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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 curr a/v c2ctuf oo z9vkl,w mmhl-d:ijok,1,(r3 0ent exists in the metal resistor connected to the battery. Which one of the followi/1cvdlk 2mlufjrom:oi,,v3,c9 h( tozw0-k ang choices best 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 conneca got; ib8iwq*ao7 u,3ted in parallel, the_________each resistor a u i*a,3b;8owitgo7qis 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 wire of a lightbulbsaw5 sl*vm7ccz )pd-8 causes the filament to become white hot, while the larger wires connected to the lightbulb 7*)m ps5vld zc8saw-cremain 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 witetd: x512l9ntcccbr( h LEDs. LED is the acronym for which one of th5t 2lcc ex:1dcbtr(9ne 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 a50hiubtxi, g( yr 4p3cnd 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 1g5 ih 30yxtbu(4pi rc,/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 material. Wire II has twice th5bta i50os5aij;jp- ge diameter and twice the length of I. If I hasiataj0bg o55i5sjp- ; 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 twice the diameter an:rwo :hsl dr;4c1f z4fp9mkpy -o*h/ vd half the length of wire X. If wire X has a resi:ol hd c4-y:rk*o/php49z;sffm 1r vw stance 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 andq n,97 3-+v ibtt3uspdvo* iwl radius r. This piece of material is then drawn so that it is a cylinder wiut ,ob3 7q i93+ lvswpvt*n-idth 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 g:qn.v *o*hb mwants to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modig:mb .hqo**v nfied 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 sa9wq4v rcd(u8n*nzre d nkw:6 -me material. The length and radivr8 9nz*w: dnw cu (d6kn-4erqus 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 batteri -m eaxc0qgqa ;.(aom dc-lp(t; - gv/5n3hqky in the following way: “Two resistors are connected in series. This combination of twogcd5 aep;/o3;.cq hvg(iqlt(- mq--axk a m 0n 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 circuit diagram has in5x4ohi-xxdd3 04o vmn ternal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm.vd- xi4 o0xd4n3oxhm5 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 compoundr/3cf.j 71o eo ht6lxc circuit shown to the right. The three bulbs 1, 2, and 3 - r/er ox.h7j 6lc 1cfot3epresented 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 righ 9x*gv/g1r1bqxikd7mn ;0jg l o3ap:ut. If the current in all three resistors is equal, whicr /jid;:vg1 b*9nxap07ul1qm3g ogkxh 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 btbd sim50a+k++ex9ia nf07h electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which b0k0+s+t x5a+ biednfbma i79hulb (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 concegpc6,k cr/j 8wrning the simple circuit shown where resistors R1, R2k c,rgp68/wc j 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 andY are ryw6a2yv7k 0 -30ntw yleue,e 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 theakleuey7 nr ey ,6-wyt03 w0v2 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 ob+v)quc 3cxr-1 dnerr5fp2 7 pass through the identified resistor in 5 seconds once the circuitq5oe- ) d7p+r 1vbr2 cn3xrcfu 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 circuf+,zftvly-4:uxoi4sml: f 9t 6kvj9)eb x2hc it have the same resistance, which would hi4 jv,s :zf-v e)6:9flm xxbo yc9u+ fk2ttl4dissipate 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 6.053ujy.,j1gl1z+ piy ov /ma wn Ω resistor is 1.0 A. What is the 5jo/p1,injvayw . uzyl1 +g3m 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 seriesjru +5mb(ocpv;fddz52s0g( f to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 6.0 W of power. What is the volt+u d(d vo r2s0mff;5cgj(5p bzage 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, R:gqmvboflzv)15 q8k7d; jn 4a2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 diss1vdkj)qa b;l 8q4vo75 nf :mzgipates 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 i( auxf9tsjix0uq3 w;x*)siqh1,g 8wws rated 1200 watts and 120 volts. What is the maximum value of the current under these con xqu8 xw;iusiq s9wx),t(a1g j3*hfw0 ditions?

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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 lrta of*hq6 1(wightbulb designed to operate at 120 voltq w6otf1ra h(*s?

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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 resistor thtxqu10a:gk ;h*z62s+we x sbhat is dissipating 36 watts o kqhsx:h2eax6s1 *+ t;z0ubw gf 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 clothes is marked "120 vom7ua sar1jo: 9rfuf :*epru (5 54yoxqlt, 600 watt.” In normal use, the current in5:q uo9 1amer u7*jps ( 45yrafrxfo:u 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 pa 6lb6 /+jihlfsde / /7q/bbtwroduced by a circuit containing only three idebb l/ f7sj6ea/l/id+bt h/q w6ntical 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 j*,xx8o iln1() ,2az wtfzjgg resistors. Which of the following equivalent resistances CANNOT be produced lo a1 *jxzxwf ),2(z8,ggni jtusing 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 can be connected tog qu;s-r1..8u tk ficcrether in different configurations. If all three resistors are used in a circuit, how cf.rurs- uk .tic8q;1 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 xc lh)frv k4.p97 tg;nP is dissipated in the circuit. How much total power is dissipated in a circuit lpkftv9)rx.cn ;4h g7if 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, pzu*tz (1uth0are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements *h u(uzp0tzt1 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 resistlzi3dc-.8zi d0 g;sl yance of 12Ω when operating at 120 volts. What is the minimum amount of ti l. liigc-zydd;z80s 3me 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 ab+b;i y n.acu, 4 ohm resistor that is dissipating 36 watts ubc,;i+y .b naof 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 +cf;em/p w8vz9an .oi current when connected to 120 volts.vafi.m ;89/z+ onc pew If the price 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 to2. vru* 7ycs-hvcip8*vew-ex keep a 100W lightbulb lit continuously for 1 year at a rate of ccx8 -u.v-r *2p yives*eh7wv $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 results in a*p;5wv rz45wvsj5j ecf3tj(f power of 24.0 W associated with the bulb. Which one of the following choices best represents thf 3wvwvje ;s( *54 frjtczj55pe 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 ug(w 9c25buc0a.i mcr+ o/hv nowns 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 maximui/bc9 a2wc (50ur g m+o.hvnucm 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 batteryvdpi0d +z ;p zdv 7x*g.oihv4, is connected to four resistors to form a simple circuit di ,0xg7+vhp.pz 4zovvd* ;dias 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 resistopmj6s/tn 7edxmg**hnl 70o:- 63:kqbj hix atrs to form a simple circuit as shown to the rig0sg*6i/a mn*n7oqbplmt3hjx ekhdx7j6t::-ht.
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 con +7rw*mp jt*nnnected as shown. With the switch open as shown in the diagram the amme+prn jn* w7t*mter 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 switc::s3:rq 9;k kutk a1s g0cglnlh and three resistors are connected as shown. With the switch open as shown in the dqk :t391lr0 g n;sk:lca u:kgsiagram 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 and three ran3w5 q0oa0 p*j id7mhesistors are connected as shown. With the switch open as shown in the diagr5j0ohdaw 3qi0p7*nmaam 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 :xw ),wd x--++ uk7jiijilrndright, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resistance R. w)j -kd:7 u jnwrxx+ili,-+id


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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 w) kf3j2gpwf4d ,gqbd4ith resi44,gbdg3)q2 fdjfw pkstances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ and $R_3= 2.00Ω$ is


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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
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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.vc do1ezw ,y; five identical resistors connected in a combination series and parallel circuit to a voltage soodc;yv 1.e, zwurce.
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 id-8*g jov0.s sqcqkn2sv)wt(/ ry+af n a combination series an 0sk/cnvqa+ sqso wr 8v)-*j (2tyfgd.d 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 diagraoi3;xbuhcctr 5c,sfh 0 * buckd(-03n m, all of the bulbs are identical. Which bulb will be the brightest?c3n ,bhr0hs d0xo (;ku *5cf3ubccit-


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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 id43as4ie o1e vmj yc05weal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in tc5yj1w0e 3sv4aei4m ohe 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 ammtk-+ht ,j )on4l boiy.eter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.o)nb4h +y,l to tji-k.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, : qi6ybj/ x n3b01gybran ideal ammeter, a switch and three resistors are connec3b:y/0bb1x6yiqr gjnted 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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