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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 meaeu 1d2v-0j. ntrn- zntal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the resistor and the dir-20z nu j.tav n1-nrdeection 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 1mxjdt l8b9b 524fo lhresistors are connected in parallel, the_________each resistor is theb4l 92 hxd8 51bmtfojl 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 lightbulb causes the kt656xdd: j0fz ;y ljlfilament to become w;k 0d 6 zjyxltld65f:jhite hot, while 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 replaced with LEDs. LEk9uf0(p ewub3)3 .ef5vyp .v jnto,lnD is the acronym ffn3wln.0 5jv(bfeup,ky3 .evpo )ut9or which one of 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 graphit0wwyo9; bg rl qok3 i85t8l4z9+ qvi76cksfjie resistor has length 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 res93z8qqf0+ v8i ki wc l6t9oy7 boj5;4lrgwki sistivity 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 I*p 2-v ln:.n3tlctd cjI are made of the same material. Wire II has twice the diameter and twice the length of cl jvtdc:n2.p-nl*3t 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 t,lows r w4u 3jtsl:2y1h5zgs(he same material but has twice the diameter and half the length of wire X. If wires slsory3 hwu2(l zj,g1:t45w 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 leng/f9tv bm*27uan/ w losth L and radius r. 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 becaus*/ bnaom2vts f7w9/lue 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 decides5lswm-9ri7:)) en 4y nx hmkvx to modify the filament. How should the filament of a lightbulb be modifiehx4mw 7y)) rlnkev:xm5i9 n-sd 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 o 1mj2 zo3dxwh4f the same material. The length and radius of each resih4j32 d1xw zmostor 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 dqq0m0qb9zc6; sf wgjeb1 ;:yto a battery in the following way: “Two resistors are connected in series. This combination of twosec6 g qm :jq dywz9f;10b;bq0 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 v ;zx;u.0egyv internal resistance 10.0 k.g u; v0y;ezvxW 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.zs8h13klcuht/ x7n*l The three bulbs 1, 2, and 3 - represented as resistoz1u 7lns83xlc hh/t* krs 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 circui8 /fo4suu8cxtt at the right. If the current in all three resistors is equal, which of the following 48oxcsf/ t8 uustatements 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 composed of zt33sjt5k,,,ov gt y0j/aa n s5 identical lighk s5ttos0j 3vna,,3/t yzag ,jt bulbs and 2 flashlight cells. 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 sw z/pcz 3fe-z6 qtjl68tatements is NOT true concerning the simple circuit shown where resistorsl36j zptcz-qf/z8 ew6 R1, R2 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 /au m.rhwt(;mconnected in series to a battery. Bulb X is brighter than bulb Y. Assume amu;. t m/wh(rall 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 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 throuax78ypaa ,h3mm5a ;kr gh the identified resistor in ,mr8h5apakxm aa3y;7 5 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 inw4cjqv4 w rh4jrzul(v 9 ,3)u6 -levwq the following simple circuit have the same resista9 z4 v6 ,wljuhjl wqcveq-)3(v 44rrwunce, 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 the 6.0 Ω rz6pkatq9 bruy g .;4d+esistor is 1.0 A. What is the power supp 9pkzgd.q6+ y 4ur;tably 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 nfexk um4ku8e8,fof-r,ez2) in series to a battery. Suppose Rf em,2reuexf )8z8o- n,kku4f1 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 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 resistoru 6x06db tdyx+s R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the current in 6x+6dyb d0 xtuR3?

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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 raxfh gax5 0v l1y3dg(a3ted 1200 watts and 120 volts. What is the maximum value of thefahvl (3xgay13x5 0 dg 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 lightbul84v fx* fk;l)-iz pk:qowre* lb designed to operate at 120 vol8qwklev;ik):opl4z* * f rf x-ts?

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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 that is dissipatinge(whvc jlo 5ahi ,t n9i)69ww. 36 wattso5tw9(a.9w6vh n)j lc iei, wh of 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 prj-.:zs k4 9d 3fdwhseaess clothes is marked "120 volt, 600 watt.” In normal use, the currsjfhdz:3k . 4w asd-e9ent 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 bvr/vc* -;y*esec znof5pj/*u e produced by a circuit containing only three e pu*cjzv /e; 5srcn-/ **fovyidentical 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 o9ig,t+yk a z1n 1 zuz* 0jni/zkx naja2t(-w2yf the following equivalent resistances CAnu1ja t20zazny(x- ia2gyt, z/zj*9i+ nk1kwNNOT 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 of different values can be connected together in diffe33esm;bjc kijyu h+iq. 3uf1 6rent configurations. is3j313c 6b ymq+.j;kuefhiu 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 c34uhap 8pb+ phonnected 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 usb3p 4+uh8a pphing 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 paral 9a3llp /gl7ebn )8btvlel, the equivalent resistance of the combination is 5Ω . Which of the following statements about lv9bn8eg)/l tp 73lba 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 +c 5g3o7h 8luw ewdvb61lcs 3fax,)eudesigned such that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take tows u)xv l 6h5f 3eeba,wo+7c18d gu3lc 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 dissipyut6gumw , hl vrq338p :;wq9yating 36 watts u,rv8yp63: qyhg q93u; wtwmlof 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 curren3y(7 jixs (wvzt when connected to 120 volts.i(7(zjvsyw3 x 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 d th2di2i4 6 osk7:iroit cost to keep a 100W lightbulb lit continuously fork2dsir ti :24d76h oio 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 k3 j8qtm4n4a p4.00 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents themkqnt4p 4j3 a8 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 at ( dbhrk6k02s family of six owns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuit protected by a 20r t d(20bshkk6 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 tqfa9 0h yba9uo1, en,ao four resistors to form a simple circuit as shown to the right. 9 b eo9ahu ,,yn1aqa0f
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 for:l1,tzc*soc k lo8+xjelk3f(m a simple circuit as shown to t,kx 8+o3ll s ( e1*ztj:fkcolche 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 ideafor 2elk/g6i ww5kh o;ayz .-/l ammeter, a switch and three resistors are connected as shown. With the switch open as shown i; ogf5hl.k aowk6-ri 2zw /e/yn 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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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 knk y8xzs:;/b and three resistors are connectzbxs ;ky:/ 8kned as shown. With 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 battery, an ideal amme6q s;goe ei/t3ter, a switch and three resistors are connected as shown. With the switch open as shown so6;t /egqie3 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 the equivalent resistance? e6bmumggr: /9z+ :cwm4:ekz fl y+lj / Assume that all wires are ideal, the battery has no internal resiwe: fk+ mlgl/4 b:/ur6+: 9zeczgymjmstance, 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 m4) ufr eybc)k80vmk+ right with resistances)v+fce 8mm)ybu 4k kr0 $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 connected intd9 k31 b1fjdqamj k 4j)g:kjx+i,3mq a combination series and parallel circuit to a voltajfjd +3 1mqbmq jk dxt,i3 1kka:)9g4jge 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 resistors connectso+e(rhf g 7r(o .x;tped in a combination series and parallel c+7(s(fheoox.pr r ;gt ircuit 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. Whiwjvbtr u l :(0(qt,q7ich bulb will be the brigb0 j(twrui t:l(7vq,q htest?


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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, as r1y0zav2r-0 t bjh-yyg 8o+un ideal ammeter, a switch and three resistors are connected as shown. Whbtg rzua1y0v2sjy or-0 y-+8 ith the switch 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 ammeter, a switch and three resistors are con 3tocvy4n4nqd* w3 cw9c yr9.nnected as shown. With the switch open as shown in the diagram the ammeter reads 2. dnnocqyvc.c 94*33y t 94nwrw0 amperes.
With the switch open, what must be the voltage supplied by the battery?


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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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50#
 
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/mqg khli4n) h+3x(ra switch and three resistors are connected as shown. Waq/n x)lhk3rm 4g+ih (ith 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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    总分:50分 及格:30分 时间:不限时
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