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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 exists9zezl0oq .g4s in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the resig4qo.s 0z9lezstor 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 connecem dpbhq 9r7t)pj-xc i1-( y/vted in parallel, the_________each resistor is the p-v)d/b9r h-cpmq ty xj(7 e1isame.

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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 causez;t(lh4lt3z 4 bx-,fdzqwrh+ s the filament to become white hot, while the t;t44f-h l+hzx3d b, lq(zzwrlarger 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. ( uku1xir3f;3t,95dasg lp;rau; z pkLED is the acronym for which one of the fol;(g9a3r ukr3dpaut l, 5ixz 1;upkf;slowing 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 and cross-t/kx ffa.t (.fsectional 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 Ltt/.kxfa.ff ( . 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 mad nt 6ze)b74x 3ao+tpkfe of the same material. Wire II has twice the diameter and twice the length of I. If I hn txz+43fb ap67e)otk as 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 thejj0ky5pz2zr ; same material but has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y p;k5 2z rzjyj0would 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 r5z,z+c .iz1kv -xfmrqlu eb0 +. This piece of material is then drawn so that it is a cyzle0if+,qr-5u+m .z cv b1z kxlinder with new length 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 Edisoiwt3dqqm 1e(1n 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 light at a gid qtq1ew(3m1iven 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 maducm0 +v )3dy */xedwvqe of the same material. The length and radius of ea+dvduyv qmx)0 we*c/3ch 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, 4ewl3) p/bk i.qebx*a each of resistance 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 resisto/ pb4qwee. )kxl*aib3r.” 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 internas* 9nrxx- cs,pl resistance 10.0 kW ,xsnc9rsx *p- and the ammeter has internal resistance 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 circu3f s:2hlh eam p+xga4n+is k3+it shown to the right. The three bulbs 1, 2, and 3 - represented as resistors in the d3h: a+ssaxpk+i2 n4 eh glmf3+iagram
- 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 thepb.en2x ;;po/ik8d5oa j:ss x right. If the current in all three resistors i 2 /ikba5xn:p.sj8;dxoosep; s 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 composek:0xb +3 yocymqb4h4x d of 5 identica: box3ym 4y0h+c qbxk4l 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 stateya1yh2jx7ch)mn;q /i ments is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equal 2y7chi m1xhanq;) yj/ 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 to a battery. Bulb X ia*9,e-q cr4ezt-e2m .evi:w vsu ih2is 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 tvews.cu ie*v4r2m9 i2iz,he t-a-e q :he 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 identx*5di4 lp4 tt 3-hvzg8vva sg+ified resistor in 5 +dxih g4 4tgptv3vvs8zl- 5a* seconds once the 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 c7t0smr-l9l:mv sd1 wu .v ;gi resistors in the following simple circuit have the same resistance, which would dissipate thr. gcw9 1 7 stvills0m;:vud-me 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 6.0 Ω re,y: 0; bxj4q qh/xpmoysistor is 1.0 A:bx;,/q4xo hjmp q y0y. 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 connb9a nzs)*uib f-z6*mqected in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resi) bmisfn*9zb6 - a*uqzstance 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 in ptueg x1g5+ty l ld*v-3b5e/xnarallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the curre t5n 5d*xtxb -yu+3ell 1e/gvgnt 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. Whatrm 1m3p;y4pta is the maximum value of the current un m tmr;4yppa31der 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 desiffv beo4e5 .ef .sjl6we 8 q;up+ jo1(zdde4)ugned to operate at 120 voltseb4plufwedjfqf 6.e eo 5e+vu)zdo.84 1j;( s?

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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 dissipatt q(d7 1k4,wki -p(ruhvq*pcbing 36 watts ofiq,d wtp b- *(k(k1cqvuh4p7r 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 wat,kxx( tknk-jz.v( zduenue/740x ;met.” In normal use, t .xekz utknn-ek4x,j0; d(e/ 7xvzm(u he 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 produced by a circuit(jym/a8yej7fq;6prk0 7dx x 6xrg n l: containing only three i68qx m7y: j7/xjpf ker6;xd( 0lyrg nadentical 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 thx2u 8h8 ay)gpoe following equivalent resistances CANNOT be produced usyho )8pxa8gu 2ing 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 q bwle sm+*y+;in different configurations. If all three resistors are used in a circuit, how many different values of total resistance *+lemsq+wy;bcan 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 j+tj+-r, mtw2n9.y8h z wl ewiis connected to a battery, a total power P is dissipated in the circuit. How +wyltej wjh -.,8t 2rmn+zi9w 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 par,-k ,p h.iq5hhyg*hw vallel, the equivalent resistance of the combination is 5Ω . Which ,p kghhwvqih5-* ,.y hof 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 35; *i0jvfs.zp9ox h. jmnjvh that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take .no i0h9;s5jh* fv j3jvp .mxzto 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 curr)pjc r pi-i-5hent flows through a 4 ohm resistor that is dissipating 36 watts-c5j -)pirp hi 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 amperebh*kzk w i*n++s of current when connected to 120 volts. If +i kk*n*bzw+h the price 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 it uo:70 fape3-r b alc(jcost to keep a 100W lightbulb lit continuoae3-l of70j(cpr au: busly 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 currl5x1 koanft9. ent 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 resistance of the lig nk.5lx19a tofhtbulb?

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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 ofxba2wtc 2yf5y 2*xsv 7lir tj252k/io a family of six owns a computer rated at 500 watts in a 120 c*t xialr5j2 yikf222s2o/ wtx75b yvV 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 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 simple circui lmn. aou6wj(5t as shown to the righ6om( n .au5lwjt.
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 rekirsu s64 g.rsg3ve/c: r0zs k3 0c+pssistors to form a simple circuit 4 s u.rep vrc:6/sgig3cks s0sz0 +k3ras 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, a switch and three resds4czgpk32pe s,, ee:istors are connected as shown. With the sg4 ek,z p2:eds3 ,epscwitch 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 res3a6dmovdc bobw -f+)9istors are connected as shown. With the switch open as shown bbc6m 9) fw o3v-dado+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 resistorjw jjkio3y) .,9rb8we s are connected as shown. With the switch opeo98)ib,wjew3 r.jk yjn 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 tox zm/i si/e1hgu5ewcs ik720ju1 fa79 the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistan1 ic0eeg1jxsmwzksif 57 u u/i/ah972ce, 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 1ej rv,)hdvjd8h 9,jbshown to the right with resistjhhjj9rdv v ,d8b,1)e ances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 in a combin0lrfde g4s0hgct16 r8ation series and parallel circuit to a voltage4dc0 80h gtlfsre gr61 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 identicals9 n pqabr;fjfc5xo6 bq9a-59 resistors connected in a combination series and parallel cj ; bqax6npr5fo9bcfs 5a99q- ircuit 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 the bulbs are identical. Which p0u hf+yz).ag7gk9g*t y(i u sbulb will be the brigi fg0az.h (7ut)ykyg gp*s+9u htest?


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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 resistor:m 5txjbv6;mvs are connected as shown. With the switch open as shown in the diagram the ammeter readv6tvmmx ;j:b 5s 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 fqiywwf58pis(-7,k n resistors are connected as shown. With the switch open as shown in the diagram the ammeter 5,pn-7kywf8s w fiiq( reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


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教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
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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 thhnzf p;ds 2f:z4qc-0uv.y d)cree resistors are connected as shown. With the switch open as shown iyhqvz4 - c 0. dps:du)fc;fz2nn 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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