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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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 the electrical1/j(tcr+ s xym r7-o:6tekh kl circuit shown in the accompaxrk(tcm+jr7l y o :/- kseht16nying figure. In order of decreasing brightness (starting 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, M7k+ xs/ sivem8, and N are connected in the electrical circuit shown in the accompanying dx mes8svk+/i7 iagram. 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 o7dican-yy.:uju/w,sd( r 7u K, L, M, and N are connected in the electrical circuit shown in the uc (syw.r i -u,/:7doudnajy7accompanying 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, L, M, and N are connecte dds,o* yrblnz ,irvi*)/(bc. xou 4c:d in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the followinsbyrn *xcod r:cbio.id( vzl/4),u ,*g 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 identicalg-tndw i1t0 )ga/ mh-l light bulbs each, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and ag/dtwl1-0ihn -g am)t 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, are conxtfa7t+-0 s utnected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagra t+at7uxt fs0-m 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 fouri:ju5 mzl3d6.g *hii h identical resistance light bulbs which are initially illuminated. A 5ih3 j. hidzul*:m6 igperson removes the bulb R4 from its socket thereby permanently 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 d kr9 af o(+ylqdi/+nbp(nb46wire of negligible resistance is added to the cir/+drnlk(fd4aiq( y nbpo6b9 + cuit 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 snwzk3o sewad6nt25 d+0h7 6jwhown, when a shorting wire (no resistance) connects the points labeled A and B, which of the d6 5hojz6+7d 3nkww0 swaen2tnumbered lightbulbs become brighter? Assume 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. Allsi s;a34h) fzq lightbulbs are identical. When the switch in the circuit is closed illumin zf;)4 i3qssahating 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 shownd mxwe6ze/2y7. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the switch S in the circuit is closed, aside fro/w 7ydme ezx26m 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, the three light bulbs qqf6s-6fuq o3+w r2:/votvu ghave identical resistance, the battery is ideal, and all wires have no resistance. Which one of the followin236qfg+ t o:/qvu- vfowuq6sr g 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 circuitz-bv:i wen,7mouac 0. shown, the four lightbulbs 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 correctly describes what happens to the magnitude of the current at the point labeled P and to the magnitudee: czo7u ,nim-a .wvb0 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 bulbs conkjvd75. pw;f gnlkjvui/w*8- nected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happensj uf7dg.i;vnv/k5-w l kwp8j* to the voltage 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,9gjwrw* 9wza f1 p45wa which one of the bulbs will not light? 5z wp 49wwrfjw*a1ag9

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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 ammem7jeeje1e *w(yka i m7o-,k(fter reading is initially I. The switch in the circuit then is cl1 (w *kjoe i-, jem7m7(eakeyfosed. Consequently:

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 resist./7hqp us1ulmht) xk8ance, 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 add u k81uqpx7mtl .)/hshed into the circuit. Which of the light 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 0b s+bhx6:w/jlvgrrj0 5clt6 three lightbulbs have the same resistance. The battery and wires have no resistancelbjl6r +g/ 0jvsr c05:whbtx 6. 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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