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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 cu:2;zw r epfj gh9b/nmp9cg62errent exists in the metal resistor connected to the battery. Which one of the following chopn2hg6wc gz/;:ebprfm 9j2e9 ices 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 parallel, the_________*fk( jlp;4w qreach resistor (lpq w;4rfkj*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 thr/gvwf 4tzlu8qp94ng 1ough the thin filament wire of a lightbulb causes the filament to become white hot, while the larger wires connectel1 uv9ggp8zn4f t4w/q d 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(q yse*7h9apagi9 0ry being replaced with LEDs. LED is the acronym for which one of the foll0qha9era9 i7y*p sg( yowing 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 an - aqf/zk;jk3xd 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 i3k/fx;ja -zqk s 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 made of the same material. Wire II has twice stype i:2(9hoxxeq 9d;xw9r8the diameter and twice t:9x(9ywo2esdxh; rp8 e t9xqihe length of 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 the same material but has twice the diameter 7 1jndp2que9band half the length of wire X. If wire X has a resistance o71due9qnjpb 2 f 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 radiufotzj ,.pn(bd1wsmkvx2.+k 7jc 9k a/s r. This piece of material is then drawn so that it is a cylinder with new length 2Lzc ok+ak1,/k t 2njwjfbv.9.d sp(xm7. 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 Edisc .1 0o rl,d+hzq/ivlnon wants to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more lightzdvl, 1hi 0+c.qnrlo/ 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 madeb e+rl y8rh)g2 8vlg6t of the same material. The length and radiu6 rgy2 )t 8blg8rh+evls 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 connectedz, 6 y.nxlvn(l0*iedg to a battery in the following way: “Two resistolyg*, ez.0iv(6l nn dxrs 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 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 acc7kzwsrq:-v)*3vsg gwompanying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resis3*zwvw-v ):r qg7g ssktance 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. The thre p*zrtw rs2c;*af2*bhah7t*t e bulbs 1, 2, and 3 - represented as resistorrfa7h* r ;wh2ta*2pb **tzc tss 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 electri qdex:6oly4f4)hw ;j6lbc2 hgcal circuit at the right. If the current in all three resistors is equal, which of the following statements mulohw4g l24 x:; e66fyh)dq jcbst 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 simpl-/ dgh/byu rz3owcw/( 8p9ps+ h:r znxe electric circuit composed of 5 identical light bulbs and 2 flashlightp+ 3 /wc-x z8h/gy:urobnz(dhs/pw 9r 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 stabei(jks jmfks* ur9cwc ,)606tements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equal resistances? u0 ,jf9wjme66rscc *i)(kkbs


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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 c2e/( qngdh n8gcjudy:aqch 2,. )zsp )onnected 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 represents what is obser cz:he (,/a q8ju.)dhqpd2ggsn c2y) nved?


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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 throu n4b7gp zb)d 7gb5c,wsgh the identified resistor in 5 seconds once the circuit was c75g ,dwcb b zgbn7s4)plosed?


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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 )m,s 7n-msr nfcircuit have the same resistance, which wos7nr,ms fnm-)uld 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 thro3f+j h+ ok9c xa)ldpi;ugh the 6.0 Ω resistor is 1.0 A. What is the pol9j p+fkx+doh;) ia3 cwer 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 resistorsupumoil w:gk6t98h) ; R1, R2, and R3 are connected in series 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 the)ui6hk ;g8:uwm lot9 p 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 para8-k/ujktuu3 n0ox ln)llel to a batterk3l80o njxkt/uun)-u y. Suppose R1 has 2V across it, 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 and 120 volts. What is the maximkzn)egm*b88) e 3dpavum value of the current uvpk)e88)g3 d az*bm ennder 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 lightbulb designed to ope 1m9pk/ix1* ,hng eog:5v) hargan*qvrate at 120 volts:qgn )pn/o1maia hvv 9kx *15 *r,ehgg?

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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 dissipating 36 0c-n :ao.ctu2wgqj4rwatts of g.2cn4cjao:tq -0wu rpower?

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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. zn:if w; c2z b;wj)9kr(dwjj7” In normal use, the currenr) cf9 27wn(;z zjwkbd ;ij:jwt 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 cou n;uajh) val p95f3e*,tfy sv2ld NOT be produced by a circuit containuyj2a ,f9 n5av)t v*el h;3psfing only three 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 three 1.0 Ω resistors. Which of the following equi;0dxvve+o *m *yphx +xvalent resistances CANNOT be produced using all three resisth m*x0xp++xdye*ov;v ors?

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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 valuebb2s .+,a1jruu7gjxn s can be connected together in different configurations. If all three+ubax17.s2j nrj,ug b 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 connected to a battery, a tod, 6 tg 9ci6m*qy of+onm,p(hqtal power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identqm*fdm6o+96p hy t,incq,( ogical 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 resistancyb95b to oksi stp*m cvq4p/e/. +vs79e R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of th/tovp9.4*sce/+ v p95 tibmsqyobk7se 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 resistancy3sdl1)fl 5)adxnx *h0c t3h8ks z jp6e of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warmj3s dly5n0axsh lx6 3tzhk1dfp*) )8c 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 curren1vs 62ycke,w gqijt 6)t flows through a 4 ohm resistor that is dissipating 36 watts of powerv ),si2tyecwjg1 6qk6?

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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 ag2ncklel9gilbui , -x,v .v; ;mperes of current when connected to 120 volts. If the price of electx9ben.;, ;g u2ic gvikvl-l,lricity 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 lilp-68bjgeq / vt continuously for 1 year at a rate o pge/bj8-q 6lvf $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 lightes5j 2kcnh 6 i(ktkq, 38a-jyrbulb results in a power of 24.0 W associated with the bulb. Whj6-n 8esk h3aiky(q ,c5rk2tjich 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 six owns a compzp tn542j2z (rnewi.r uter 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 numz .22 5zet(wjr ni4nrpber 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 am*gr:- n prg7w501vbzod at /s simple circuit as shown to the 07/1nva gpr5mtrgs*d:bwo -z 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 resistzy36o3/ nk 8 icnfzz4qcr)yd6ors to form a simple circuit as3c)6nn6kz4 zrdiqfyoy z38/ c 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 amm.q 1ly*vq5hue vpi 1t2eter, a switch and three resistors are connected as shown. With the switch open as shownt e.1p1i5q qv*huv2yl 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 ide +.fy ei/c2mwi aar4h6al ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperi y aw2fra4 e+/hc6.imes.
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 / .z7 mxkl1w b/hse8-wsbm*5jy5m herresistors are connected as shown. With the switch open as shown in the diagram the a- 8xyrs 5*/l1b mjeh. we /k7sbwm5hmzmmeter 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 oqc2nc /k /ml:right, what is the equivalent resistance? Assume that all wires are ideal, the battemoc:/ /nkc2l qry 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 resist9l,kky xjlx.7. ;kmgr4 9wgorance of the circuit shown to the right with resistanclr l9gyx.ko,wk7j;9 gr. mkx 4es $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 resistow)qi ogm 0rd0* olwr*2rs connected in a combination series ard mgl0 owirq)*2 wo*0nd 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 resistors5*lpu+ gsi t,-pcaqu/ connected in a combinatioqplc p t+u-iu, ags5*/n series 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 circuimh-i zo2l63caelrmd ;szdev/8z b ..)t diagram, all of the bulbs are identical. Which bulb will be the .vro.)lc6iez -bz s2/dhm8e3; mda zl 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 ammeter, a switch and three res.di n+ s qaf*1v/ll9axistors are connected as shown. With the switch open as shown in the diagram the ammeter rad xl*al+sfq .9i1 n/veads 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 2l8)) 29gzovzaut 7hgc blexg/w6+ dkare connected as shown. Wchek o g2g9lz/d6+xg2z) )lavwt78bu ith 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, an ideal ammeter, a switch and three resistors arejrmrvzh x.+16njyi-i vt2z f/e /h42i connected as shown. With the switch open as shown in the diagram the ammeter readt/yh4n.v2jzm2ive/h+ r xzifr- i6j 1s 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


参考答案:    
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