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 c7 askcn8 q v zncv9-/p1qyon1;onnected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), the bulbs an v cac1pqoqv-sn9;8z1 n7k/ yre:

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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 i4oe-o tgltip:v/2 7zsn the electrical circuit shown in the accompanying diagram. Rank th/-7pso g it:oz2tlve4 e 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 ng59nuk lp6 1z f(;afhlg*q9ithe electrical circuit shown in the accompanying figure. B(i ag *ln k1;pq9fhn9ug6l 5fzulb 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 lightb,;1*xgtwhs yy7 dt9dgulbs K, L, M, and N are connected in the electrical circuit sh ydy wdxg17*;ht9 sgt,own in 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 bu+ i.+.qcq4obrvhoc- 9pf epf3 lbs each, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as showhbqi3.e + -o4po+rp.fcqcf9vn 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 resiju.sd-bb, tj 0stance of 10 ohms, are connected in a simple electrical circuit withub.s b, 0tjj-d 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 witht)9 g )6wk lawsrk(cf8 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 th89w wckgrl)( ) 6fksate 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 wiu-3w.-ow :xf xwfmvy lw3/h(lf 3y b)jre of negligible resistance is added to the circuit between points A and B. When this shorting wire is 3-: f (y3lm xwu- xvofwl./)whyb3j fwadded, 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 d*+h1 bs.be1d6ue +oc fi(h rgwire (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 resistance eh 1es h*+r+udcbi6.od(1bgf 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 connq l/t4x.vz ,5tg1bil iected as shown. All lightbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, which other bulb(s) also become brigx zq/1. i,i5tb4tvg llhter?

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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 ty6qs+g0 mixl5/ ajk -as shown. All wires are ideal with no resistance, and the ideal batts lqgyt0-m6/j+ axk5i ery 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 circui3k 6j d 7 e2g,/ygyovhqp+b/get shown, the three light bulbs 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 /p,e3 hggqvk76yed+ 2gbjoy / 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 identica-5oj b,oht;h1z pemgm e:)wq: l resistance,the battery is ideal andmz:hgwp jo1e);,:bo -met5 qh 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 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 connected to an ik19eo (fh ;af5l7i)hq zrat:tdeal battery. If bulb #2 were removed leaving an open cirl qiah) okath5z7t:(;ef r 19fcuit 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 diagram, which one oyv5;0 s(7hwus. ohy 4o- l -eckxhxk)rf the bulbs will not light? ;s xcu7k--oh45e vy h( )yo0swlkhx .r

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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,+oe cr c -lel/zjjg., shown, the ammeter reading is initially I. The switch in the circuit then is czo elje-cg,/ c+r ,l.jlosed. 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 bulbs have identical qua3gv )1c;uy 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 isy 1)avg; ucu3q 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 *:mbir r2idqeu.e nvu5qzfl((( sw*. same resistance. The battery and wires have no resistance. What is the proper ranking of the :.wimr fvsq2 (b5nz *ue(rld.u( q *eibulbs’ 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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