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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 shownhbdfxvb,s7s ((to +g2 , an electric current exists in the metal resistor connect2xfsgs,((t+hv bdob 7ed to the battery. 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 resistors are connected in parallel, the_________each resi82soc (i: wu .hr)h ka(9tk) e0gq.fdd gntk4cstor is the d(gh)k cnkoe f(c2.0w a8 rt4)sqgk.9d ht:iusame.

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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 tqxhfqc6 r1:24kd qm+thin filament wire of a lightbulb causes the filament to become white hhdq2qxkcr6:4 f1tm q+ot, 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 lightx :vc3h:6vd rms are being replaced with LEDs. LED is the acronym for which one m:vvch3:x6 rd 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 resist6mws4 p4t(s z+id-rscor has length L and cross-sectional area A. It is to be placed into a circwrt44cds(6 spz s-i m+uit, 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 wire II are made of the same material. Wire II h84 vzmwv :bs:pa3g gu8as twice the diameter and twice the length of I. 8azbsm:vg3 g48 pv:uwIf 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 thtnomv+ 6 to+m:e same material but has twice the diameter and half the length of wire X.mo vom6t++:nt If wire 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 resistor has length L and radink5vx7 l6: ,5arlod3 ss:ipir us r. This piece of material is then drawn so that it is a r:3ird7oil:spl,ks 55 xn av 6cylinder 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 Edison wantsz*0/tz :( ;7gt m0 chiqkrrras to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to (q*iaz0rr tr; 0 shgtmzc7/k: 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 material7oej+: vkusbyc34 9sz. The length and radiu vs +eys47o3c9kbz :jus 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, eeml,x r/if xcx76r (9qach 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 iemx(xl6 9r i7f/qxr c,s 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 intekewwo3 1odj0+ u2qno:rnal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeterqew2dwo+o o0ju : 1k3n 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 c +k* jo0cr7zg ec86cdlircuit shown to the right. The three bulbs 1, 2, and 3 - represented a8cl07c* jregokzdc+6s 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 current in all8usy zb*rc /70br2vve three resistors is equal, which of the foe*/02crubbvrv 8 sz7 yllowing 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 i ekotg.f8e x3*6 h2eyvdentical light bulbs and 2 flashlight cells. Which bulb 3eeoht 8v*y.2k 6xefg (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 l;wops1* mfsw) zzu4ewf4 )+f statements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equal resistances? luw*mzfp1+ww s so4)f;4 zf)e


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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 conns 1hul 1fc2rgw 4jp:q3ected 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 each other to the same battery, which one of the following choices bessflqp1 23 uw r4c:1jght 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)eouc gx*/pews4 6nl 43tfny7 in 5 seconds once the circuis /wgt* c lnfpunoyex73464)et 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 resistorb cx1.m:4co gls in the following simple circuit have the same resistance, which would dissipatcg1xcbo :m4 .le 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 cu8 ir2uxx3h7mdrrent through the 6.0 Ω resistor is 1.0 A. What iix8uxhd2m3 7 rs 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 ba-/5ppwqij cz 7ttery. 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 i /qjzpp c57w-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 parall*fr;bd 2wd .scel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is th*2db f;w .srcde 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 12d )4gxhx hyq/)u5c*cd -b:9,ryk ijjf0 volts. What is the maximum value of the current under these conditionk)4xh)cib hu-jg x jr:,5df dcyyq/*9s?

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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 designed to operate at 120 ( t/v/+aw9cd; kvo fstvli osj(623 zgj 6sitvsv2 go/wvlk 3( cd9f/;a( o+ztvolts?

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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 36 wao 7wjq:kz1b1 t;nl2 diqj1;b7 :w2 t ki1dolnztts 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 iyb 5:8dnr*rd +nzr62+(zurpxoc ee m*s marked "120 volt, 600 watt.” In normal use, the crupzz+8r dem*:x(e6*r+yon 2 5ndcr b urrent 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 producedks14/j 75hstn g /wnws by a circuit contwkns/twhj7n/ 5g1s4saining only three 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 resistors. Which of the followingfqq . 1 es2ue5df.1pfg equivalent resistances CANNOT be produced using all three res2 eq5g1dq.ffepu .s f1istors?

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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 arde8ue 968dd together in different configurations. If all three resistors are used in a circd9 aue dde8r86uit, 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 is8yyxya4e-k isc.ba yui)uvc3-1 r9 y 5 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 usi.yyv8x9uuc k y aiyb e41csr-3- a5y)ing 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 resi1agm)nujvl3c g)7* t6 il8lnistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements a63)lgni il)*van81 7ug tcmljbout 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 that it has a resistance owp ..a/1jtv;: f,kyoi dwss,3t2mugu f 12Ω when operating at 120 volts. What is the minimum amount23pujgmdt,vai k ;wt:.,yusw fo1. /s 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 tmw9 2nwp 9mss /b*zf-ihat is dissipating 36 watt zmww- 2sfi9ms pn9b*/s 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 connected to 12/ckx3u*cy2; +7zmkbseew n1 o 0 volts.c 3k27by+n1*mouk e;ecsxw/ z If 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 cost to keep a 100W lightbur( i2-k i ,fn0rv9i(ln f0vrpdlb lit continuou v0ir 0n (-fdkipf2il,r(vr9nsly 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 current of 4.00 A through(bn 0 c3y1d(32e l9cm4 et4oivaeymij a lightbulb results in a power of 24.0 W 13t( 9ya4 cimvjnm2l3ode4i0e ecby (associated with 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.es:zy m+k,gs a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuit protectym+e.g ,z:kssed 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 fou p)(xzba o(1wc3hmq -gr resistors to form a simple circuit as shown to the right.(bx)cgmpz (h1o w-3qa
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 circg6gcl8+h0k z suit as shown to 8lkhc6g s0z+ gthe 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 ag8l9e0f;c 2np4iskjottpjg 74 58wexmmeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the s4f 8l59x tcgnp7oi42jwt e;8g0ek jp 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 batteray/vf-f2xi-))l moi cdpa t,/ m16ycsy, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0s,flay /p c)act1m/i6-2)ixdvmy- fo 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 sxyrm1h)sj 6 zt3;fjs)witch and three resistors are connected as shown. With the switch open as shown in the dijy3shj;x)s 6z1)rftm agram 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 t+*i+udw si5d d2/me ol;jx/s bhe right, what is the equivalent resistance? Assume that a; 5 s+m*j//2 udxsli+dod biwell 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 the right with (zic. 18dj:2no14b fum vcgbhfn s0m( resistanccn b d.vif( snb1fj1:(o84uzhg 2m m0ces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 imml ufgb4,o1mlkkg2v /qq-.a6qwy(vi v y. : (n a combination series and a w vq 1lmg (omvk4 2(yki,l:-b u.fyg.v/q6qmparallel 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 fxcjt m megwef7 t/bnr fv84,47q.,3em.x dpq0ive identical resistors connected in a combination series and parall34v.ef, 8nq, mf e.d07t pbe7jxtx m rq4/wmgcel 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 ofcdcw j/am.pib5 ;hz12 the bulbs are identical. Which bulb wib2i ./aj cw5mcpz hd;1ll 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 swit2a,6 su( cwkl hb-:gcich and three resistors are connected as shown. With the switch openg:i( c6uwbcsh- kla, 2 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 consa4kt i 9ot7mnz1 -9hpnected as shown. With the switch open as showo a1h49- n7ms9tt ikzpn 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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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 thxir;j m85, bxvree resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 8 vim,xbx;j5r amperes.
When the switch is closed, what would be the current in the circuit?


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