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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://autoconfig.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://autoconfig.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, ai4jb2 +a3gwcau- u92 wxaxdp;n4h )f hn electric current exists in the metal resistor connected to the battery. Which one of the p-) u4 +nji9ah 43ud2hxcaxww f2ba;g 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______1s5ym o:/a - m)qmpx sx,ljy*v___each resis1oqy ps5m x-x)a,/v smm*y: jltor is 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 s msil1*+tw9 ka lightbulb causes the filament to become +1i9*swsl mktwhite 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 being raj eq(e811fuu eplaced with LEDs. LED is the acronym for which one of the following choa8 quf1ue1e(jices?

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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 apahphr6 o)i0 9 ns-myxd) h6.qnd 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. What is the ratioy m)6dp.r- pxqnshah i9)6 0ho 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 j4o -,a eyjyrfpx6d :;of the same material. Wire II has twice the diameter and twice the length of I. If I has resistance R ;yjy f6 ore-a4d,:pjx, 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 the diameter and half 7v * trwb(m0xzthe length of wire X. If wire X has a rbm rzx0(vt7w *esistance 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. This0 da fpf6+*nml piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of this material because of thif lfm*p0n6+a ds 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 waz;l p7+tnuz.vnts to make 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 light at a givz n.pl;+t7 uzven 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 t)mhl2,uur5 wn he same material. The length and radius of h)wmln5 ,u 2rueach 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 battery zu9v qxr;s9m*+ 3wd*3*mz4 pqqtcecm in the following way: “Two resim r3*+*ez4pmxw9qu qz9c3 scd* t;v mqstors 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 bwl228h x 7sggthe accompanying circuit diagram has internal resistance 8sglbw 7 2hg2x10.0 kW and the ammeter has internal resistance 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 cidfc g+ iop(8o3rcuit shown to the right. The three bulbs 1, 2, and 3 - represented as ref +3ogp (cido8sistors 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 elect/*f5z jm+ aw:j + 8xqo7gna(xwdkqb4 xrical circuit at the right. If the current in all three resistors is equal,:7+5awx4j(g8 qknbzfqo/xd m+*wj a x 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 ofrlt+*y;k3* yjyxu5j6 :ubtjl 5 identical light bulbs and 2 flashlight 3;r6 *y5 kjltjyx *uj ubyt+l: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 fonb cp hz,ton;o:dgla+)2 2y c6llowing statements is NOT true concerning the simple circuit shown where resistors R1, R2 and Rc:pb,n6o l;n thzoc)2ay2+gd3 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 1/eb8 p1iy3(krzi8lxwc -rm*jj /jyvg l0qp 4series to a battery. Bulb X is brighter than bulb Y. A pe83yj/l(r-b 01i jqz vyx 48gliwk*m/1 cprjssume 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 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 paco3lco zdk302 )5o 7vt0 x3dxi imwda(ss through the identified resistor in 5 seconds once the circuit was(i2dkxol i73wx5dzv co0 ta 0do3)m c3 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 i) wgn8je9))jjesv t :qn the following simple circuit have the same resistance, which would dissipate the greatest po) eejvn jw9sq j8)t:)gwer?


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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 6.0 Ω yglbpksn4k 3 7qw)7 0hresistor is 1.0 A. What is the power supply vol4blywk0 s gh7n7)3kpqtage 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, R lp j oeo+zg2cw59aj6z0d 07zma93yiw2, and R3 are connected in series to a battery. Suppose R1 carries a current of 2.0 A, R2 haszz9iol 67dzp9oaw 3+mj g05 wjc2y0ea 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 differen*96yh:fvr 1 v cqix+mtt resistors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipatesr ciyx*t: f6qv 9+1hvm 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 120 volts. W (w(:jr-w1r iq itss0ahat is the maximum value of the currr-w (0tiswr( ija:s1 qent 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 of a 60 watt lightbulb designed to operate at 1wd7h; u vde6gw n92qt120 vol7 nvud 92e1;6tqwwhd gts?

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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 nj (0jngj6 )ev:hf+lzwatts jn efjj6+l:(vn 0z)hgof 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 clot8rlbg.3nc6 *w8bbcg h hes is marked "120 volt, 600 watt.” In normal use, the current in itbcnbwc 63h*g .glb88r 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 bee sx8(hn:o zk5*pxi14jbuy8r produced by a circuit containing only three identi8 n1rskjy x(xzh4: *u5oeb ip8cal 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 following equivalo zq /jvf2yt3uhfjx1n6 (vbw .w--*i6i z* oqqent resistances C* jbn6ivwowutx-q*6 f3y /1h .-ji(qqvz2 zfoANNOT 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 different values can be connected together in diffu1 i9*f4s +-o:elc n-akic7 wll7cbfherent configurations. Inw-i9h:f +1la7e *7ksc ucl-4 icbflof all three resistors are used in 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 resist 7+,pzk(l0g bgtk)f uwor is connected to a battery, a total power P is dissipated in the circuit. How much total power is dissipated in a ztpb)f gug,0kw( +kl 7circuit 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 resistors, having resistance R1 and d zhli 3;wgh,(R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of gw d,li ;3hzh(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 that it has a resistamx9a3f) eic *o wogf*4nce of 12Ω when operating at 120 volts.w oi4mcfoeg3*9 )fx a* What is the 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 36 waxfm1 4v *55u3x 4ccqndlbc0 hhtts ofcnx0xq5 h*4f mhc41u b 3vld5c 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;:u :9wqi vvwv6i ia:uw+n/b w-ppo2i connected to 120 volts. If thp u2v /-vwnouwavi:w;i +bwii:pq6:9 e 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 100ipzou- ;yz 38h11d- vf gvz7wtW lightbulb lit continuously; v1w1yu-zfhi vtpd 38-oz zg7 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 a lightbulb results in a pow y1bglxroa7-73ys l9aer of 24.0 W associated with the bulb. Which one o- 9 alo7y3ysxr alg71bf 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 g73-q fqrc)y;7z eezo*r5r nn/tlo0pa family of six owns a computer 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 s7yz*5e lz q)trgn;oqr- e730/opcfrnametime?

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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 conneculuegq3 v x9,6ted to four resistors to form a simple circuit as euuvgxl9 6 ,3qshown 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 battl :p ,ed(rq7rafi9cg+ery is connected to four resistors to form a simple circuit as sh( lcd7gf+irreq,p :a9own to 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 am*m2+o ee 0svrvmeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter +2eeomvs v*0 rreads 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 anadv7ob:w/ iflsk, /k4d three resistors are connected as shown. With the switch open as shown in the diagr47o,:v/f/ kswaldi kbam 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 battery, an ideal ammeter, a switch and three resistt4,h5s jms+vn grk*e +vfq. 8qors are connected as shown. With the switch open as shown in the diagram qh.k e*8t45vsjn m,r+sqv g +fthe 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, what is th nd z)s9+x0af 6zizo;oe equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all thixs 0afnzozzd6);9+o ree 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 s5 g5f7lkakqwn pn8dg:k--l )ehown to the right with resistancesdn w 8 qakn-ggf-kep: )55l7lk $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 e3fab*/-.n jexz0nfkin a combination series and j-n/azx enekf 3b*.f0 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 show 86azab hm v.(gcq7zrj ./h-hcs five identical resistors connected in a combination series and parallel circuit to a voltageqza c6.8m/.hj-h (c agbrv7zh 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 circuit96r+ib , jb4;a t)8blzinot wg diagram, all of the bulbs are identical. Which bulb w)gt6j9a8;4,b lribw ti+obnz ill 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 three resistors are ds -yj 1xv3 ras6kne;tk 2i c6p8zh;0oconnected as shown. With the switch open as shown in the diagram the ammejkc1 y2s o63nzpx;tha ed -;s08kvi6rter 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 w)x4 hps3 cy/vand three resistors are connected as shown. With the switch open as shown in the diagram the ammete3pyhv/4 xs) wcr 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 an-m n vjjk1qh6urm. :h5d three resistors are connected as shown. With the switch open amj:qmu nk1rh56j h- v.s 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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