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 lightbulbl 0thxi/qu8vo.6 xksy27k yk2s K, L, M, and N are connected in the electrical circuit shown in the accompanyingl oikh8uk v20 2x.t6x7yq/kys 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, M, and N are cog4 8xn(b5 bnk s,)aqk1a:jcpcnnected in the electrical circuit shown in the accompanyingx aka(gk q,)1:8n c5c4nbps jb 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)f1fjf ,dsyi0o2d v x6, M, and N are connected in the electrical circuit shof2s16oydx,vi f 0d)fjwn in the 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, L, M, and N are connected in the electrixfhkj27b4. ps 4wbnrung : q02cal circuit shown xg2ws7qf nhbb k2:40 .n u4pjrin the accompanying figure. Bulb K burns 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 a resistance of 10 ohms, are con wr5/ 3 4d:d3.qm(ypx4 btjvehiclh+l nected in a simple electrical circuit with 3 q:wd/mhcbyr45l (vx+j.3p lt4ei hda 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, wob jq(dg/ 8zf)ith a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt batte j(zdf8)b/qo gry 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 resistance and fskit.6*lsc3wk tl mjc +:eq) .k )-cbfour identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket thereby permanently breaking the electrical circuik-cqtb kk..l:3*j)s s)t c iewm +c6flt 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 ofz,l3x .tka e g9nj(tagx3 z3o+ negligible resistance is added to the circuit between points A and B. When this shorting wire is added, b+gl.azx3, 3tg9o(jnk tza3 x eulb #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 wq.34 aad s(7b hf9hvhrk/gk .shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identical and have res49d3(.ghrv .afab7hh qkswk/ istance 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. Aqd8.tur tv u 9s1x6 /f)-bdqtlll lightbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, whitd6)1bd 9u8utqrtls x- qvf/.ch 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 circuikvf3nfs,g6;:ota q yngh;9v q 9wj m)/t as shown. All wires are ideal with no resistance, and the ideal battery ha q 3qg:mvjg awhn kf,/; tn)9yf6s;o9vs 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 ligh-f5oc/;90 ujwgi9q t b.vhij kt bulbs have identical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices correccivj9 w/5.hguit 0;9 -kqofjbtly 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 li19pfy .6ffygto( 5ppx (ntfi 1ghtbulbs 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 label foypiftpx(n(.fgp1y61t 95 fed 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 liggfhw, 4fzmi-3ht bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb #hgzffwmi4-, 31 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 on*p.0; kly 2*wb1fnj k oa1rvrf the bulbs will not light? jvbr20y;f*lp1. 1nor *w kk na

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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 s 6r -.nf95wi eofgl:aammeter reading is initially I. The switch in the circuit then is clogf 9l5n :r-e.6f saowised. 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 founc3s0urnai nai51: z 5r light 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 closcza 1us: a0i3inrn5 n5ed?

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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 resista j *y;w1y 94pd0yoghnbdji +3jnce. The battery and wires have no resistance. What is the proper ranking wj1yj4 03dpiyndg*yho +9; j bof 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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