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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 currex.8yvfs7hkmnx9ds prji 0ry-u1 /5s)10 qq t ent exists in the metal resistor connected to the battery. Whichd-i9kxqy)ps8f.1ter / 1rjqxssm0hv5n0 7 uy 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 parallm 3fsiejm0 i 0*tf)gl:el, the_________each resistor is tl)m gsi0f:mfj*ei 30the 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 throu 7244-qj9xjccjnj 2p, .t dvfyoidyqf 0( /sztgh the thin filament wire of a lightbulb causes the filament to become white0t9cnqj cx2f4z2(-,i7j d/fqd 4o j .jytysvp 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 houv2iavw e 0z,u*sehold lights are being replaced with LEDs. LED is the acron 0,wu*iv2za veym for 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 graphite resistor ham*)e k m4zitqvy8r0m. s 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 resistivitimmmyz . 8qev* )tk04ry 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 a;y2,zh o*zpm hre made of the same material. Wire II has twice the diameter and t;hzzh m*2oyp, wice the 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 my9o78eflttk6l*9d7nlj73n8 x ev bgr aterial but has twice the diameter and half the length of wireg7 3l7r7e9vtb o t8kxn9 ll6e8fnjd*y 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. T lp3:2d8ugy.hg ry ,xdhis piece of material is then drawn so that it is a cylinder with new leng:h,dgd3l.pr y2y8ugx th 2L. 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+* cn.n2vujagtzh i2 iiqk1 ;( Edison wants to make a brighter light bulb. He decides to modify the filament. How should the fqu *2.ckha2jiin+1( t gz;ivnilament 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 resistors are made of the same material. The length and z7v es k:55n)u*giryvw 49kbb radius of each 5 gkzsv9u)bv54nrw :bi7eky* 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 gbeb1njwdl-xn g 030h31y uh ;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 connected in series to a fourth resistor.” What is th gybnx-hg3 13nwbjud01e h0l;e 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 0w5rodnmk 6os6(4)ns rvsi c8internal resistance 10.0 kW and the ammeter has internal resistn s4(8on dr w56)6os vrs0kcmiance 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 ciec-n (wsf+l u,oyf5 in;05 xvercuit shown to the right. The three bulbs 1, 2, and 3 - represented as resistors in the diagraysc -n;(0f5nu +ixeeo,wfl 5 vm
- 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 the curre b4tu-dqj*nh:2m 2 oisnt in all three resistors is equal, which of the followutq2h4:2jn imd*b -s oing 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 circuej21-pw q hr (yan*xn2it composed of 5 identic-wejp( *axyn1 r2hq2nal 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 statements ia+7 yp n* we:8wuquvs0:h3ea is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equal r hwes+apa y3:7uuev w:q* i0n8esistances?


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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 to a batteb1zm4el 5b8odry. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are co4z 5emo 1b8lbdnnected 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 through the identified resis z*t8a6gb a dl0npg(y4v 7tmunr 0*dy/tor in 5 seconds once the z00y(avladu8n * b647gtmnyd*tp /gr 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 in the following simple circuit h.-ed )0hyfg9/ycshr*kk y,lu2 ar. fq ave the same resistance, wh-ry0.q9fg2lhkcykdh,s ). u/frya* eich 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 6.06 l, d vl;(,hizqd3kjt Ω resistor is 1.0 A. What is the izq,(6dd lt ;kjv3,hlpower 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 battery. 4- smuxk*3/f zqekij9 Suppose R1 carries a curr*x ji4z- sfk3ku/q9 meent 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 resistors R1, R2 anjp gjcvw()h5st +h(qk * ysf50dR3 are connected in parallel to a battery. Suppose Rkss *fvj( h 5jp(g5q0w c+t)hy1 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 kbnn0l*:k8y mis rated 1200 watts and 120 volts. What is the maximum value of the current under*nb :n8klm 0yk 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 resistkd2 5o 8 wc/6w j33(nkapcrfdnance of a 60 watt lightbulb designed to operate at 120 voop wjadnn2 d wcrck/8fk6335( lts?

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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 dissipatiujwq +ee ty )nm5jn()4ng 36 watn5u qe) 4)wm(jntej+ yts 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 press clothes is marked "120 volt, 600 watt.” In ux3xdsd)i.+p normal use, the current in i+. du 3xixdp)st 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 produced by a circuiptk)t;--9cx+lqnn k t t containip;+x nckt-)knt lqt -9ng 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 followir33g)hzrnm bk9+ 2gbong equivalent 3rbho39 rzm+g2 )bkg nresistances CANNOT 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 .lxqby9zh 4(x different configurations. If all three byxzx .9 hlq4(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 batteryyx/ryi )y4 ofz4mdf+,w6i )qzja + (nw, a total power P is dissipated in the circuit. How mucowwnd+ +,z(q z)rijyxa4y/ y mf)46ifh 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 par+2idj-uo tcg .allel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resistances ic j.g-2tiod+us 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 i7wza ;u wv6e7 pg1g j07:fofrhas a resistance of 12Ω when operating at 120 volts. What is thvo7i gf70:er61jap7;wz fu wge 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 througk-nc, x,1ps-acy 2y qhh a 4 ohm resistor that is dissipating 36 watts of pop 1x,q-kah,2ns yyc -cwer?

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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 9 kt jlh1t2x;cdraws 13 amperes of current when connected to 120 volts. If the prjt1t; lchk9x 2ice 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 i) n4npu *l pu4.bx8h3psbl1k5db gv;bt cost to keep a 100W lightbulb lit continuously lb;n k4p3ubh45pn)1lubdsg b 8*. xvp for 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 4.00 A through n;xj g,s::-b klj t)szal83 hta 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 ligb)-jxl3,n z tl:s jhk;ta :8sghtbulb?

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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 at 500 watts in a 129uxr.v 871nl dhsg07: xrlxjl0 V circuit. If all computers are plugged into a single circuit protected by a 20 ampere fuse, what is the maximum number of the computers can be operxl8xglnj s0vrdh7x17 lu: 9 r.ating 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 zsija:l9(bw,,v8 a orjfk y86resistors to form a simple circuit as sh6k:,lzyb(vs ir,8fa jj98 owa own 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 y4 .kkdg;ga s3resistors to form a simple circuit as s ;34ad.sygkkghown 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, a switch and three resistors are h5vt.af iat +4connected as shown. With the switch opent+4vhafai5 t . 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 batter ( (jz(drn9(3)dh5sabdh ljjry, an ideal ammeter, a switch and three resistors are connected as shown. With the swij hj dj(5(nbhr( r39)zd(dal stch 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 )4obuf au4 36 u5 1ix7wbigvpyand three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperp1o)63 xyuviiugw4bu4b f 5a7es.
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 equivalen/nrvxhu9 5 g9bt resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resistanc/xbuvh5g rn99e 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 .lwr q q nqy6d3nk6y2izod:8 (resistance of the circuit shown to the right with resi3:6yno8 y2lrd .wqik dqq(6nz stances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 iden4su68lkk hd:o tical resistors connected in a combination series and par84:k6 s olkuhdallel 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 resistors connected in a combint7c1 0 em kuu*5-lxcieation series and parallel circuit to a voltage sou ieu- *ulm0kexc5t1c7rce.
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. Whickf 7 h1,idc8xhh bulb willikch,h87x 1d f be the 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 resistors gxuwqxa6 ;yw6ncu 5/:are connected as shown. With the switch open asw/x:5u;6x gy w6q cuan 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 conn7uu9l; ptuq *bzn89ma ected as shown. With the m9 zn8;ul9p7ubaqtu *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 swi2i j-.dm5 3v pzp91dwnaga82kmiok 0m tch and three resistors are connected as shown. With the switch open as shown in the diagram tz9wj2 d km8ang2-mko3i5p0.v aidm1p he ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


参考答案:    
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