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 electricpkkh zz2s*k tar8)/i.p q4:dwal circuit shown in the accompanying figure r s42zkd)qai:kwktz/8.p ph*. 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 connected in,. ,de21m 9mql+ig6orip ovaw the electrical circuit shown in the accompanying diagram. mm9orqpi ,62.i al d,we +ogv1Rank 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 electricalt n;89p0hifjm/l iy. w bb5+wl circuit shown in the accompanying figure. Bulb M burns l9iw8n/mfbyijh+b. l0 ;t5wpout. 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 identicald(* 0c+ lghswn jq;qhe.h,8qm lightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following statements is tr (;8.h0jc lnm*q ,s qehq+hwgdue?

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/*cr;kh*n4 g) vs dgnqnected in a simple elect/drn )cng; gk*hqv4s* rical 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 oa z4uqns-02n zf 10 ohms, are connected in a simple electrical -nan u02sz4 zqcircuit 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 u 4atw*w:3 s dzfq5x1(oj0nsh an ideal 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 breh0sntosdz:3q1*4j5 faxw w (uaking 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 wir q 7hy5b5mrd9dbye q k)y3u2,we of negligible resistance is added to the circuit between points A and B. When this dbuqyq y2be,9 yk5dr5wh3 )7m 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 5sum0ftfppmp: (x v3y nq;i(7,x8yyj (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume,3;txy 5iyxmppn0( 8p (jm s7:yuffqv 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 ar1f 1wj; wp/x)s vcgsr0e identical. When the switch in the circuit is closed illumw vj;f10s xp1g/s) cwrinating 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 shog ,1yap2:4 jnnkb ng5gwn. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the switcb1,g n g2n:5a nk4gpjyh 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 bulb0a7 p vw4sz3mmzwro i ()slh6l2rg 7,ws 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 b wip(m )vg hszwlml2w4r77o 3rz06,saecome 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 lightbulbs0q uf ;e*y .uloiv+lon mi(z*8 have identical resistance,the battery is ideal and all wires have no resistance. After the switch, +*m0zln8i (q;le uuoy f .io*vS, 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 ie, jzelgp1))(o+/u bwp*zhm 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 across both bulb #1 and from Q to X?pu+j egw(m)olz )b1pihz/e*,

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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 obu afn4)6zydf*3w f-l f the bulbs will not light? -dnyflafu6bz3f4) w*

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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 initiallgat3 w5*ker lozck2qj )op 8dxco;1(8y I. The switch in the circuit theg(e 8c5t co3wkoo2q)8kxdz;j *rl a 1pn is closed. 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 aj)vd g9kggh t/kd+4u2, w bp(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 ak,k pj b4 92g/udgg(dht)wv+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.rc8 s0cc hi;k7;9ns98qq fhdw The battery and wires have no resistance. What is the proper ranking ocrf7 i;qshhc; dcw q898ks n09f 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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