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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 d/jc0 sz;;6)zne bryu4s qmr5 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 electrzuez s 5 )r4 rcqnjsydbm;0;/6ic 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 connecttzr(odj+-o(, 8oz lu ged in parallel, the_________each resistor is oozrg t,+- jd8zlo u((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 filamentxmrd y2t;+7c u wire of a lightbulb causes the filament to become white hot, while the larx;u tm7d+yc 2rger wires connected 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 repld3geqsiwv40 ;aced with LEDs. LED is the acronym for which one ofdi3 0v;gqse4w 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 lengthou/mz 2 w+zt8cvcf,3d 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 old resistivity of th,tmu cv/8+zz2wfod3 ce 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 e;0zpi( odk7g(kp gd; made of the same material. Wire II has twice the diameter and twice the length of I. If I has resistance R, II has rgo ;kzd;0 gdpik7e( (pesistance

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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 diameter andwc 0ghuo.x:9c half thexo. hcc g:9w0u length 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 length L and radius r. 0vk;bvd jeu;1 This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of this material because of this v u b1d;je;v0kprocess?

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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 rmp0omj *j8v.njuy hoyqi aty8:/8.0 a brighter light bulb. He decides to modify the filament. How should the filament of ao jior.j 8*t/:u8y0nm ayvhq.m8 py j0 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 *h z:i6sz1ra* l)ui,3qv uyewand radius of each resistor s*) w l3yhi:1ueu6zi ,z rvq*ais:
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 conc 3,chd )l-binsr0wn8nected to a battery in the following way: “Two resistors are connected in series. This combination of tws0nw-rlci)83cbdn, h o 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 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 cirynei q /*ghv6h7g -o-u(a uch/cuit diagram has internal resistance 10.0 kW and the ammeter has internal res/ h- ch y/7*en6ihvo ua(g-guqistance 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. The three uj;f )e8h(9atmfxm6k bulbs 1, 2, and 3 - represenaxm k;e(86)fhj9ftmuted 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 z w))uxel)thdo5u hw ,8sb0o(-xm m32e o7gjz the right. If the current in all three resistors is equal, which-o wjh8oz(u 0bm uml)3hz)) o,tg2x7e s5edxw 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 rep-03tnscseo- avau1 9y resents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which o0suc 9-y3saen-1va tbulb (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 simple circ7r(2g n3lxl)n; zjg/;x fwczkuit shown where resistors R1, R2 and R3 are have equal re 73 l;lxn)fc/xj (wz2rkg;ngz sistances?


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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. Bulb X,sz: a fsco+i3 is brighter than bulb Y. Assume all circuit eszs fca,oi3+: lements are ideal. 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 idu0kx1i1lj gg794x ;xyv t-aw tentified resistor in 5 seconds lwt19 xtx0 y jgu;714x-kgiav 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 thec3z +hty: )jkx following simple circuit have the same resistance, which wou hkjc)z3x+y:tld 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 the 6.0 Ω resi5gh*wi:v9a r 1brwjv- stor rwga-1r5 b:vh j*9iv wis 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, -ctq67)yb heg 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 R3 dissipq 6eg yh7b-t)cates 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 connec wsnjw,*dmoeu5xla(,s y3 kodt;,5 1oted in parallel to a battery. Suppose R1 ha5j, (w;d n *m syuwdke ,o,5xooatl3s1s 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 120 volts. Whe.pa/rnj c 9, dxy:a9rat is the maximum value :aya9pn,xr / rc 9jde.of the current 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 60 watt lightbulb de*ut5ewtx;a u u c7ipba1gbos-wn,ei8t+ 88l-signed to operate at 120 v+espwb8 1t e8,aubc7; -*8ou-uxnltiwt g5ai olts?

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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 resia8f,3pj3t5i+lv) daow n+/pzb p els:stor that is dissipating 36 watts of power?pa )w8b+vz5f:3 eas+o,n /jl3tdipp l

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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 is4/vsvq0lo aj-.u)w ps marked "120 volt, 600 watt.” In normal use, / .4-vapv0 wuqls)josthe 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 NOT6/nyixgt6n gd scf;x :+0c kc:)*omj v0jkco+ be produced by a circuit containing only th*kcsno: 66c;/ynm )o0jjtx +:g+0gdv ccx fkiree 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 thrwpg3n7 3gi vzyef1 n;;ee 1.0 Ω resistors. Which of the following equivalent resistance nz3v7ngpf;3w 1gi;y es CANNOT be produced 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 of7:vzu dsgv g+w;l 8 j)tpf.a2x different values can be connected together in different configurations. If all three resistors are used in a circuit, how many d)+8fg;la7: jxv2wgt p.vsdzuifferent 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 pow0n :lzge6ufb* er P is dissipated in the circuit. How much to6*u 0:gzeln fbtal 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 resistance R1 and R2, are connected in paralle+pln59 , joftdykbs a2iah:39l, the equivalent resistance o9 ajdbi+,t:h2 p5sf 9lak3ynof 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 a resistance of 12Ω k hf*uqswontwl*8)y d. r7k 4:when operating at 120 volts. What is the minimum amount of t7knrhu8lky)*sw o : 4.t*fwdq ime 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 resistor that is dissp byu3rv;7g4 ;vnvfz 9ipating 36 watts of powpyb vz9fnv;ur 3v7;g 4er?

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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 a(lufpz3w wy n +8w n7 8rc*;a27tskttgmperes of current when connected to 120 volts. If the price of electricity *ntw lpwuf nr+cagz2y(8 ; w7t873 tksis $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 ho;h)j.zzi. e h+ gpmo 0),zyztuw much would it cost to keep a 100W lightbulb lit continuously for );gp )toiu,ym +j zz.zhe h.z01 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 lightbulb resu,ys6 sop.lb:j lts in a power of 24.0 W associated with the bulb. Which one of the following c:s6o .spb,ly jhoices 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 oq18v+fcq i qdh 3zsa+au8*3cbf six owns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a singlevq q8a8s3q+d+czf a *h1cub3i 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 0vi*eby2a *o5d i*xcf3p cxoe pj;7-fa simple circuit ae-o5x2fc0v j*xi **e ipbaf;d7c3o yps 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 four resistors to form a simple circuitg5 yka-g: (6jinqurpr;w:c.xgn- y* f as shogy:5-r ky*; p c nxg6-afn(q urgwi:.jwn 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* j ues3p3af2wz hm6d-, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 fa 23h-emu6sdpjz3*wamperes.
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 connvsu6x+y0;xt/1ty *0-cw jc)j dex pxo ected as shown. With the switch open as shown in the diagram the avtw;pso+j -cx /x y y10x0e*)utcxjd 6mmeter 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, vm131bt9yd, w;yelypa switch and three resistors are connec v1 ;ylt 13emwpyd9by,ted 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, what is mq0k)(e jhe m 3xpoi46the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and (koqmipemj 64e) x3h0 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 thc 6e7gnx3chzip s9p fmov9xt0w 0m a((ux)q -8e right with resistanc 09fqo3 (-gu ( w c0h8 x)ep7z6c9axvtmsimnpxes $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 belownf.1 v8,zu)xo k0elb8 k7y dlu shows five identical resistors connected in a combination series and parallel circuit to a voklb88vzdn7lu 0e,y.1 u)kfo xltage 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/jy c4sck4 y7a shows five identical resistors connected in a combination series and paracky4y /s c74jallel 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 circvjxg7 4xgqk/p9n * fy4uit diagram, all of the bulbs are identical. Which bulb will bxxvyg/n* q49 jfpk4 7ge 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 swl8) ds/y:i qfhitch and three resistors are connected as shown. With the switch ope: ifhy)8l/qdsn 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 am(zj:1o*ggrpq c 4:sx cmeter, a switch and three resistors are connected as shown. With the switch open as shown in tgr *j:so4 c g1:cx(zpqhe 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 nhnlb8g56xf, mhp+82ftd, s uammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the amthufb 86 gd8nhm,p5lxsf 2n+,meter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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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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