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 lighbgb 9q ry2 /z ,4+auibikh1z:ztbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the gi bq 12:b+hu/9ykz4i abzz ,rbrightest), 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 electrical cf3dtwmnp x 9k2m*n -k.m23tx circuit shown in the accompanying diagram. mm3k.tp*-mnx nk 223wtdfcx9Rank 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 4ysmqtpd /mrt 4 855rgK, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Wgyqr5 4s4 t5/t mpd8rmhich 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 Kc7x ej6e6cvu0d ,rvqy ywv2:h*st f.8, L, M, and N are connected in the electrical circuit shown in the accompanying c *u:,6vxh.q2yetew8d 6vjycr sv0 7ffigure. 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, ari;jfq, x .pb.4asp :ffe connected in a qfaj;fb : 4i., xpfs.psimple electrical 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, k9dr qwm (+m sb-h;k(uw5til( with a resistance of 10 ohms, are connected i(r9hukd+5-tw sbl wmm(( k; iqn a simple 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 idtb8ikkr 9o+:l eal ammeter with zero resistance and four iden9+okl:r ik8b ttical 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?

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 reyf;i)w j r6oz:. c j0ddiy4teq +46ajesistance is added to the circuit between points A and B. Wq0 j6ir)iz a6dj w e4fy 4.otc;de:yj+hen 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 zk gy0t f:58bushown, when a shorting wire (no resistance) connects the pointt80yu gkfzb: 5s labeled A and B, which of 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 light5+gm+h9wpfr x bulbs are identical. When the switch in the circuit ig+ xrf p9+5mhws closed 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 connec6e kfvx tmh h/;ia:h77ted into a circuit as shown. All wires are ideal with no resistance, and the ideal battery has emf h 7v7fth; :/e6hkxmaiξ . 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 j1(7)rep kw8qy;j (bwm emn-sshown, the three light bulbs have identical resistance, the battery is idea yws-jm (k8bjqe;1enw(mp)r 7l, 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 resistanhw/8 w:izyv y-pgmk4/ce,the battery is ideal and all wires have no resistance. After the switch, S, in the circuit is closed, which one of the folyvmphw8i w g:- 4/k/yzlowing 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 has 4 identical light bulbs conn n2 s8;fzyi;8ycmr r5tected to an ideal battery. If bulb #2 were removed leaving an open8t r ;ymfrn5cz;8 s2yi 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 dwe0c3 a1 d2apy)( fauliagram, which one of the bulbs will not light? e3 f)0cl1a a2 udaw(py

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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 showdc2* wns5i0wr n, the ammeter reading is initially I. The switch in the circuit then is *siwc50rw n d2closed. 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,8.n+xo g rpo ljunsbe* 777y:m the four 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*7oo l e xj8gsb+npyunm:7 r7. 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 res7wb:q 7 )geidaistance. The battery and wires have no resistance. What is the properq dig7:ewba7 ) 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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