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习题练习：.Resistor.
本习题练习试卷来源于无忧得胜-网上国际课程 (https://5edu.win)， 为试卷打印版，您也可以在网站平台(https://mail.5edu.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 527，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://mail.5edu.win/test527.html  教师使用本平台可以抽题组卷或一键复制他人试卷，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。
 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 exists v7xtzfvn++f 2i5:ua(s g huw 5in the metal resistor connected to the bfa nx5fvhz :gv 5+wi7s2t +(uuattery. Which 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 resistoiunl:)zxw. vv5ie* 4wrs are connected in parallel, the_________each resistor is the su wix5e4ivnvw l:*z .)ame.

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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 caus4)oj*prwlwlo h g,v) *es the filament to become white hot, **p wj )log,)4orhlvwwhile 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 lig,o- 82j kwdhx 8bueol1 h-2rjnhts are being replaced with LEDs. LED is the acr u1k8njl-w8-oe2bxo2jr h h,donym 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 has length L and cross-sectional area )qj1idqdex61a *f ,omA. 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 resistivity to the old resisti*,1e a 61mddqq)xo jfivity 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 arz,a kd978p. gglh60ab. tf pple made of the same material. Wire II has twice the diameter and twibagp6p ,za8dkgpf7t.. lhl0 9ce 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 material but has twice 5-g y7v m pw)dbsz0oi;t* /tywthe diameter and half the length of wire X. If wire X has a resistance of R then wire Y would have a resistance o)mgw;v0tt y w7i-z5*dpsy b/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 of materi/jpd3 j+m:sm eal is then drawn so that it is a cylinder with new length 2L. What happens s mjme: /3jpd+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 Edison wants to mam:.bp kh0o*u gke 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 lib *hm.ko:0 pugght 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 andy.h/v 4d f*3;bbgh9al/ e2m+r gbee2n zs dpn3 radius of each ref2 9nrb sdep2z+h*maed 4/3hg/b;vye lg3nb.sistor 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 bat ;up6e 8us-kwezn, hjd1*1 qy bu4pe(ntery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in parallel to a third resistor. This se6nd4ej811hpkunuue,qz; - sp(ey*w b t 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 accbcmm4 cd 78ll)ompanying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter readingc)bd48 7cl lmm 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 three 2p.j4enjt *k3 jtg qn c.:9ogabulbs 1, 2, and 3 - represek3n.j gg *.qpoejtj 24c:tn9a nted 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 c)ug5tgsfz4a,gs6 ws n01brg.ircuit at the right. If the current in all three resistors is equal, which of the following statements must be tru bg)wg s4 1s0gf,56nzrsat.g ue?


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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 electriku6f8h3 qfqb )h.fr+4zg de a1c circuit composed of 5 idenu1qehdhg4zbrf+3ff.6k 8a) q tical 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 is NOT tmqilrlp 6;;2y38ca7pyl; v klrue concerning the simple circuit shown w8r2; ql;lp i6a yl37yvkpmc; lhere 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 an.3el; p.bc l(boqxr (edY 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 paralleob.pc( e3.el;b rl xq(l 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 rt.r/( rjni+uy4 cie3iesistor in 5 seconds once the ciyn(+.3u/r et4ijicir rcuit 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 th 7lbr9 q7+omuh6vy6+.iyrwixp/u : o se resistors in the following simple circuit have the same resistance, which would dissipate the greatesso yy.l7/ui irhbp 6vrwu+x:6qo97+ mt 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 6.0l r6y3:9f2+pyq yp/bmnzg : o3r nhi3z Ω resistor is 1.np y rrh y29zmilyg3n pqofb3 :/63:+z0 A. 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 hi,0i)mqw 5gna:o++y pj2 fxxR3 are connected in series to a battery. Suppose R1 carriesxa0fh p jqgx ,2i+inwm)5 :yo+ a current 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 andR3 are connectevds 2oshno tdg*9fvjf)e1:.6x nk,1dd in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What e)6vhnjf12to.g9skn vs*o x:d, fd1d 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 isg +v; eamx .vx4g)r2pe rated 1200 watts and 120 volts. What is the maximum value of the current vae;me)4.xg r+gpv2xunder 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 c*p4 -zrax)suwatt lightbulb designed to operate at 120 *uzp4- r asc)xvolts?

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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*n c *m6e/ehma lb.d9r flows through a 4 ohm resistor that is dissipating 36 watts 6am m*n*.de9hlr/ecbof 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 marc vog, 6l1w8o2kxw4 fdked "120 volt, 600 watt.” In normal use, the c8wk4cx,2ov 6glwdf 1ourrent 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 hf, bi*) cclxpadc)-+ by a circuit containing only three ident l-)xbdap+chf* cc),iical 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. Wh8ymp7npuz,m- ich of the following equivalent re -z8p7y ,mmnupsistances 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 diff(:3-kctx 7rus qhrl tapt8: )zerent values can be connected together in different configurations. If all three resistors are used ikzartqhc:t8p :u) s l3r-7x(tn 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 resisto uy 5u(6) lj,;yrptthbr is connected to a battery, a total power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identical resistors are connected in series usjl6 pt;uur,hb yy( )t5ing 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 pa(7 :xu y (2 hcnmlj(cuwvn6tbk6 p5jg4rallel, the equivalent resistance of the combination is 5Ω . Which of the following kh2 gl4 :xuum(6bj56p(wn jvyct7(nc 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 iss egu0 11ykf5rjo)lx5 designed such that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would ta flxk51j o1re)0uys5gke 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 tlnq ;e ir/un-q+,0 flwhat is dissipating 36 watts of+/q0nurlw;-neql f i, 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 to *, wfvdysk 04a120 volts. If the prs k 4*y0av,fwdice 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 wouldwy+r 2:vaa5c).zf v sv it cost to keep a 100W lightbulb lit continuously for 52av:vsz yrw.a)vcf+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 jql9tfd v6y(0la vl 0m 4b.pp9A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resistanca v9 p qpl09l0.yvld6tfmjb( 4e 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 zr l fpm uxw 4,luo.iy;v. 38root3/j0computer 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 number of the computers can be operating 0olr3f/.pyuu t; mzl3owvx.4j 8 ,rioat 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 circuiym8n* u bi8 -j;bp;xjyt as shown-py* 8mjxi jn bu;;y8b 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 four2 lirmr8j64smgdl9;7kxr wk 5 g9q wc5 resistors to form a simple circuit as shown to the ric gmr;g 7896 5lqxmrwd 5rwjks94 k2light.
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, acq7wwwdv;gd ;- 7rv2j; zxs c5 switch and three resistors are connected as shown. With the switch open as shown in the dic ; w 7sqzwvd5r2xg;jc -;d7wvagram 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, a5lkud 7 j ga*vt h(ew40 .avwz:m+tme. switch and three resistors are connected as shown. With the switch open as shown i:dv5 (zl+e*ka.wwvamh074. met jugt n 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 batt-pv- 0z q4pwxno:cb pcf8s16ky )oba(ery, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the p(: -ab 61pby k)oowxz 0 qnvs-c8p4cfdiagram 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 to the right, wp lnvqj )-qk7d*5ph4 ), thbyshat is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identicaq5 vd)7pk-qy)tjn*p hl4 s, bhl 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 to the right x f;vp+vqb9cjh+t,( kwith resistak+t ;f9jb(, +vvqcxhpnces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 belos08fdk+ 2gqjv :;txyr w shows five identical resistors connected in a combination series and parallel circuit to a voltage sour 8syg+ fxdk2:qtrvj0; ce.
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 com+jfv3d4 nd)djbination series and parallel circuit to a voltage 3fj+d)d4jdnvsource.
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 ident ,l.zxem*+ htipjt93wc) ;xodical. Which bulb witw3 pthx medxol9)j .;z*,+ci ll 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 threen /jj6jv2, nlc resistors are connected asnj6c, j/vlj 2n shown. With the 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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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an idp s 1b0p3rqwp(lvc)u- eal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diaw( b0pql )s-cp 1rpvu3gram 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 av, 86t -buopybre connected as shown. vuy 8p, t-b6boWith 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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