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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 resr6-*ehlh xem90 rt7- egoji1wistor 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 interior of ttjwrxeo l-*gme-9r6 7hei 0h1he 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, thevoh)m 8aq 2/za_________each resistor is the saq/vao 8)m2 zhame.

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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 a8kc./q 97ohpmw/4rd ndu c m(i lightbulb causes the filament to become white hot, while 8pn. c o(mmkhc9wd4r/qd/i7u the larger 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 rexiuho--wj0dfb+;5 p( t)ce rlplaced with LEDs. LED is the acronym for which one of b; (t 5-)l+ wfceip-0dojxuhrthe 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 a 5wzk bgl5dsukqv:da931 ), d j shyyo5;nl..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 the s5n;9 :wg ydoq3uby)55.sa kl ahv1ddk jz.l,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 Id so) jk7kx9zmu6:e +uI has twice the diameter and twice the length of I. If d+9 mx7zo ):ue6k skujI 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 twice the diameter and hapr2szia*b 9q -lf the length of wire X. If wire X has a resistance of R then wire Y would9 sap2zb -*qir 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 qmz2:4,wfg :e1x3:gwf,oehr vc 8z r jresistor has length L and radius r. This piece of material is then drawn so that it is a cylinder with new length 2L:x, jz4gcgo: ,wr:r m8wf3qee z1v2hf. 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 decidb f,/zd 8hw: xdmi0u-tes to modify the filament. How should the filament of a lightbulb be modifbzwi:/d8 hu0xm -tdf ,ied 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 resistorsj ,ruxj s7 9xpb-lzs)- are made of the same material. The length and radius of 9 ,uj)s-b7sj przxxl-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, ar l:8ual;d o plmli:1v5kqx;ov*tq7: ve connected to a battery in the following way: “Two resistors are connected in series. This combination of two 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 rek;l: uvqv :llql m;1oiad:87o*xt vp5 sistance 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 circm* t/emo :r)zswh+ md2uit diagram has internal resistance 10.0 kW and the ammzdh m*sew:+/2)omtmr eter 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 compoundz p2m .pu9*cy.j ii(-u6zfvsl circuit shown to the right. The three bulbs 1, 2, and 3 - represented spliy i.(vu.fzp-9u czm*26j 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 current i7z7b)5ajtptq n all three 7btqpa 5t7 )jzresistors 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 circuitnpqoe4f )0ar+buz*zo-3jj z . composed of 5 identical light bulbs and 2 flashlight cells. zoqz3ao-*ur.4nj)0zjb+ f pe Which 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 following statements is NOT tr5fs bx x-- ,j7nq5pyrwue concerning the simple circuit shown where resistors R1, R2 and R3 are haven5bx, w7x-sq-pj5rf y 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 m/)j6l 6 12fudg eb:yqujs*/fczwv i0in 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 the same battery, which one of the following choices 0cquf/):ds6*f1 zg6 wb/ em ilju2j yvbest 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 wilifkuh..y *es 7l pass through the identified resistor in 5 seconds once the circuit . i yh7u*.kfes 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 have thk9r34x -sn ;da-ab obse same resistance, which would dissipate tb 4;saa3k-o bx-drsn9he 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 q/ww+ w-r4 n*wxdpof:current through the 6.0 Ω resistor is 1.0 A. What is the power:fww4rqdw pw*n/+o x- 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 w8owx lq(ka+ 9(w orp-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 thewlqk o w(p9 (oxr-a8w+ 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 pa cag hjz81-;p(omzlk 9rallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the curr9mc1pl-zj zog h8; ak(ent 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. W98k3f tqcn*h fhat is the maximum value of the current under these co3n fhfq8c t9*knditions?

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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 60mf fn-gx9y,5mu rf)o 0 watt lightbulb designed to operate at 120 volts? m-)u,r0fygn mxfof59

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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 re0hdkkdm2 rr2:trk u3*sistor that is dissipating 36 watts of pow0 :*d d tukk2rkm32hrrer?

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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 "1sk:ekywkgn22a g 8/.p 20 volt, 600 watt.” In normal use, the curr:2ek.kgsa w yn/g28pkent 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 a cir) pw eyhvn(16bcuit containing only three identical 6Ω resistwh (pv6 b1nye)ors?

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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 threidd/vs36pbg0+3 x4hfpb9f bw e 1.0 Ω resistors. Which of the following equivalent resistances CANNOT be produced using all thddpw3h p 3xb0fs6gib+ bf49 /vree 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 dzq +a584wjw ygb:mk4mifferent values can be connected together in different configurations. If all three resistorswqz 48+ 5ka4mbmw :gyj 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 connected to a battery, y3 repsj*t5; ca total power P is dissipated in the circuit. How much total power is diss rce*sy p5jt;3ipated 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 in4cs+g08 u2hw si k+zna parallel, the equivalent resistance of the combination is 8 ngksz0h4w uiac+2+s5Ω . 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 when o tdtzh d (0o8,4gk6z+yymx 7jrperating at(tkd zdty8mjr6h47oyx0z+g, 120 volts. 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 through a 4 ohm resistor that is dissipating 36 ,vyed g znu*.fe 86h2.0btcnp9;xbo t watts ;p b*86by.cu9 gdee,thv .0 ontfxnz2 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 when connected to 1gu6g2xkr.nz5sd6 u8 t20 volts.n26rd5 x8k g6z gut.us 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 to keep a 100W lightbulb lit cotig qldldvil/ (9rh4,dpj a0lo ;6/+entinuously ;d qi/ g(/d,ipldl6 0r h lv4+9aoeltjfor 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 4.0 6y3 +m 8nbyg,lxhgbpw2qr,z ,0 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 resistanl8 g ,qh2b ynwg3bzy6prx+, ,mce 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 owns a compj+g, +rjh6n 6nkmjecb ;49f fquter 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 maximum number of the compuj4q,k +f+b nrnj9 ;gej h6mf6cters 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 7 8nz5wk/ykfv to form a simple circuit as shown to tvw/kfzk7n5 8 yhe 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 f7s (,*/rscha 5o y;ffx +iqja:focg-n orm a simple circuit as sho+(: 5hfsna/7ycg rsaf-f qoc*; jx,oi wn 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 amml5 2ymsr ,18wb xke/ zj:vsbhagoo8 4/eter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampere5ks, a8joghx1: vzw8y e4rsmo b2bl// s.
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 swi3tp n7pas0)lq tch and three resistors are connected as shown. With the switch open as shown in the diagram the a tqp)lns70 3pammeter 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 resistors are (eox9 t2 xswt dev5l-.connected as showxwdetsvo(2t e95lx .-n. 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 uf 0r. zken+zk,je,u( shown to the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has noz.fue, (0k rzj, +nkue 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 righdvlnsxf14zh) b9:)o txx67 sl.da8 ew t with resis ):9dl. nwxhsvltdbof azx )se8x1746tances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 fi:7ndobaq+1 sza2z q2zve identical resistors connected in a combination series and parala 1aoqzq+7 ds:bz22nz lel 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 /uul etw;nb)m5/x6z wresistors connected in a combination series and parallel circumt; xwnbzw)e6/5/ lu uit 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 ewoifzcpp 2 9-6 -nhcv,*pmh /bulb willz p/- 2inm*9cppechfo6 h-w,v be 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 amme+o5smtw.my -8pr ae:s ter, a switch and three resistors are connected as shown. With the switch open as shown in the d :oasmwe-t5spmr8y. +iagram 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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教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
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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 ammeter, a switcq rpbbo,+*hl 9h and three resistors are connected as shown. With the switch open as shown in the di pb rl+qo,h9*bagram 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 + u.2 dvgney/ku ;a4h.:tdbpcammeter, a switch and three resistors are connected as shown. With the switch open as shown i/.b+g d;u dae.htyn pc4:v2kun 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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    总分:50分 及格:30分 时间:不限时
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