larger wires connected to the lightbulb remain much cooler. This happ9f o28s4. tzn oht)oooens 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 beingj6n 9 ae(*grbc replaced with LEDs. LED is the acrony*gj e9n(r6bca m 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 and cross-sectional area A./h7;iojwmk. k It is to be placed into a circuit, but it firsj o. /mkh;ki7wt 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 wi bg-cw(b kxodu1u6/x (qf36azre II are made of the same material. Wire II has twice the diameter and twice the length of I. If I hasb3a 6 kc1 f(/xu guo6bdx-wz(q 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 samgs,z9cgne6c u ;,jzn 9e material but has twice the diameter and half the length of wirenj,9 nzgsc,c6g9u; ze 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 length L and radius r. This k m+sc589i -eizo3 nbrpiece of material is then drawn so that it is a cylinder with new length 2L. What happens to tbii+r3ce ko -ms9z n58he 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 Thomasitu pia q +4x(7yce7x: Edison wants to make a brighter light bulb. He decides to modify the filament. How should the filament of 7qie yxp+7a(x c:ut 4ia 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 material. The length(yo ds ye-xtei/3rg) ay1ff5) and radius of each dxig(/ 5syey1y- )fra) 3o tefresistor 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 battery i s/s*2ws4gr6yxw4lq y 3q;hpmn the following way: “Two resistors are connected in series. This combination of two resistors is connected in parallel to a third q642sql4y w */ymhps srg3wx;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 resiw5tcyx5( sv6 ostance 10. w(5 ocy6tvs5x0 kW and 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 compoun n9y m(,zx nxh )sl:srp78)ofsd circuit shown to the right. The three bulbs 1, 2, and 3 - represented as resistors in t()lrss smp:n7, ofx 9hy8nx)zhe 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 elovcgo7rj)b-0 q ui* k)ectrical circuit at the right. If the current in all three resistors is equal, which of the fok 0)- b *ogcivjou7)qrllowing 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 5nxz2erhifuq+/l-u - right represents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bul5u+xzrle - - 2ifq/unhb (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 the simplek+e5fvz--hir er *x4x akh9 s3 circuit shown where resistors R1, R2 and R3 are s-khxfix5zre39eva +hr* k -4have 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.9- ,e af)ui7xm9 tcxtb Bulb X is brighter than bulb Y. Assume all circuit elements are ix 9i-x) met7, 9ubtafcdeal. If bulbs X andY are connected 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 identified resistor ckn,r(p(9: r o7bc1 vxt-ka xb in 5 secondxrvx (rpk7 :9bkot 1ac- c,nb(s 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 following simple circuit haveeq )1qev( fut3 the same resistance, which would dissipate the )3eu( t vq1qfegreatest 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,zzz27fh8.*)skczm t 6fy2ei t the current through the 6.0 Ω resistor is 1.0 A. What is . z86yi 2efc s2ht)*tzzfmk7z the power 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 b u03s4b6lmhamt i4 hi,gvn9 qihu85+R3 are connected in series to a battery. Suppose R1 carries a current of 2.0 A,9lahhg,4i 50q vsu4i3mbmbi6u +t h8 n R2 has a resistance 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 connectedj.: jh2tyt z2k(e6vd d in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the cuy6vkj2 t.ed hj(t2d:zrrent 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 coiae3f35meor /i+ k4rdvl is rated 1200 watts and 120 volts. What is the maximum value of the current under these conditions?vdef4emr a+ /53kr oi3

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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 lightbulb designed to operate at 9rz sng8g)a9m 6m )aax120 volt6rm)n)gaz8xa9 ams9 gs?

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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 currq ),ye l,6q8 fti6d6acf j-eejent flows through a 4 ohm resistor that is dissipating 36 wat,fte6if j 6qa e86qc,jdyl)e -ts 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 clothtk ql :nu55qcmef3p, b6(ur4ges is marked "120 volt, 600 watt.” In normalp5 5 nck 6qg:(uqm4e lutbrf3, 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 resif, t 30bra(fx5ewp 8po kj.wp9c*7ghzstances could NOT be produced by a circuit containing only 3t z(j0a hop*cke.pgrbw,fw5 pf7 9x8 three identical 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 rkd5ua9j19 fgmb o): beesistors. Which of the following equivalent resistances CANNOT be pregbukd o9j:9 1fa)5bmoduced 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 cd7oo( psl6k:o/ oh* npan be connected together in different configurations. If all three resistors are usp:s*o/hdo(n6p7oklo ed 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 resistor is connected to a battery, a total power P is di6m 1 hpnb +fwxxyeye bug7(,).ssipated in the circuit. How much total power is dissi(pb7bg+e, unhy fxw ye.xm1 )6pated 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 resistancwtw29w 3:wa.xio*vnj o j (gq7e R1 and R2, are connected in parallel,x *w wjov9w:t(7j o3.gnwqa2i the equivalent resistance 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 au xx. 37clh7ilmz( dpf1g1m0rq w0n*n resistance of 12Ω when operating at 120 volts.m 1lwxn xqu7(*1d0zf r3.cmp0n hl7i g What is the 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 throuwo71 -099mfvferxgnv gh a 4 ohm resistor that is dissipating 36 watts of powe1-vnx0fvm org e79wf9r?

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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 amperesch ./i 7 ;*i sw4.q5qlbj-kxbuhrkj3l of current when connected to 120 volts. If the price of electriihuq l*xw3sjlb ;c5 rk.4-.ib/h7qkj city 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 l) mt2i4o:omc+aivvm u/- q:awould it cost to keep a 100W lightbulb lit continuously for 1 year at a rate of v: a4/q2o i:umoi) v a+l-mcmt$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 o:*a s ya.4xycbdn56zimo xh 56f 4.00 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the folloyz m:.oxd 4a bxn5yc5h6s*ai6wing 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 *k jl fp40at 2kjz3ber3w/f8k owns a computer rated at 500 watts in a 12j*e 34r 0akz 8kfwblpk/ t2j3f0 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?

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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 resistorsb qkgv9h.ekwc;8a /0 u to form a simple circuit as8vg .9w/ akehkq0 b;cu shown 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 is connected to for6(: zav.,c oe x/tt )gzq7estur resistors to form a simple circuit as shown to th()sx .gt zc:o7v/aerqtt,ez6 e 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 resistors are crg 39 3t*:34g osvg,ckc qv:(atm8xkj icb;bdonnected as shown. With the switch open as shown in the diagram the3kgb4t8tk odqaj g*ci ,;cg vr:3xc(b :mv3s9 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 batter8ew,kgo8y3w kfp*7 ig1*/ zxidxv h43rrn+ngy, an ideal ammeter, a switch and three resistors are connected as shown. With the switcg*7rxpo3dhn y8rwn8+ , i4x *gw1zik3fgek/vh 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 ajo,wmo hu6.lh:ku*:ll*ey u2 nd three resistors are connected as shown. With the switch open as shown in the diagramhhwu*ojk,: y2l uel.lo:u *m6 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 showf k,y7 o)jlvhr 1ky5e0n to the right, what is the equivalent resistance? Assume that all wiy1 jokef hr7,yl5)v0 kres are ideal, the 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 the right wjx;x x dfx yl-(n-2m;aith resistances fy;jd2 (n;axxxxm --l$R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 in a cotwfp.o5lt ,i rb5/l*bmbination series and parallel circuit to a vtow/5r ,.p*illtb bf5oltage 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 showweqs5f x 6g-m.+2dhz gs five identical resistors connected in a combination series and parallel circuit to a voltage source.f qd2h-+gmwesg5z x6 .
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 themmaj01i*w //j2ex+b oda7m xj bulbs are identical. Which bulb will be the brightestxbm d xj/0a jmie 7*m2o+j/w1a?


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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 bp3;amxu+b oz rq00r.resistors are connected as shown. With the switch open as shown in the diagram the apbr0qr mx 3 u;.bo+z0ammeter 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 6hhulpwhf5k x 5u*9g:, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the a 5 :w5hlkxgu *hp6f9hummeter 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 e pvy12t3g, qvswitch and three resistors are connected as shown. With the switch open as shown in the e2gpt3y,1v q vdiagram 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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