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 tsh3fjr(tka)m55db (g.d 1)v j3elup, L, M, and N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brighb (uvprt33es gm(fht)k5.jd5d)l 1ajtest), 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 lightbulbstca3bm-f) kahfs)l6 + K, L, M, and N are connected in the electrical circuit shown in the accompan fkfb-3l+hm)) c6s ataying diagram. 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 e wd8vq 7 8tx f3,/kdakd(st.oelectrical circuit shown in the accompanying v7t k3t o 8(xadsfqde/w.,8kdfigure. 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 i1g.raru zkk7ubgf;*o2* 6r g mq ;0rinn the electrical circuit shown in the accompanying figure. Bulb K burns6kr* 2iqb;a grkf.guu;r7 g0mz1* ron out. 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 bulbs each, with adw.puy.sk e fdco7k,xw pmr9./9-9cw resistance of 10 ohms, are connected in a simple electrical circuit wxsfmd./wcc9 rpey kd,u.wkw 9p .9o-7ith 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 fe23 t7h kr-mglight bulbs each, with a resistance of 10 ohms, are connected in a simpltf k27mr3 ehg-e electrical circuit 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 ids .s, 7; x:yz (jdfgvfy)0mldtz8y 6wzeal ammeter with 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 the circuit after removing the bulb?:60z;,g j7dy.y ffsdtmv s8) w(x ylzz

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 resistancen9/jh3 qwcz m3 is added to the circ3w qc3jm/ n9zhuit 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 circu +wl 5qh5ln0l7dedgysq6s jt)9z-;nubk , s q-it shown, when a shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that n wq zq,blhlgs d7dt 9kl5 ysn-q5ue06+j-s;) 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. Al-o;v ;vr 0nvrn/z8r*mfbxj(u l lightbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, which other bulb(s) also become brigrj/fv;xv 8n0;r-vm(u r*oz bn hter?

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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.l94)lxvo c d6a 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 #5, which of the oold9) c av6x4lther 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 linxz 0 4xy +pjvlh(pkljl)2j67 ght bulbs have identical resistance, the b0 x(l+lp p6kj7z xyjl)njvh4 2attery 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 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,theph4lsi;ycrsdi7c 5pd-z+q4 . 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 labec sp s7 c5hl y4;ir+d.iz-q4dpled 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 ide7l fgcq1a;-u8 z1fgtgq x3e) xntical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the q-gae;fl) cx 17x3 t1fq8g gzuvoltage 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 ttb34ptx4(ka3ja)f1 z +bd mnimre// qhe bulbs will not light? jd/m43( 3b kra+z b 1/n4mpeqxf) itta

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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, th+v0.s r6jgml se ammeter reading is initially I. The switch in the circuit then is closed. Consequenms 0g6s+j.lr vtly:

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 ligh9 rqt+3 s i9jj6bistv)t 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 s9 6t rjq)+jb93isivt 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 resistance.82fu1wajdno 8ju5 z r6 The batr2jj5n6 zd 1f88uaou wtery 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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