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 arm5n s / au5c,rptrdv;am)fe7s f6:v)re connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (stsr7 vda:c pa,s ))un; 5ffme5r/m6vr tarting with the brightest), 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 lightbulbs K, L, M, and N are connected wlwv: -wo2,yvwf/0df in the electrical circuit shown in the accompanying dffwv 2: w /wyvo,-d0wliagram. Rank the current 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 are connected in the electricalbs8 5o5fru -cgzl u+l. circuit shown in the accompanying figure. Bulszc u5 .or+5u8-lglb fb 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, L, M, and /op l/7 o3o;0dnpy mpeN are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following statements is trn m3pd p 7/ooepo;0/ylue?

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 light bulbs each, with a resistance of 10 ohms, are conxa egv .mg(b;gj:(/tb nectta(b.e ;jxgm(:v/ ggbed in a simple electrical 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 each, with a resistance of 10 ohms, ai5tlou(3/q huj:g8 o mre connected in a simple electrical circuit with a switch and a 10 volt batth: o8g tl(q5ju3 /uoimery as shown 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 widu5bdnv.l4p5rtw2b g )l. ml;th zero resistance and four identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket thereby permanently breaking the electrical circuit at that point. Which statement is true of tr ldtup)2 b5d b5m.;lwg.vl4nhe 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 wib lq qt.2c7ke9re of negligible resistance is added to c9kt2eq7q b l.the circuit between points A and B. When this shorting wire is added, bulb #3 goes out. 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 shown, when a shorting wire (no resistance) connects thezb:ca4kv75x2 rfqn/d 6:5xv;xttcf o points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identical and have resistance R. nrf c4dc tb7tz : :26vv/ak5xqxfox;5

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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 lightbulbs are iyzi z3o2u4h)identical. When the switch in the circuit i yi h2)3zizou4s closed illuminating 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 a q1mkdw ytf23mlvq0 k s;k+:4hs shown. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the switch S in the circuit is closed, aside from bulb 2 qmf lm:k ;+ wkt4sd1k0h3vqy#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, the three light bull v;*nsf-2o w xrk/x7ybs have identical resistance, the battery is ideal, afn k7/w*xy -r;vxl2so nd all wires have no resistance. Which one of the following choices 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 lige6ods:h/g 9eb/sg 5mu htbulbs have identical resistance,the battery is ideal and all wires have no resistance. After the switch, S, in the circuit is closed, which one of the following choices correctl9bg/h sos5:ee/mg6duy describes what happens to the magnitude of the current at the point labeled 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 show;-kw ga)f 1lodn has 4 identical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage acdlw-oa k;g1)f ross 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, whn.vhxe*qs*8 ygoxp 5-ich one of the bulbs will not light? .5y*ox hepsv *qxg-n 8

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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 inr 1mde8(n6 cvaz19sle itially I. The switch in the circuit then is closed. Consequec 1r(6s1n8 m9eela vzdntly:

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 lioqx9 i2)uwyk)n+:u 1kq yn 7erght bulbs have identical resistance, 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 light bulbs will be dimmer after the switch is closed? nyuk9x1 )ye:wuq +7kr2 )niq o

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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 l5z cjj+bh0o( lightbulbs have the same resistance. The battery and+0j5h (bjlczo wires have no resistance. What is the proper ranking of the 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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