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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 et.q)p1c nf9o3t;m vmfxists in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the resistor and th)pnfo; cfmq tt 1v3.9me 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_________6vx)l fqz*son. m.h 5n r*a;ukeach resistoxnu kfaqhn*v r6 .;5*omzs. )lr is 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 vb,s ( :hdg1cma lightbulb causes the filame:b g1 ,cvds(mhnt to become white 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. LED is theo iyum m8riyp1x6bx368 vv49x acronym for which o1pxmyb8 xiy xv8694u v3m o6irne 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 gv/flxe*06qc9,iu q0 9vezyn wraphite 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 vqv9w*u c0n690ly eif,qex z/ 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 are ma jf0 g25cg(s: opjg.wtde of the same material. Wire II has twice the diameter and twice the length of I. If I has resistance R, II has resistaogt. ggf2 w0s5cpj:j (nce

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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 half w3b( h( 58;m) lrhwzf;uqe7bff. f mblthe length of wire X. If wire X has a resistance of R th (u(; )ebzlbwhrblh;m f f87 q3w5f.fmen 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 piece *sx-sm ua/p 2vof material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of this material because of this procuxmsp *s2/v-a ess?

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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 decidesjb f.rg)sa5c : to modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more lig:)cb.rfj gas5ht 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 resis y1ldkt;ae;s ;u-tw8k o80mdhtors are made of the same material. The length and radih1d0u;8 8yes;tt - modkkawl; us 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 battery in aj7 /mdi1t.rx 9 cz*jethe following way: “Two resistors are connected in series. This combination of two resistors is connected in parallelmxi tae7rz j/9j*d.c 1 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 acdz01+v o i bu9esveq*-companying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter +q09szdo-i1 evvb* eu 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 rjv,z. 5 negnh2ight. The three bulbs 1, 2, and 3 - represented as resis ,5zngvj.ne 2htors 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 circuijny pl-zxef-+z54 li)5c8o z shh:ei ,t at the right. If the current in all three resistors is equal, which of the following stazch8zis-x:yz e ) 5 ,4e-i+lfhpnljo5 tements 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 el5ha 0k(vcbsxilb 4b-(ectric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bulb (i-0(hcb5(vs kx bab4 lor 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 t(yy)f.4 t o,j fja.crtaq3 za;rue concerning the simple circuit shown where resistors R1, R2 and R3 are have equaafj(,ct.4or3 f)j;ya yz qat.l 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 andYzop u1 *2mhk)a+q0-7 y5pbf +sygopfavos83u 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 choices best reppk27q- uaso380o*p)fmuy b5+1h oapszf+g vy resents 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 thecyf3 bzb;50h/exihvqai(.e 1 identified resistor in 5 seconds once the circ;vci/e b.xye b h5iqz h031(fauit 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 resi tcn7m/x8au 3u,oaj6 xstors in the following simple circuit have the same r j6t8m/7axu,3 onua cxesistance, 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 dwi /g8x *f hbex9le1q2iagram, the current through the 6.0 Ω resistor is 1.0 A. What is the power supply voltw8fligbex * q29 xh/1eage 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 cokk*m doj1y2 :nnnected in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resi1ky2* jd:mo nkstance 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 connected i u*a;i+pu3getjn: 6k rn parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ωu;6 i3j:gp+ ura *netk, 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 and 120 volts. What is the mlvn8-5do1( xr imf.x wc./rdoaximum value of the current under8 w(vr.xco5.1xd/d olnirm-f 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 6 ci/t 1n5s7qx1w+iusp0 watt lightbulb designed to operate at 120 vi+pxsts/1i51 wcn7 uqolts?

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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 throughv fsk,6kd(*lqd5z8dz a 4 ohm resistor that is dissipating 36 watts of powerq 6,kd vzldkzdsf85(*?

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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 volt, 600 watt.” Insch2w s;fw+ v/ normal ; /s shvw+fw2cuse, 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 z6w arc*h86 mp4hq,itu (in;zbe produced by a circuit containing only three identical 6n*, ct 64m;qh(ip6wu arhzi z8Ω 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 the following equivm; amdzx5h5o r3y* v/ralent resistances CANNOT be produced usinmo5m ah rz *r;yvd5x/3g 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 conr6 2xmja.:i xczz3a, i4 jb6gonected together in different configurations. If all three resistors are used in,mx : z6gorij.c4j ax36a ib2z 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 ba mqu96aknq6d )ttery, a total power P is dissipated in the circudq )6nka uq9m6it. 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 resista as1h0j1s8unzv0*ul ance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resistances is0ju1hnva01* s lu8saz 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 desig4eyv+c2 7c/wufs, ucu e8s5tu ned such that it has a resistance of 12Ω when operating at 120 volv eu cf7+ seu/cy5 ,u4t8cw2usts. 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 currep.81hyb ieqgxh00m. vnt flows through a 4 ohm resistor that is dissipating 36 wa8pbigxy e1mh 0.q0 vh.tts 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 toq- 7(oaihwfdouxiw 900 j;.um 120 volts. If the price of eld i o7wujuoxh9f0iw0-q(am.;ectricity 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 toxq.df3m y/s8 8 ; iaowxiwtb7/ keep a 100W lightbulb lit continuously for 1 year at a rate tixfbiwm3 ;qs/ 8a w/yxo.7d8of $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 qn7 rs-7b:ek8gn8e1fs-ng v xof 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 resistance of the lightbu8 rgfn1:qnev7-8-xkebs s gn7lb?

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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 computer rated atb)cyj2vjb 9r) 500 watts in a 120 V circuit. If all computers are plugged into a single circuit protected by a 20 ampere fusvj 9jcb2ry))be, 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 resiszx(20 f 4+vdn* 7jpwj 7xfiuoptors to form a simple circuit as shown to the rightduxjwxzi(np4jv702o f7 f*+ p.
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 connectekm8p9z7a/zupd4 c j d+d to four resistors to form a simple circuit a 9/mkcp7uj48zd +p zads shown 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 ammeter,lwxn2+a *clb6m mi1t6 a switch and three resistors are connected as shown. With i6tw2clx 1a6+lmn*bmthe 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 ammeteml7;3ky( bxhbry6 e.k r, a switch and three resistors are connected6yym bek(rhl.37k ;bx 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 and three resistors8*xmssu ozy6 q5t9 h3d are connected as shown. With the switch open as shown in the diagram the amme3*hy9xuz8o5sts dm 6qter 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 showeibq m6u 5 mwt;0e7x+n/ic8fen to the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and q7m;x+we ifenbu/t0mi5e6 c 8 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 resist .p(ci l-jg:p uz6)b-aynk9 ogance of the circuit shown to the right with resistan96ycupkpaij n :(.)z o --lbggces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 be p. lla479m7g ma0vmlnptk58nlow shows five identical resistors connected in a combination sp npa4m7n9m k0 a vl8glt5l7.meries 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 sopn0m // ga/blhows five identical resistors connected in a combination serieg n/p0/aomb/ ls and 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 diagram, all of )judog- fl. f-0g (3z.vzahvc the bulbs are identical. Which bulb will be the brightest? c3 .vg .dgh)0zz-( -fvj foaul


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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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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.21: An ideal batte- (x1z7afb- gghp pmb/ry, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads p gmh7/1b(g bza-fx-p 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 w/fgau x+:x.j resistors are connected as shown. With the switch opeg.+ a/uj :xxfwn 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, an ideal ammeter, a switchbs4 1. vmlp+ze (3aex6hg41dkpzloa 0 and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 a e(s0+ la 4 velb6pok1pxzgh13m 4.dzamperes.
When the switch is closed, what would be the current in the circuit?


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