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习题练习:Electricity and Circuits: Resistor

 作者: admin 发布日期: 2026-05-21 08:55   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 exi x(*cju30q otsji-(urc8g sww b88)tmsts in the metal resistor connected to the battery. Which one of the following choices best 0i8u xmw8)(rguj- jtc*so (tsw8q3 bc 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 in paral*zmql/ vh/k2llel, the_________each resistor*kl /q/2lz hvm 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 throlr 5 ejdx8w6k,f0 8mpz gomo9nd*z/n8ugh the thin filament wire of a lightbulb causes the filament to become white hot, while the larger wires connected *o8df ,dzw /glxn58zm6rnekp8 omj0 9to 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 is thee8wlne0 gz o-fuprvk*9 7i*g/ acronym for which one of the following n9z-8rg0pv gf7o ue*w/il* ek 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-se3j/be p(:bn6 *pprkcactional 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 resistivit3/rc na j(pp :kbep*6by 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. a*t n+pqh1/bwh rw) 2eWire II has twice the diameter and twice the length of r*wpeh1)2/qtanh+wb 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 material but has g6 *pmrt ur 6t /fvca3/ppjh.zyx(ktd2/wu 65twice the diameter and half the length of wire X. If wire X has a resistance of R then wire6rc2(5k/*wtpfrmh.y p6/g6u z j t/a p3vdtxu 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. h h2wq.;8xq (fzjoax -iut* (wThis piece of material is then drawn so tij.8u -o h(htww;(z aq2xxf*qhat 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 to make a brighter light bulb. He decidebbiey ixw.*h +/a0,4sc cm u+ns to modify the filament. How should the filament o0n.bu 4c waseb/+hi +c,i *yxmf 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 material. 4lqeyb/cjbys lh9 877The length and ra/bsqe 8jly 7b7hyc4l9dius 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, each of resistance R, are connected to a battery in the ebq wqssf9 s/ o; fqc(.w/pe34zo3go; following way: “Two resistors are connected in series. This combination of two resistors is connected in paralle339b wew.s/z;o oocp4qg qq(ss e /f;fl 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 resistance(ac thwb 398w9dzr; nq 10.h3ad;(n9 wb 9qczrw8 t0 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 compound circuit shown to the right. hoa4 drbn/ v,ox1pw+0The three bulbs 1, 2, and 3 - represented as resistors in the diagrbn 1xv/rowph a,d0+o4am
- 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 simple4ll*p 1jy t;sxo67 tqk electrical circuit at the right. If the current in all three 7 k*ptyl1;4l o6jqxts resistors is equal, 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 coq*p sykk 5q9j-mposed of 5 identical light bulbs and 2 flashlight cells. Which bulb (or bulbs) -5ks *qk qpyj9
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 state;m djsctvzq+g a*t -4b0ytfqvc.91 n8ments is NOT true concerning the simple circuit shown where resistors R1, R2 and .08dqfjsc9 *zy ta-g nvmt4t1b c+v;qR3 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 n09 fr9n a3-*b(+xqhsydlw yy 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 choices best rqlanb r(-d n3y+yf*s9wh yx90 epresents 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)d-( pz1vae gh: ca*cd resistor in 5 p czdgv :dh *e)-1a(ac 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 following simple cm*dx3 fz p)f4iz*fgv/ircuit have the same resistance, which would dissipate the greatestf d z)gp3*i*xv4m/f zf 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 accompanyindx9z: + )vjhglzp r6t+g circuit diagram, the current through the 6.0 Ω resistor is 1.0 A. What is the po+z vhlg6dpj+rt)9x :zwer 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 nby- r0i-8d/ b)zdocq:2fo io connected in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistan-oi0yd)or bq infc o/-8d :zb2ce 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 parallel to p 8sde3 bw;)cqo,* vjvg/xx9 na battery. Suppose R1vw ,o 3ced/qx*n p;v9x)gbsj8 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 utr2 1- par)zm5lyv4hv (mb8t120 volts. What is the maximum value of the current under these cvtm a5r1 h( u4t8r pvbym-)z2londitions?

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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 of ; tfj/(yx2.16k-sblaf v ry,6hxd. crhz 7gwperate at 120 -71flj6hr6bxw( ;z/.ga .rt2yfd kc yvxf , shvolts?

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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 curre1gkr(0( qph a*p ct5po tl*. ld(qeqbnrz-.8tnt flows through a 4 ohm resistor that is dissipating 36 watts of p*b lp t-lrtq18 p*crgp q5(.(ah ekn tz(0.dqoower?

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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 pj 0gu.sf)ey-sress clothes is marked "120 volt, 600 watt.” In normal use, thgu-)s0.fs jeye 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 resistanbzb ff 9lcqudj1s5550ces could NOT be produced by a circuit conta0sdlfzc1q 55u f95bjbining only 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 resistors. Which of the following equivalent jb1k, g;5achuo9jkf 7* cdg(gresistances CANNOT be produced using all three resaggo ,7; bc ku(h5*9jcf djg1kistors?

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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**fmhnb ibit gw53:n+iv3f:g of different values can be connected together in different configuri :ni3t*5wgb3imf+vfg:nh * bations. 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 resistor is connec lfb50a01q gwjted 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? Assume the internal resistance of the battegal01q fj0wb5 ry 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 resistancew:k)b,.pxgzz;zv rt8 R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements abouxpz ) ;krzwt b8gz.:,vt 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 sucpk9i( gtrgd-6h that it has a resistance of 12Ω when operating at 120 volts. What is the minimugi9dk g6-pt(rm 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 through a 4 ohm resise3l bej:)ieasgft) wk16 c9 m*tor that is dissipating 36 wat c1eka9f *i3em)g6b ljest: )wts 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 draws 13 amperes of current m n vt 8shqcw8kpaqf9hd7+kp9,+ 2i( xwhen connected to 120 volts. If the price of electrik aq, wvfqkct( 2+ h9pdp9i8xn+m87sh 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 would it cost to keep a 100W lightbulb qb2.pxm33vfb lit continuously for 1 year at a qvmb33p2.f bxrate 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 lightb*e+ gh3kn .fpg(ka fu-2yhru 2ulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best 2kfp2 k gfh ry*.u(gu3-ahne+ 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 omnti hcdjtuvz,je i/z:n,06 m.5 j+e2f a family of six owns a computer rated at 500 watts in a 120 V circuit. If all computers are pluggmij tnz ueh26,j+v 0czm,d5. ji :/tneed 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 resis0d;4 v zbpfza1tors to form a simple circuit as shown to the rpva 0 d;zzfb14ight.
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 fob ;fqom-u755bxqsa it*w9+y krm a simple circuit as shown to the uqqkx*9 5yw ;ta7m+bo b-sfi5 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 co mb my x.4dubk(0.of,knnected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 kdy04bxo.u, b (mmk.famperes.
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 reo028 vrkai*o2 f fy9+u 8 jukcrdw d+he7,bsw6sistors are connected as shown. ,v fud9e7+* 02iyar6jww c osd+krbo2k u88hfWith the 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 batterynqg k jx2jz/k/z;k3vqe-.r1 r, an ideal ammeter, a switch and three resistors are connected as shown. With the skkkq-3v/zj/1 rz;2xer gjn.q witch 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, what c.6iskn5 r..hmx 9u:e d7crba is the equivalent resistance? Assume m 75a.ecr.ch rs9 nbxdi:k u6.that all wires 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;r6p8 venrx k1b vu4io7+cw+u right with resistancescw84rkui+r +6oxvebv7n p1; u $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 id v q,(u4hlvc/wentical resistors connected in a combination series and parallel circuit to a volt/ (v,l4vcu whqage 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 identr/solk1 f5 2zid (7hxuical resistors connected in a combination series and parallel circuit to a voltalk2(fx7us/zr1hio d 5ge 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 identical. Ww. -u myuisx)4+unj h;hich bulb will be the bruu4.m)hs;unyw-xj + iightest?


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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, om59)7 7)t 7tyb mvseoqie ij7an ideal ammeter, a switch and three resistors are connected as shown. With the swiimj77 oyesot7q)9) m7iebv5 t tch open as 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?


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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 ammete9w) 4:z-fbxpp al:jxnr, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the amzf)np9 :jx w:4x-bal pmeter 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 ammetev1a9yo395o ksd*pq.pr5ss1 s k l-c wsr, a switch and three resistors are connected as shown. With the switch open as shown in thls1s1 9- doy*3qko s9c pkss5awprv .5e diagram the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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