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 electrb1 -p.8y 8n;v ihev.dr dutsq;ical circuit shown in the accompanying figure. In order of decreasing brightness (starting with th.r - duepvt ;nhqb18dvs;iy.8e 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 in the electrical2a:t9-h 4 igg-cg u+rhovd;naxp0t :w circuit shown in the accompanying diagram. Rank the current through the buupd g:v9atx-;+oh-:ht 0gg2n ac 4 iwrlbs.

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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 ar4d01zqhurpeus0: a7 ue connected in the electrical circuit shown in the accompanyingeuh7 d q:suu0a4p01 zr 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 connected in the elmrfu2cnxx62a5 50tj6ur,ql bectrical circuit shown in the accompanying figure. Bulb K burns out.u60jqxurfxlmct 5 5r b 26,2an Which of 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 light bulbsag7 ayi7 g-8cq each, with a resistance of 10 ohms, are connected in a simple el7i q-a7ga8g cyectrical 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 resistan-an +njwowi.-kh;c-p ce of 10 ohms, are connected in a simple electrical circui;-n-+-wiahwp nj k.c ot with a switch and a 10 volt battery 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 with zero resista sca;(cpvarf sgt05 1-nce 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 the circui0 -ava(c cs5 ;1tfrpsgt 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 of negligible resistance is addedt 5 x(s deni+3xtb4x9k to t (i s3dxn+tbt5ekx4x9he 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 the ay (yw-ma0l6)3bor40dfa ytt points labeled A and B, which of yl0faw6 tmrty)0 yoda(3-a4b the numbered 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. All lightbulbs are identic yl+(i0z*8 kp kmt ;r cqfp.d0n1plh.tal. When the switch in the circuit is clos ldim kzp0nlyt ;.fc1*+ r.t80pphq(ked 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 a5xyn:1-s3yy mdz 5lof z4 noj8s shown. All wires are ideal with no resistance, and the ide3-zz8y 4ys ndmx:j1onf y55loal battery has emf ξ . When the switch S in the circuit is closed, 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, the three light /77 -slxurq ppbulbs have identical resistance, the battery is ideal, and 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 closeuxp rl-p 7/q7sd?

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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 identical49m c2m :fpqfr resistance,the battery is ideal and all qmm9fr p2:fc4wires 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 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 hdokj 12.e 3wxsas 4 identical light bulbs connected to an ideal batterjde o3k.sw2 x1y. If bulb #2 were removed leaving an open circuit there, what happens 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 dig2px*7 ksfq a6d,cy ( 0aw,jmqagram, which one of the bulbs will not light? 6,c, yg0a 7wqf mjqd(*2 axpks

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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 circuitw*4fqqf9*c nssc 8h euuh+fq*h(q50:1zbfip shown, the ammeter reading is initially I. The switch in the circuit then is close5q:f ( ep fiqq+1bz0q*4w f9ccsf**8huhsunhd. 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 bulbsp1 az3gpuxeb/) pi;9q: 7ruxg 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 circuirpggxbx 1iq:pze3;uup79a )/t 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?

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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 resistancr9 xfbht6pmt,/ ;-hzze. The pzxfbhtm-9r/ 6 ,t;zh battery and 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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