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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(zegaqg r1 x t:f1cgd-t .k/l:wa+m-t, an electric current exists in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the re1egcq m+-ak1gw -:r/.d:gtxtz l(a tfsistor 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 parallel, the_________each resphiexvg62yk 0 cm j-edu(*-z; istor is thguy6 k 0 ;-mcp*-dzie2(jxehve 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 ca6 q7l eaqzg0p0uses the filament to become white hot, while the larger wires connected to t60q elgap z7q0he 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 +.3 i89ukvtz tmad- ;f tu9adsbeing replaced with LEDs. LED is the acronym for which d9mi3tuv+asdz.a 9 k-ut 8;tf 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 graphite yk75e)ac+a8rb0an*kwpdn 6zc0(c t zresistor 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 rea zcb 56pwk n a(7 *natkcre08)z0+dcysistivity 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 twicexb:rd:l()kqlc,j w3u:zyth - the diameter and twice the length of I. If I has resistance R, II has resistanc):h,z cyl :ubkrx :3-wtld j(qe

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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 materia mv0kq/0mz. dbl but has twice the diameter and half the length of wire m.zdbqk/v 0m0 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 adca xqi:)p0ivhpp/) k6v5/ z25 sm iarnd 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 mp /i i0xd/p5khs6mrvi q)v5 )2:czapaaterial 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 dvr3;w 2lf-,wlih1z/px tey+a ecides to modify the filament. How should the filament of a lightbulb be modified in or/ 3il z-x+fh2;lywvp tr,we 1ader 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 materiafu)q ;ld2n1i8x:obme l. The length and rq;efd: b2o m l1xniu)8adius 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 connecte o+k 6)se)tfskprnp 18d to a battery in the following way: “Two resistors are connected in seroknset16))rs p p+8fkies. 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 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 diagra 1,yj7-js qpqxlap8l 8m has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter reading is mostsp8p ,q ja- yxlj87q1l 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 co;wiyltein8; od;w13 fmpound circuit shown to the right. The three bulbs 1, 2, and 3 - representedw1if3 8niy;tw;el o ;d 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 thutqzz bx(2 n51e current in all tht5nxz(bz q12u ree 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 representsj2/+4kjar-t yqlt/ 6zebnkp . a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Wltkj.jnz+ - /rqek ypb2 a4/6thich 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 true concerning the simple onr0 4 - 7srjbwrcs)2scircuit showrr)-b4s7rwss cn2oj0 n where resistors 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 connected in series tv*wof c54l 0gso a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal.s45 wl*v0gofc 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 coulombpckmcphi .j-r6 jkh/ubc+:x 96e1 h 4ms will pass through the identified resistor in 5 seconds once the circ/ckb 49:u6-epk1 .hxhiccrmjh +jp6m uit 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 f(9fy+q3/4xf bz -uipy bg tv-rollowing simple circuit have the same resistance, which would dissipate the greatest z-+b4 3qu-tx9ifyybgfv/ ( pr 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 currecz; + ifrbpd55nt through the 6.0 Ω resistor is 1.0 A. What is the powerb+ ;zfric5 5dp 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 i kg(pqm/s 2;hpna-hol- d(0w wn series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistanc( pankg- l hdw/ qw0(hp2m;o-se 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 resistors R1, R2 andR3 are co g t-,r4mu5etveda ra86n7 x;snnected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipate 4 ,tdv8r-tn s;eaxg r75umea6s 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 vun3wrd:o2cyb7 iw*d,w) w y d7olts. What is the maximum value of the : w 7 ,*uwrncyw7ob) wyid3d2dcurrent 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 rkxkli /m y/u3e6psvz b ,jl(.4esistance of a 60 watt lightbulb designed to operate at 120 voltl4( muvk, x b.6isepl j/zyk/3s?

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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 xv:jnx9y oy4d 3xj;9k through a 4 ohm resistor that is dissipating 36 watts of powxdxn ;4x o jk3vyj:y99er?

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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 "12 zj n .7w)e.xeo4n0sjo0 volt, 600 watt.” In normox ws 0jen .)7eo.zj4nal use, the 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 NOT be 6qpu/ yzp4 ;71 vfzoty/w c;feproduced by a circuit containing only 1e6/czqof zvw4pu fyyp7;;/tthree 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 t9pdu,ob(po.b: pd* ytssc u 5)hree 1.0 Ω resistors. Which of the following equivalent resistances CANNOT be produced using all three resistors?d(p u, upb) ptbcyod :os5*.s9

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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 valux,: z+1v:hdlbdo pi9xu w,b 0bw4:fue es can be connected together in different configurations. If all three resistors are used in a circuit, how many different valu :bo:wiv duw:,b, +ef09h 4zpxx1dubles 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 v9wjyc 7d.p8 w)z)ei his dissipated in the circuit. How much total power is dissipated in a circuit if n identical resistors are c8 dw9ewjc)y7 .phiv )zonnected 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 16gp7)6eqq x erxf0 d gdm kd3-jh11rfresistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resist6m1qfhkxddej p 1rx6fdq7rge0 g -1)3ances 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 opucy:;m )qlahnq (3+b serating at 120 vom y+3a(s:nbh;ql)qcu lts. 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 diso 7qjak14(k eysipating 36 wa7a ejq 4koy1(ktts 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 con y6ryq2pgnci16g j4g 3nected to 120 volts. If the price of electricitygycp26jry6g g41 3nq i 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 1/1f) )pr m3de(aak tj)czzcnf;0qh j000W lightbulb lit continuously for 1 year at a ratec0a;qzzc/makd ))he 3tf rfn p0j ()1j 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 lightbulbwx/*/1 kkf psh results in a power of 24.0 W associatewx p/h *s1/kkfd with the bulb. Which one of the following choices 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 of opllh9c :1 +7i)ebfxtsix owns 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, whalcof1xl7h9ei+ t)p: bt 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 resisto m;0 elik:b84gc) +pj kilb)cmrs to form a simple circuit as sh j b0pibl:+mgc;m e))klk 4ci8own 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- 10pw cww.k2pa7 4xtmg* mwjc to form a simple circuit as shown to the right. jw c 4-txpa1.wkmmw207gw*pc
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 thre( qlfp/ v0vyofbwo)lk0e*2h9 e resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.wlpe hloky(/v2v qfo)f*0b0 90 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 az h(nwf5glkz -e,1qs8re connecte z8fl5sw1zh-,eg kn( qd 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 ammeter, a switch andq,d-a azbf*b (8pph*)st ivi8 three resistors are connected as shown. With the switch open as shown in the diagram the ammeter pv*d8 )( 8qh z,ai*ptbbfs-iareads 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,kqpv if,a3b*+a0o+ e 8/uzi aa what is the equivalent resistance? Assume thatiq+zpiafo k8 3b*u/a+0,e av a all wires 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 circuit shown wki 5)fze .i7k+si5g.fghc61ih ie; r to the right with resistan.i5fr +g1i h5z)if ;wikec7e h.6 ksigces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 tn ab,lse t4nf-+83+laealn -in a combination ser-tf n+e4t+lsnb anl l,83- aeaies and parallel 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 resist5*w7 j uqzk /xkb2qfr4ors connected in a combination series and parallel 7krkx* qjq4bw/2fz 5ucircuit to a voltage source.
Which resistor(s) have the greatest rate of energy dissipation?


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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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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.29: In the circuit diagram, *0p6cfm9v4w pxx5p nxall of the bulbs are identical. Which bulb will be the brippxnmv 0x5p* wc946f xghtest?


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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 switch and4nw+o af22zmhc0v oq1 three resistors are connected as shown. With the zfonca2m2o4+q v1wh0switch 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 hph-fps(lo 9u04e. wothree resistors are connected as shown. With the switch open as shown in the fs49 h lwh-upopeo.0( 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 ammeter, a switch and adryy(1( zqm+wrg()h three resistors are conn 1ry(r)(d(qy+zmha gwected 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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    总分:50分 及格:30分 时间:不限时
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