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习题练习：Electricity and Circuits: 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://autodiscover.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://autodiscover.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: 2026-05-21 08:55    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 et8+e8 x9z bbf( nj0jublectric current exists in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the resistor and the direction (ujbtb+n898z0b jf ex 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_________ea, idcf/5v /cgich resistor is/,c/f i5dcigv 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 aqva +5ay28w nthe thin filament wire of a lightbulb causes the filament towy25vaa 8 +naq become white 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 household lights are bein ougn yna;cn: b zam4w/.+/y3fg replaced with LEDs. LED is the acronym for y;cnn3:wz bao /fam/+ nu.y4gwhich 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 lengthzu if* iq8zy-;e ,+hxm L and cross-sectional area A. It is to be placed into a circuit, but it first must be cut in half so that*xeuf+-i 8 ym i,zqz;h 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 wire II :9d)f8br6eq5 nk cfuyare made of the same material. Wire II has twice the diameteqfr8ukc f 6d:y59b)en r and twice 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 matew3e.tk; (+uut lt 8lscrial but has twice the diameter and half the length of wire X. If wirekuell( 8s;t w.ctt3u+ 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 resistorsosy*hx,/.6*jl7(+bs otkoc+kn plv has length L and radius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resistan ,*v7yhbolk sto.pn/k(ox+ s*scj+6l ce 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 make a brighter light bulb an8 mz)7l*)5x7t;plcgh rr ed. He decides to modify the filament. How should the filament of a lightbulb be)lrd z hanc )e7pm8t*;7r5 glx 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 lengf v5s(grj0a.bg(w0gs th and rj b.sg05(srvga(g 0wfadius 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 res2id-6x.k4q:stm9cscs n-hky istance R, are connected to a battery in the following way: “Two resistors are connected in series. This combination of two resistors is6 c qxc4:ssi. nk2dmkt-y-h 9s 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 diagram2b i,w b rh7 oi29l :)ktc*ril9vcflq9 has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter reading is moif k7clqb:h9i, r 2*lolrt cwb9v)29ist 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 bul su:bezt0 78xkbs 1, 2, and 3 - represented as resistors in thex0 ezku8s 7b:t 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 circuit at the r(e(jmfdd7 h;ub)n)nto4ayvhy 3 v5u2ight. If the current in all three resistors is equal, which of the following stj f (hmv)at2yn35uv b 7enh u(dody;)4atements 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 simk+frzrj :jenui wb8w-5 4t2goh6,tb-ple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bulb (or bulbs)+t nbfz or2jw ,bew6 8kir5j:g tuh4--
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 foffvt)p- lg ,b4z :jw6illowing statements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are havep ftf:lz 4ijg6-w,)vb 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 battery. Bulb X wsbg) d0syyk9 c*j- ,nis brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connect s) -j9g,bnd*cwys0k yed 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 identified9 ep,1 dxf:ddu)s,ok y resistor in 5 seconds once the circuit wasod9sp d)ky,:f d,eu x1 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 followi)nki og (2v fjlb67tc9ng simple circuit have the same resistance, which would dissipate the greatest )klt79bv26ncfji(o gpower?


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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 accompany80vx /d5w dwysing circuit diagram, the current through the 6.0 Ω resistor 8/w 0ysdwv5 dxis 1.0 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 R3 are connected in series to a battery. Supp-* y2s5;uz samjvhi *kose R1 carries a current of 2.0 A, Rhu 2;*jm5-ayk szis *v2 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 connected in parallel to a babro i1/ a vculv32co-mm3,pfh9)gk s1 ttery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the cl auv 3k,shp1 fg2c)-3ob/iom1cvr 9 murrent 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 maximu n g tg f-f(anvz5*vn;b(i6du:m vv-niunfb z;nf t*ag v6(:g(5 dalue of the current under 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 oxmvu 47,,o j q+ry3rkbf a 60 watt lightbulb designed to operate at 120 vo+x u ry,kb om,74jq3rvlts?

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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 oh gvq4y7h98bm c**b6*tfkj anesyld;v2/ sy 1um resistor that is dissipating 36 watts of powerb4*dcqb*u yvnh 297gmely6 /s;v1* st y8ajkf?

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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 v vsv k;f;0:dzxolt, 600 watt.” In normal u0kvxvsz:f ;;dse, the 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 produce9dqr uunjj .p0 x9w7d8d by a circuit containing only three identir78 xwqpu9dn0j9u.j d cal 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. Whi .qda+v4ym.htt (k*qich of the following equivalent resistances CANNOT be produced using alt+q tkdy*aqv .i.m (h4l 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 voo 29fgvxp/bk05ac5m acl*z1alues can be connected together in different configurations. If all three resistors are used in a circuit, how many different values of total resistance can be g 05co/mxpa b2f*a 9kol v15zcproduced?

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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 toc/9d vbpy ef9( 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 using the same battery? Assume the inte9 pb(y/f c9edvrnal 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 ,s al(2bi(h, ztq.kh gk4say-parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about tb i a(-t.,hs y,42gq k(hlazkshe 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 resistance of :oh 3ugf4xs 83asem *f12Ω when operating at 120 volts. What is the3eua m43 x ff:hgoss8* 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 through a 4 ohm resistor that is dissipating 36xk)gu;m lg r7ggvag:):ex0 ,f wattsg 0)ax ::,;krgefgux g7vmg)l 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 amperes of current when conne-xkgd on+w) jme( w7.vcted to 120 volts. If the price of electricity i(w7oeng-) vkd+ mw.jxs $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 lida( 0q34yadd lt continuously for 1 year at a3(ydd la40 daq 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 powoypm.7rg0 4 zr*)qwjv er of 24.0 W associated with the bulb. Which one of the .g*r rvmj7yo 0wz4pq)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 computer rated at 500 watts in44qk-y,9w+k o 5h-aqacomrj q 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 operatin ajqq h4qc y9k,akwoo-m5+r-4g 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 fug jd14krjgp s;:x;)four resistors to form a simple circuit as shown to the right.x)g:4 kg;; sjf1pjurd
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 to form a simp) h7dje:ehb d;le circuit as shown to ed;dh7j b:e)h 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 seza o j;p-f4m4a:lmu+witch and three resistors are connected as shown. With the -a;: fpm+j4 azul4eo mswitch 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 an+xu) 3fv*.yk ;jqygx zd three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0j3gfq zy*)uxk;yv+.x 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 resistors are c(k f+ug bia/z-onnected as shown. With the switch open as shown in the diagram the ammz /k u-+fig(baeter 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 te q;0h ixzk0 0g5gc6dto the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance5h6; d qxitzk00gcg0e , 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 shown ti8qv bl;4l pyp)9wm5m o the right with res)bm;v84w p95ily pm qlistances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 f.pgi/r6 d4)jk b gihmdj7jb-,ive identical resistors connected in a combination series an7d6g,-jji4k/b bg hjp ri.dm )d 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 htus x*.t4ik 3identical resistors connected in a combination series and parallel circuit to a voltage sourc3uhs itx *tk4.e.
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 bgtw0x99hqv+ 2rj, zq * ivhro*ulbs are identical. Which bulzvrv9h o* gjh0wtiq+2 *q,rx9 b will 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 v-d))u asrt- tpf38l6jo+ir vammeter, a switch and three resistors are connected as shown. With the switch open as sh )o+6v s83t)itjvpfrua l--rdown 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 cok; (c2 jcre)5x/ q1aao fslo(bnnected as shown. With the switch open as shown in the diagram the ammeter reads 2. oo1cjc(fea (a5rk/)b s2qx ;l0 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 twb cb1x 9+ztm,hree resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads,wmxc1b +zt9b 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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