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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 i0ve9teg3 d)g tn the metal resistor coeg)t3 9t dve0gnnected 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 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 connected in parallelb56e 4/wag nnlabm ,c+, the_________each resistor is,4wb c 6bla5+nnm/e ag 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 lightbulb causes the fila; k ek;sb.f5akgv / ::svb nl;wpg.vg+ment to become white hot, while the larger wires connected to the lightb5;p fn ls.agvk;kkg:/. :bv;wseb+v gulb 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 ad,dlxt 3 vn*+bh; pxwl)i ee.-re being replaced with LEDs. LED is the acronym for which one of th. ,xn3wdx-)+d;i*bhtpl ele v e 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 ab b+ 5j0(xofumfvj.j 9;, uoemnd cross-sectional area A. It is to be placed into a circuit, but it first must be cut in half so that the ne9oouj+.(fjb uvmj0f,;bxem 5w 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 p)jw,6do )b;hm n8cquxnj: 2n are made of the same material. Wire II has twice the diameter and twice the length of I. If I has resistance R, II npj qc8:j2hunnw d)m6x,o) b;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 diameyx2 .tfqb8ob *ter and half the8 q2btb f.oy*x 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. This j--p7g; og:ccq +z5 hnw hncf2piece of material is then drawn so that it is a cylinder with new length 2L. What happens tonc-hg7zgwc:phcn5-+ j qf2 o; 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+cir0)5np ( ge78j-hqaebz spejfa06 make a brighter light bulb. He decides to modify the fa0hjqnj 0cpf rb ag-5s7ep (i8e+6 z)eilament. How should the filament 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 rec5apyp8f09jm em h-u(sistors are made of the same material. The length and radius of each resise98m-fcp 5 0uh(maypj tor 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 res:.5 y) 8egya)fmvpgy5k k b +ej;.nnraistance R, are 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.agk)a pg:nf5kbyy+. vny5j ee );mr 8 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 in((ho w8nb ws6pternal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.0ws w(8 h(pobn60 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 c d6j7 wlc0eisx7nt:q0 ompound circuit shown to the right. The three bulbs 1, 2, and 3 - represented as resistnqie :xjdw c7s7l060tors 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. oo c) o: 2c5t3*zmywyb ko-ff2If the current in all thre c bytm23yofozo 5-*f2:o c)wke resistors 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 circuit composed of w83nr5pzhqth,w f:7miy o- 2b5 idt w-my,2 f8ho:p 3qnbr7w 5hizentical light 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 statna bgh oqq*a2dsoz5 q.3w0 k1(ements is NOT true concerning the simple circuit shown where resistors R1, R2 and Rh(qs2z3a q1 .0oqgd*okwabn 53 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 andnt 2eo6r1 bin4Y 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 other to the same battery, which one of the following choicnre41bo6n ti2es 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 , b83vzd0bght5 ;cv+m etr9qi in 5 seconds once the circub qt8zgtvcrm +,;3dbhi90v e5it 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 fou(6pvn;( b3 jkb;qg.x o5e el2p/ ipdhllowing simple circuit have the same resistance, wh(eb(b/jn;3; hd6 el piq.uk p25gpxo vich 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*v9s av:s(to 6.0 Ω resistor is 1.0 A. *w(sv avt:9so 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 battk , uchtia+ypt+y4 l ra93ug16ery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissh6t giy9a1 tr aukycl43pu+, +ipates 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 connected in parallel to a batw:t,k gknps/cib +chfv3tkrgk+(vb76,(o 3vtery. Suppose R1 has 2V across it, 6vt+gog ,t+n:733(bhvi k pckbksv(cfkw ,r/ 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 nfd nx(c bk))4and 120 volts. What is the maximum value of the cx(b) ckf 4)ndnurrent 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 lig csvxu;4 )x+erm( boi;htbulb designed to operate at 120 voosi);c+xv4 u;m re (xblts?

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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 flo4vo:2wu d ;1k oiepw3zws through a 4 ohm resistor that is dissipating 36 watts ;v u we43p ow1:dozk2iof 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 irozrz31*mgyonv j j6:w -n used to press clothes is marked "120 volt, 600 watt.” In normal use, the current in ivg -rjnj*3 mz6woyz:1t 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 produ:3+o+nqd exnr ced by a circuit containing only three identica+qxn erno3d +:l 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 of th9 ;b (1a)-c zle w:reuks(svbhe following equivalent resistances CANNOT:rcb (e)9;s(-wl su 1ekvabzh 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 i+s .xj wg1s7b6e wnsg:i9ts3qn different configurations. If all three resistors as.1:7jqge3x+9s6 ssw w gi nbtre 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, a total power P is diss 1 5pzoz9w)qd6dk)tlebm9g c6ip6qz9k ddp z tl)oce1wgm6b)59 ated in the circuit. How much total 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 para4z - f 0-cw/sdk orbbw7r1wu4ellel, the equivalent resistance of the comoe1 ksb-bcrww/ 7dw-r 4f 0u4zbination 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 resistoalt7 6u ef/5.a 3:nqyp z-f92 j1+ luokbonvsance of 12Ω when operating at 120 volts. What is the minimum amount of time th2u6ol:3jkov yo71pfs+l/z-ae5tnu qa n fb.9 at 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 throur()*xadrgsb9- pcjkz 5 vej*eh d: +(ngh a 4 ohm resistor that is dissipating 36 watts of p9egb5rj* xsdn:( (vpar ckejh-)z*+d ower?

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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 connectedu+sodutr e(1 uj64crc s)s9e/s-mq2c to 120 volts. If the price of electricity is/1s9)c+m4sucr e d- t6rouecsj2(us q $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 co;x; r:o5*q tz q4*zbge l.spbkntinuously for 1 year at a rate *xz*qbgkq.e ;zr;sbto4:5p l 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 cuh;x,ie pxq8o.rrent of 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 resisi8 xhxpo,e.q;tance 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 o-2hy bg ghix s)wt2,b0wns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuit protected by a 20 amper hbg)x 0,-bt2w2hgys ie 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 a l) 3nh:m+x ualthx/j:simple circuit as shown to n+h:a xmlhl3)xtj :u /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 fo(lee7c 28agd eys9t: erm a simple circuit as shown to the rid a :2lesgeect9 e8y7(ght.
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 bf7e re ftu-3)7w;h6) mawvje three resistors are connected eej);tmae3r7 bv6fw) f u7-hwas shown. With 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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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 lib:zy3r2d9/ u uvp5eare connected as shown. With the switch open as shownr luzb:u2 5yeivp39/d 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 ammeter, a )x4xdtngh0l g dr20n 5switch and three resistors are connected adg0nt5r x)d hx4 02ngls 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 rigk 1op+pas8/sb rhrlbv1b8) s 4ht, what is the equivalent resistance? Assume that all wir bso48+ skp81pv 1 bh/lars)bres 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 the circuis.1j-- b1vdxtx qxs/m ayo8u3t shown to the right with resistanqm t jobsxuxx3sy/1-a. 1 vd-8ces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 connse h q1x2)xa 2 iir.j1j.vf jldq-rj48ected in a combination series and parallel circuit to a vi ls21rexj hqi .2jaq)d-j84 rv1.jxfoltage 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 shrar ;qfwmz2 d)-+ 1m8 hrbm)ynows five identical resistors connected in a combination series and parallel circuit to a v2+mrm)f) 1 a;rqdbw 8nz-yhrmoltage 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, al 0a uah 7pze27(chzaxmbg0)+xl of the bulbs are identical. Which bulb will be the brightes7z 0 0 aa(xeg )hxcam7b2zhup+t?


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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, a-1mcuvh9 ev(s n ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram s- 91ecvmvuh (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 threeka2 2 6ma)gqp4v1ld-m jyyy/y resistors are connected as sy/24 6d yk)yvqja-am l gp1my2hown. 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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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, nnc*dor c51:xan ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram txc1*:dnoc 5n rhe 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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