Electricity and Circuits: Complex Circuits - 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: Complex Circuits

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习题练习：Electricity and Circuits: Complex Circuits

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作者: admin 总分: 18分得分: _____________

答题人: 游客未登录开始时间: 24年08月22日 11:37 切换到: 整卷模式

1#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

94.28: Four identical lightbulbs K, L, M, and N are connected in o1w0 xu/q3 4wdnp ttyn3f :qu2the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest2y3qu d1wptonuw :0n3xq 4f/t), the bulbs are:

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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

98.27: Four identical l on( .+2qzu4j 3kmx(usg6s w9,xwbxrsightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank the curr6kj x w zux2r+u(q4go,s s(msxn. bw93ent through the bulbs.

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

96.37: Four identical lightbulbs K, L, M, and N;a- lpwr3t ;ofq(;fs5m/f zfh are connected in the electrical circuit shown in t/ 5;tlmf (fq; s-f pozwr3;fahhe accompanying figure. Bulb M burns out. Which of the following statements is true?

A. All the lightbulbs go out.

B. Only bulb M goes out.

C. Bulb N goes out but at least one other bulb remains lit.

D. The brightness of bulb N remains the same.

E. Bulb N becomes dimmer but does not go out.

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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

95.32: Four identical lightbulbs K, c)j fkz i7 mp cz)bg:qx+-b.*vL, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which g)q-v k). 7cz*zbbxf+cjm: ipof the following statements is true?

A. All the lightbulbs go out.

B. Only bulb N goes out.

C. Bulb N becomes brighter.

D. The brightness of bulb N remains the same.

E. Bulb N becomes dimmer but does not go out.

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

01.21: Five identical 7up,brt pc-.y** tedv light bulbs each, with a resistance of 10 ohms, are connected in a simple eluyv,r*p dtpt7*. ceb-ectrical circuit with a switch and a 10 volt battery as shown in the diagram below.
The steady current in the above circuit would be closest to which of the following values?

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

01.22: Five identical light bulbs eachmopk 8n;sp9 r8, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as smp;no r89sk8phown in the diagram below.
Which bulb (or bulbs) could burnout without causing other bulbs in the circuit to also go out?

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7#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

04.39: The circuit shown has an ideal ammeter with zero resistance and four 0 5v ta/j3iksc identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket thereby p ackjt /s350viermanently breaking the electrical circuit at that point. Which statement is true of the circuit after removing the bulb?

A. The voltage from B → C increases.

B. The power supplied by the battery increases

C. The voltage across R1 increases.

D. The ammeter reading is unchanged.

E. The bulb R2 maintains the same brightness.

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8#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

05.37: For the circuit shown, a shorting wire v-7ius1. m*m8dreg fqof negligible resistance is added to the circuit between points A and B. When this shorting wire is added, bulb #3 goes o1*s -qrim dm.7ef8g vuut. Which bulbs (all identical) in the circuit brighten?

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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

09.26: For the circuit showi(2lr 9tr u2,klf*re zn, when a shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assumz(r er9ll2fkt * ,2iure that all four bulbs are identical and have resistance R.

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10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

03.35: A circuit is connected as shown. All ;.rpe*8s euvu1 1,iopecv0q t lightbulbs are identical. When the switch in the circuit is closed illu rs1,pute1 opee8civ.0 ;v* quminating bulb #4, which other bulb(s) also become brighter?

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11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

13.38: Five identical light bulbs are connected into a circuit as shown. 93gs3j) hnalf /bw2,cse z/bb All wires are ideal with no resistance, and the ideal battery has emf ξ . When the switch S in the circuit is closed b zh/nb23 bj, s3/s)9alfgecw, aside from bulb #5, which of the other bulbs brighten?

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12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

15.10: For the circuit shown, theoj+ 19q gl9 65gie,cydlwrm /u three light bulbs have identical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choicesylw 5lg9o+19 g jc,mdeu6r /iq correctly identifies the light bulbs that either become dimmer or go out completely when the switch, S, in the circuit is closed?

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13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

15.39: For the circuit shown, the four lightbulbs have identical resistance,the hd 5;r+7m9fi 4jeakfebattery is ideal and all wires have no resistance. After the switch, S, in the circuit is closed, which one of the following choices correctly describes what happens to the magnitude of the current at the point labeleai9je5;f7rdk4emh f+ d P and to the magnitude of the potential difference from Wto X?

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14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

16.31: The circuit shown has 4 identical light bus)bk 9xilbxpy9*b49ep fq -p15nb9gg lbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the eilb9 f9p9gn1yb -)qs49pbgk*x p 5xbvoltage across both bulb #1 and from Q to X?

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15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

07.30: In the following circuit diagram, which one of the bulbs will ndhcb/p8 yh.t9 x5 ,saeot light? 9/ad, b8hy5exhp.tc s

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16#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

07.33: For the circuit shown, the ammeter reading is initially I. The switch i* m*w*2jb 7muwk2nn5y a9bput, oo p3on the circuit then is closed. Consequently: yp*5u2pmbo*bn o* 3m uk,9oj7wt 2wna

A. The ammeter reading decreases.

B. The potential difference between E and F increases.

C. The potential difference between E and F stays the same.

D. Bulb #3 lights up more brightly.

E. The power supplied by the battery decreases.

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17#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

11.38: For the circuit shown, the four light bulbs have identical resistance, ,b+ hin5)n7qzvpfd,i1b yy4tl; xcl2 all wires have zero resistance, and the battery is assumed to be ideal with emf ξ . When the switch, S, in the circuit is closed, a wire of zero resistance is added into the circuit. Which of the lighyq;n,l,+t2bl7 n5i zc1dvhfy)b p4 xi t bulbs will be dimmer after the switch is closed?

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18#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

14.22: For the circuit shown, all three lightbulbs have the same resistangsa 7uod)m38n ce. The battery and wires have no resistance. What is the proper ranking of theadgums3on) 78 bulbs’ brightness?

A. $Bulb 1 = Bulb 2 = Bulb 3$

B. $Bulb 3 < Bulb 2 = Bulb 1$

C. $Bulb 2 < Bulb 1 < Bulb 3$

D. $Bulb 1 = Bulb 2 < Bulb 3$

E. $Bulb 1 = Bulb 3 < Bulb 2$

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