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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 exists in the metal resis.o+axj etmg+5lv4p7/ atr-zstor connected to the battery. Which one of the following choices best describes the direction of electron flow through. gz4r+ attpeo lx a+7/s5vj-m 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 l3ei.f /p 67d .dkhh:oenyb 8qare connected in parallel, the_________each resistor kde.ody.fhi n /836h7bpql : eis 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 filame gx;b:jhkef- 6nt wire of a lightbulb causes the filament to become white hot, while the larger wires connected to the lightbulb remk b-6jx:ef ;hgain 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 repla khmyt zu5:j/ f 5(2t)mpwjn;mced with LEDs. LED is the acronym for whichu p)/fmt5:wn2yj;tm hz(mjk5 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 A.)p6)79tn diesp5ebc6s *z8j , ekqvgx It is to be b5 pec,td7 89sqepzg) vkj66x) *sneiplaced 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 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 win 8w 1fmc3 oix k2.rx9+g0dbcore II are made of the same material. Wire II has twice the diameter and twice the length of I. If I has resistancxmb+ocxi3 d0k8.c9f gwro 2n 1e 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 hnpd - vsi4a/0gas twice the diameter and half the length of wire X. If wire X has a resistancpi04ag/ s dv-ne 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. This piece ofp; qw51z tm0rh boj55k)ehbyp5:8mnx material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of this material becaump;t0 b58byj rwqnx15ez p:5ok)5hhmse 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 +kucb ;x- 6piiEdison wants to make a brighter light bulb. He decides to mod;k bui6pc-+ix ify the filament. How should the filament 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 leng1ukgnf r0f65e th and radius of each resist6fug1efnr 5 k0or 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 conn)rh3t8bor ) fh7ksr*4+ q rb dpj.n*vq,smh2h ected to a battery in the following way: “Two resistors are connected in series. This combination of two resistors is + q2ornhrf,*)q7.)k8 s4th3h mhpbb v j sdrr*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 accompanying circuit diagram has internal rejppj:yp rg+z9-r) /ah sistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter reading iyp -r jg jrp/)a+:pz9hs 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 bulbs 1, 2, lf,4d-cn8 xoc5g7k vaand 3 - represented as resiso5 c ad8lg7fc k,4xvn-tors 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 electc.7(p e/ ver 4x5lgpmvrical circuit at the right. If the current in all three rl pxp/ 5vv (erg4m7.ceesistors is 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 composed of 5 1w74pixjzmoct/7do 8 identical light bulbs and 2 flashlight cells. Which bulb (or bul/t1 o7zw78 cjix4opmdbs)
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 fog09ap,nq/x 0wm7jpyc llowing statements is NOT true concerning the simple circuit shown where resistors R1, R2 ann, mgj0yap/ 90p c7qxwd 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 andY are connected in series to a batt 8 t qmk26ni6mkl(g-ycery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideall-k t 6ymqk86ig (mnc2. 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 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 mm1sh3) vpqyq,xtg0 4will pass through the identified resistor in 5 sep1m3, m0qgtsv)4 y hqxconds 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 resistors in the following simple circuitqj vvp/ x*qdd/aq 4z63 have the same resistance, wx/6/qqdz v*3pq 4 jadvhich 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 mpa5d j9jssb 9 ycnsb0e+r;*,through the 6.0 Ω resistor is 1.0 A. What is the power supply jspm;b,r9c a0 9 *sndejbys+5voltage 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 conne+ m.bpo xwzonvf e/:eic+7(p 7cted 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 pon:p/ e7+iz+mco(epvb . 7x fwower. 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 resistojoz1q uc5u x*.u;z;errs R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. Weucu.xzju ;zqr1o ; *5hat 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 maximum2j su.s( t+r;pz rddm0 value of the current under these co;mpdrsu.s+zj d t 0(r2nditions?

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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 desmiep6r v,f+pldi q9/1 igned to operate at 120 volts?qi ,6d+f9pi/1v rlemp

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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 n glidrhr6g2w 7,uzo/f 2 -i3b36 wa ngu3-zri7fiw,h/6g rb2d ol2tts 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 ufddyq)p s7 nppx; hxkkq7)5.9sed to press clothes is marked "120 volt, 600 watt.” In normal use, t y;7 pq dd9h.pkxk7)5f)snqxp 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 ci-n6 +) 6nqgwa.sq rgcfrcuit containing only thregnaq 6+fr .q wsc)-g6ne 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 e8 0 oa9;j ev u4ujozgdf1b:(ljuxi rka7,i7 1resistors. Which of the following equivalent resistances CANNOT be produced using all1joz7e ga0j i ovu:d(ufru 9l148bk;jxeia,7 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 b.fr o*+ :ijyp: e,7ijen eou;ie connected together in different configurations. If all three resistors are used in a circ e7y ueji ;:fpi:jore,no.+ *iuit, 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 total power P is dise akge /yv;a7s+)i(xfy);xlcsipatei)x;ea;l 7xf+)ga/cs eyv (kyd in the circuit. 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 resistorxgm*99 qmi 1 1qaq,nvms, having resistance R1 and R2, are connected in parallel, the equivalent resistance of the c 91*na 1q9,vgmixmqmqombination is 5Ω . Which of 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 5v5egwn-gn+o 7 znrg. that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would taknrn g5.ov7 g-wg+5e zne 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 that is diss(mm bq 67ad/elipating 36 watts of pd m (q7b6l/ameower?

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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 12z xt;r p(tial83fvw., i5/rtx 0 volts. If the price or 8 w xli r;.ptavx/fi(tz,t35f 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 cost to keep a 100W lightbulb lit continuo3dgd 0 -dr7j nwg)is)cusly for 1 year))-0r37w dggdj i ncsd 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 a lightbulb results in a power of 24-1xue+t hiaeejr 09a vyjpj-5t 6w( /l.0 W associated 6-0r tlj1/tvae- 9xjph a jueiey+5 (wwith the bulb. Which 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 ao/ w s;fjjjp;9 computer rated at 500 watts in a 120 V circuit. If all computers are plugged into ao w/;;fs9pjjj 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 circx3:/ tttzso d-uit as shown to the rig dxtostt3:/-z ht.
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 resistors x5d k dcnnki(f o7d*38to form a simple circuit as shown to the riknxdcn*fk( 5d 3do87ight.
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 ammetert/e) dt6bd9lu (*f:w* jusmy5 dgd9gx, a switch and three resistors are connected asd(ugj td w*t9 xd/e5sy6dfm)g:l *u 9b 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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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 odo3,29 hkkx5e:bzo aand three resistors are connected as shown. With the switch open as shown in the diagram th,kkd 2 eb93h5x: oozoae 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 amme8nrbczp )*.slter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeterrl *pb8c .z)sn 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 s 1cf8/gvarm5f-qw,w hfh9-bqhown to the right, what is the equivalent resistance? Assume that all wires are ideal, thf ffcqb9q15,hwmgv -w /-8r ahe battery 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 resistance of4d/ 8frfyjl/g+v* / oehu,hrd the circuit shown to the right with resr/*r/l/yfo4,h+ huvdj gf8 ed istances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 rez78)8pjsu oh*mb*:ehvt /b sssistors connected in a combination series and parallel circzpsb78t*/o8:jshu b)sem v *huit 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 combinw+vq y2hd f35cation sdvhq2wy5 c+3feries 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 the bulbs are identicjcm)l7f x dmn d)dqwsvo( (b8 0;om4l-al. Which bulb will 0w(7c modj4dl ds;8) mol)b qnf(x-mvbe 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 resistng8i8e dl7pkpizn6ywp2 -w3l4 rz (k-ors are connected as shown. With the switch opi-6-8w3k pld8rl ynez (z7g k2nwpp4ien 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 ideal ammeter, a switch and three revj:uq x pq;dqt7azg*+ pu, uw5-;o1jgsistors are connected as shown. With15;q-qvjpq7x j w,; *pza+oguu gd:tu 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?


参考答案:    
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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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 swj;oa3ctt+l 4m,jhi 62*bytqn itch and three resistors are connected as showjc+a ;*i,qh42o6t tyj3l tnb mn. With 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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    总分:50分 及格:30分 时间:不限时
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