Electricity and Circuits: Resistor - 无忧得胜-网上国际课程 (5edu.win)

?作业考试练习?美国物理杯赛(Physics Bowl)?Electricity and Circuits: Resistor

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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://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://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

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 curre eh vhuld85*.cnt exists in the metal resistor connected to the battery. Which one of the following choices best describes the direction odh8u* .hve lc5f 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 parallel, the_+ (5cqcqulq2q2 ccr 7z________each resistor is+ qq27 c5z ur2cc(lqqc 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 filament wire of a lightbulb causes rf,*7b:bnro d(om ;x gthe filament to become white hot, while the larger wires connx bg;fbdonr mo*:7(r, ected to the lightbulb remain much cooler. This happens because

A. the larger connecting wires have more resistance than the filament.

B. the thin filament has more resistance than the larger connecting wires.

C. the filament wire is not insulated.

D. the current in the filament is greater than that through the connecting wires.

E. the current in the filament is less than that through the connecting wires.

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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. LED imktzxa/ rw;nu2ct.nd*wd-,44mfj4ox ,y- sk s the acronym for which one of the following choic;ddtuakxw,c w-ysf,zr4x j- ntmm k.4n2*/ 4o es?

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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 regu,x) yny-+yksistor has 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. Whx) uyy+y-k, ngat 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 made of the same maeb;g7t1gy8/o cx; yb qterial. Wire II has twice the diameter and twice the length of I. If I ha/t7 bygg ;8q;e1oyxcbs 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 mako)t*p: gz98 dnwt+2 j 3clapeterial but has twice the diameter and half the length of wire X. If wire X has a resistance gtkln:w3 et9)+czpd*aj8p o 2of 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 ha uk2)fja/ j9yks length L and radius r. This piece of material is then drawn so that it is a cylinder wik9)uf yjka /j2th new length 2L. What happens to the resistance of this material because of this process?

A. the resistance is quartered.

B. the resistance is halved.

C. the resistance is unchanged.

D. the resistance is doubled.

E. the resistance is quadrupled.

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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 txudj-++( g ilno make a brighter light bulb. He decides to modifyun-+ix+j (lg d the filament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more light at a given voltage?

A. Increase the resistivity only.

B. Increase the diameter only.

C. Decrease the diameter only.

D. Decrease the diameter and increase the resistivity.

E. Increase the length only.

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

16.07: Three cylindric4pzp) pqph b0 np*kt 91u tb(ge72;wppal resistors are made of the same material. The length and ra024 t pppppkh(*pb;1ne)9z w7bpgtqu dius 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 resistance R, are connected to a bbt6 qg,a agx52oej( d,attery in the followingbad(et x62oa,j g,q5 g 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 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 hase/vp1km /ce 5y.lx;ic internal resistance 10.0 kW and the ammeter has internal resistan5y1/ .kle;xc/mivpc e ce 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 circuit shown to the)o0 oa*so*s)djyc v e4 right. The three bulbs 1, 2, and 3 - repres)04dse*o*so cjy ) voaented 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 circuit at the right. If the currebey k39 nxd,6.kf. hm +lm -.*byzwcxko14jyo nt in all three resistors is equal, which of the following statements must bew x 41d.9fk+hlymbk-* kyxo ,om.n. yejcb63z true?

A. $X, Y, $and $Z$all have equal resistance

B. $X$ and$Y$ have equal resistance

C. $X$ and$Y$ added together have the same resistance as $Z$

D. $X$ and$Y$ each have more resistance than $Z$

E. none of the above 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 revh5ug+4oc/x d;9nhl opresents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bulb (or bg;vc+oh9n5 lx 4 /dhouulbs)
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 true coce* o0;cg;nmsjf 0 uqb )84ogwncerning the simple circuit showng 08wosc;ujc f )qbn*g04;moe where resistors R1, R2 and R3 are have equal resistances?

A. the largest current will pass through R1

B. the voltage across R2 is 5 volts

C. the power dissipated in R3 could be 10 watts

D. if R2 were to burnout, current would still flow through both R1 and R3

E. the net resistance of the circuit is less than R1

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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 connsn41d:,bbfq nected 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 parallel with n :fn,b4sdqb1 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 resistor in 3aoj8/ yfy kq;u;5s .gbah2h1do4 nba 5 seconds bah5nk8fag3j 4 ;yd a qsho2yo.1b;u/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 k)fcckn.bm 0) simple circuit have the same resistance, which would dissipate the)) c kb0kn.cfm greatest power?

A. resistor A

B. resistor B

C. resistor C

D. resistor D

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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 accompar5vv- e:dm:-/me d+)hlo ) lk2nuunv unying circuit diagram, the current through the 6.0 Ω resistor is 1.lvunu-2m:n +e:uv/- ord))l hdvm5ek0 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 jhxrbi9,sb2 f) a(0s min 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 power. What is the vxmr(ab bh, 9s)0ifs j2oltage 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 an5uymr ,s.c 8ccdR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3u,ys rcm cc5.8 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 is rated 1200 watts and 13g6+ s*ucla c f ynz;o2+ypog/20 volts. What is the maximum value of the cuuyszc;+ / po63lgg +a2n*cy forrent 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 resp21th3 c xr8.jl fyvc)istance of a 60 watt lightbulb designed to operate at 120 volt3c 1 xp8l)tvfc2hjr.ys?

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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 dissipatinegwcct/ yjt:(0 .((jijmon6 ag 36 wao0j/wjg.tcyc nj6a: ((m(i t etts 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, 6xftf-:), q oadd/ -cnqc5ybw400 watt.” In normal use, the cur 5f:q 4 dtqwfy)axd, c-cob/-nrent 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 follq;l+m0ped;io;) yxsyt3s;rl owing resistances could NOT be produced by a circuit containing only three i 03;+m l;xy; sq)ydstr;eol pidentical 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 pr e- q(h v)tevk1 3i2ltk8h4h Ω resistors. Which of the following equivalent resistances CANNOT be produced using al(r)hkehpkhlet2iv3t-q v8 41l 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 valuk a8hu8nhgt:8//cae res can be connected together in different configurations. If all three resistors are used in a circuit, how many dif ahg 8e8rn8cau h//kt:ferent 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 diss7spm fgvukn * 3e6teo2):.azw ipated in the circuit. How much total power is dissipated in a circuit if n identical resistf3:. e6ag7o*pntw) zukv e s2mors 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 resisi:cb0w tid7lxj 0.0dwe jt(w1tors, having resistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following st i be 0ljx0 ctdj:7(i01dtwww.atements about the resistances is correct?

A. Both R1 and R2 are greater than 5Ω .

B. Both R1 and R2 are equal to 5Ω .

C. Both R1 and R2 are less than 5Ω .

D. The sum of R1 and R2 is 5Ω .

E. One of the resistances is greater than 5 W, one of the resistances is less than 5 W.

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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 12Ω when opera hrtk0f31gb) pg.8nz /fvj/lyting at 120 volts. What is the minimum amount of time that it would/fvrpnh/ 3.b0 z g)f8ygt1 jlk 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 thrzaf.7- hri*zr ough a 4 ohm resistor that is dissipating 36 wa*aifr. r h7z-ztts 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 connec/sgu* t8)s r)mzc-7fc t ksofd7clx*c71o2uwted to 120 volts. If the price of elec8) rtzfssu- oo7*c)lt2 1fcm c *7xgkucwd s7/tricity 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 likm7ww 3)3 cbccx.er )972 hpyals mtc3ghtbulb lit continuously for 1 year at a rate of 7awry)cp c23l9 )ecb hskx w3m t.mc37$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 4.008 l2llrjp7( ir A through a lightbulb results in a power of 24.0 W associated with 82(7r liplr jlthe 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 a computetl9 og)la4t5xr 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 at the so a9t tl4lx)5gametime?

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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 su(1(cukv *zw bimple circuit a( wzbcu( *u1kvs shown 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 resistors to form a simple circuiu*y6gxq, i;k st as shown to thqk,s;y*6 xgui e 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 ammeterhuo w, ac ti.jp6/6hc8, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammete68ihcj/thc .,owp ua 6r 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 resinft9,r3un1 gmz45ghm pa 7 polr .iug;t1k0b,stors are connected as shown. With the switch open as shown in the diagram the ammeter read5a1l, gn i; rzt9 n047uhgur.tkg3o p,p mm1bfs 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 a *a4q aneqc1 oc+xvo84mmeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampere +4ne1vca 4o8x*aqoqcs.
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 circui*k .kj y(hh).ynub0,nleuj,s t shown to the right, what is the equivalent resistance? Asu.kn.k u0yhlh* (,njb, e)j sysume that all wires are ideal, the 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 of the circuit shown to tw*tk wj2+mie,mvw1 /jhe right with resw *mmjwj+,/k et12iv wistances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 shog6m,fsdo *l,pnnh)j6ws five identical resistors connected in a combination series and parallel circuit to a voltage source sf,j6n* mlnop) 6gd,h.
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 resis,wfq kwa8bnx 5i1m3. quczb)( tors connected in a combination series and parallel circuit to a voltage so,3wam() fb1u zqxbic5kw q8n .urce.
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, al95m sh hjwjese4s7 i :j)li61rl of the bulbs are identical. Which bulb will be the brightestmhl sj9s :wh5 e)i6j4e1jrsi 7?

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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 /fi )jqj7+9xc ep98jpkwn js-switch and three resistors are connected as sho7e +jjsf inq9 /j-cp9p)8jk wxwn. 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 ideal ammeter, a switch and three resistors are conhvs efa,) vt6-nected as shown. With the switch open as shown in the diagram the ammeter read6hae-)t vsv, fs 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 a,bq*qw3n sp m;)j b0nond three resistors are connected as shp,bqn3*js0wq o)nbm; own. 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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