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 connect bosjccca54 7 .ac8rl1n 9jok4ed in the electrical cirl rcns. cob59kac1o 44c8ajj7cuit shown in the accompanying 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 connected me.al,:, -upinth/rdc5 in0 q in the electrical circuit shown in the accompanying diagram. Rank the current thro q,. ri: /5 cntaiupdel0mhn,-ugh 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, ae4 (t b 6lm:j4tdsyqyr,i o+q6nd N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of the following teoiq:rt6d4yq ,(syjlmb+6 4 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 a xqc/3x/* vczsg 1e kkg7p/g5sre connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following statements is trukg/zs /x1k g7g evpc5 c*3qs/xe?

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, yn,4dh9nk )n5 (wrczb with a resistance of 10 ohms, are connected in a simple electrical circuit withhz)4r k(b9yncw,nn5 d 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 eatx( jpq r646vmch, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and rpvtm 46j q(x6a 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 in/e4( )nsms m1 hz x31drtsd/rdeal 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 removinn /(/zr hxdsse)1m1d43 rmnst g 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 circuito mh00wd p4gvh*tay 3; shown, a shorting wire of negligible resistance is added to the circuit between points A and B. When 0g*om4 hhwtd03a; pyvthis 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 (no reyj 74zl0je ;b6ou0kp tsistance) connects the points labeled A and B, which of the numbered lightbj4uyzjt00 e6l 7okp; bulbs 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 connecx.pew2 (9rpp cted as shown. All lightbulbs are identical. When the switch in the circuit isp.2pp(wrex c9 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 wtq+0tm7lk*b are connected into a circuit as shown. 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, whw70+q* tkb mltich 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 liam harr:** n)v-4eigkg23g eqght bulbs have identical resistance, the battery is ideal, and all wires have no resistance. Which one of the fo4 :eiqgr3veka-m 2g*anr*h) gllowing 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 lig/9nz*z,xl ) da.kdk dyhtbulbs 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 descrzk,ax z )ly*.d /dnd9kibes 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 cywr07k)n+ d v q8fv/iu0lfmqg892tzt onnected to an ideal battery. If bulb #2 were removed leaving an op2 u80ftk v 0/i8dynl7 fw+grqv)9zqtmen 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 diagram, which one of the bulbs will not ligh.. iebiovqb4fdh1. : lik*1 evt? v:ldevki..1b ih1q . e4* fobi

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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 initially I. The switch in n)l(,rrwbbl o6 +j09cqc +kyfthe circuit then is closed. Cons( n,rb kyfo9 l0+l +6rcwbqcj)equently:

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 resistancezr)8g, o e-inm, all wires have zero resistance, and the battery is assumed to be ideal with emf ξ . When the swii,z-n8egr ) motch, 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 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 l /)hnwzwt6. +dt 9crqsrl.nh3ightbulbs have the same resistance. The batte r6n lzh3d)/wts+c.9.tqrwn h ry 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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