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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 cur,bcy-:k 00 s+yocmqzh.a t1+lr/ th 1dab(xfjrent 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 the s ,jo(bca htfahky0d:lxbmzq-.0 /y1+rc + 1tinterior 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 connes 73izss*ch91o z k;sfcted in parallel, the_________each resiss1zs3co79ksif; s z *htor 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 f,xn859soc f yfilament wire of a lightbulb causes the filament to become white hot, while the larger wires connected to the lightbulb remain much cooler. This 5ox 8c,9sfyfn 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 mv5)ec.i+owl dwa h;:replaced with LEDs. LED is the acronym for which one of the following choi d:wol.e;wha)v+5im cces?

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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 7i yckqeqze 92o+go )f0k+ok4-sectional area A. It is to be placed into a circuit, but it first must be cut)qoz20ec g +e947+k ookyqki f 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 madexd/ 5 n1- pyspeq7bpqwic/o20 of the same material. Wire II has twice the diameter and twice the length of I. If I has r-e dn/ 7/bp qicpp 5w0x1y2sqoesistance 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 twice ti2+)p z cm0e0b9zq ,hqvhi r(qhe diameter and half the length of wire X. If wire X has a resistance ofb0q0+(pchiz2hqq9 iz mv ) e,r 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 anlw i922e6u8qdhlza a(pr8r ). j6twqed radius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the r86d2awi qwr9z(llqeuj e.)6tha 28 presistance 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 makg wq udh,ub;n68;*h3ocq3cj sk0 eq1ke a brighter light bulb. He decides to modify the filament. How should the filam jh3cnhu,o;10; kc3bq6egdwq s quk8*ent 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 material. The length a)y dzj 7:30jqj l,y 5bh+pxrjrndybp j7+j3r,05dl)qyz :x hjj r radius 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 bau4i qa;3vno4pwn.a 9 mflp zg2vj7/7dttery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in pio w 7nd29 4v ;j/pap4.va3unm7lfzgqarallel 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 inte rtphm).g3-nlb7n ykjaj6.e:rnal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm ynkneb:g.a. )jh3t6jml7-p r. 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 t*qwo8x 6x 4 /ccxfpsyapr ,y).he right. The three bulbs 1, 2, and x6pf) 4wy,c8qxry./s*cxopa 3 - represented 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 the currenhpynzp ); x/41mlpz2pt in all three resistors is eqy p;zl1p/px4z2n ) hpmual, 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 rk5m( 5syud nyb 4-yu2gight represents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Whichysuu 5yy -mdk(g 5bn24 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 followize),gxrhw6 4l8*7lqf( b ozs bjc ./yqkn.n(lng statements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equan6qlb bx4/*yz(8zhl eqs .rg c (nj7lf.o) wk,l 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 and9 u5 ++wq2u ojij. x8mjuoqcqfr9yl,( Y 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 ,8(j2cjr oou q f uiu+jxq y99w5ml.+qother 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 i7lq r1e-te0xvk;y4 aan 5 seconds once the circuit -ek4e 7;ata0 1l qrvyxwas 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 thg6o; 4u 44zarzf5 iatgtik q18e following simple circuit have the same resisk5q4ii zu6a4o8;r tag zf 14tgtance, 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 current through thew yx:0d2h ii g;(nlao. 6.0 Ω resistor is l0awin ;2 ghd(y.xi:o 1.0 A. What is 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 R3 are connected in series to a battery. Suee.u) za6yo9 uppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R9yaoe. u) 6uze3 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 resil vhf/tiow5)az. -.u astors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω,w avfz/ lhtia-ou.)5. 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 volts. What is the max)pfns l2 33r)d2j3kgwic 7hohimum value of the current under these conilndhk2h w23ofsp)3)j 3c g7rditions?

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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 120paxe-5,:j rri01 y hehp *xpf0 e:i5,j p 0 pary0ef-px1hxh r*volts?

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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 currentfk /,n;(yei vj flows through a 4 ohm resistor that is dissipating 36 watts of powe;fei n j(,/ykvr?

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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 toa 1ut(e5ilci+ press clothes is marked "120 volt, 600 watt.” In normal use, the cua1+e 5c it(liurrent 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 agaxay:)- n7 vb(lqu15yxns9e circuit containing only threen7y9(bl-gsvuny a xq5 xea1:) 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 resistors6him)9i+h( hfm t5k-zoi , sqp. Which of the following equivalent resistances CANNOT be produced using all three resiiiq5 fz h+ps-tmh(ki)hm,9 6o stors?

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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 valuesq0n4pjk; m5) 8+)gwl(oim )e ant famv can be connected together in different configurations. If all three resistors are used in a ci qn;g4kiv0 ) em tom+a)a(pmn wf)85jlrcuit, 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 ikn fe3t67,9lk:;h* 8 dxcs k (lr8rqk k7oqjors dissipated in the circuit. How much total power is dissipated in a c o qseltk 77qr; lnr, fc98xkh8(6rk dk:k3j*oircuit 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, s+ 4:mflesiv) are connected in parallel, the equivalent resistance of the combination is 5Ω . Whl)mf:sei s4v +ich 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 s8bwu7wqsj+y q:03ja x uch that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would tak+ wqax 7ujbq0yjs38:w e 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 flowzc+hc n bb7l/nri3e 9*s through a 4 ohm resistor that is dissipating 36 watnz 7*+b ich relc3/9nbts 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 curreg ju)iei s(,c:nt when connected to 120 volts. If the p )s,g(iuc e:ijrice 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 lightbulvea +k hycn9-+b lit continuoyach9-e kv++nusly 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 4dl4*/e ixbor 4.00 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resistance of the lightbulbx*io/der 44lb?

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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 rated4 nd-+ jfnup+x at 500 watts in a 120 V circuit. If all computers are plugged into a singl+jnupd4n-+ xfe 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 xg1vut7o 9o7lf2 ija.j*pf5 yto four resistors to form a simple circuit as shown tox fg1fut*2 7l. 5jjo7op vyai9 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 four mke9,o,a)j1 wk8raq xzkws2 2resistors to form a simple circuit as shk,m9ar) e2w s2 q1kojk8xz,awown 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 ib7gtp f9javzuq*;guv z3p47) deal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 pg7qzt4uf*g)9vj;7pu3 bz a v 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 connaif 6e kd pm+03r,9z0o0qxfq9lk jz7pected as shown. With the switch open as shown in the diagram the ammek6 ka0d,qie0+q 9rz x fm pfz7j309lpoter 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 j(c 2jia *hyxw m7zac 6oi:ucs b*936aideal ammeter, a switch and three resistors are connected as shown. With the switch open as shownii(92 z o6j*c uaj:ahs3 xmy*ca 7bw6c 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, wha aixcll2n+ vh ;tcyf,glg.2 7,t is the equivalent resistance? As,n gxgf.v y+cc2,lh72i ;ltalsume 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 th923smklst * 3kdy;hhd e circuit shown to the right with resistances ;t ls9s h3km y2*kdhd3$R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 h( lsvb /q2c t6*y*awcf( (dkcg;l 1dcconnected in a combination series and parallv(f s(*tclyh2dakdl(b/c6c *q c; 1gw el circuit to a 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 shows five identical lfgy- :m7 2jkyresistors connected in a combination series and gy 7m2:yljfk- parallel 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 identical. Which bul- ,csxc1lam +xb will be the 1- cxcs+x,a lmbrightest?


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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 idealxxzyfi 7z 05y2(2ozuq ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperxzy zo2x25qi0 7zufy (es.
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 ml.n u 4 ds,ixr+s .*xa*.xgoqammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter ruxo.x.dnx*s,sai4r*mq gl. + eads 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 ideaim .n0n1jfu b;l ammeter, a switch and three resistors are connected as shown. With the switc jb;1u nfnm.i0h 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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