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, an 2, l9h.6wubdcgewm8v;hacv /d N are connected in the electrical circuit shown in the accompanying figure. In order of dehm c/b6g; ua8wd. hwc2,9 lvvecreasing 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,kz5/4(zm(id:oepl vhz qz*x lightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank the current d:k4m xl/zpe(5zoi q h(* zvz,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 5dq 9ins( iye(bawe3 gx85nu6d7p sy(N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of ty( ( p y5isdein7 wb8x (g3e5nau9dq6she 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, andk2p0ndv khq r pq4*51w N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the followwd q25h0k1 qvpprn*4 king 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, wit0r34i u(r fabyj x(y:bw 8kh*th a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as yk0* uba8hr:4t(riwjx 3 byf( 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 e 8g sfm15flurh;oh9kc lag( :tv72t,cach, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagrutv9fm hs h2ar85(, g gf 7;cokl:1lctam 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 resa 4fd,6rl )rwuistance 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 ther) 6aur dl,w4f 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 resistance is n+1(w*wbi a ixadded to the circuinw +bx w*(a1iit between points A and B. When 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 shown, when a shorting wir(rmi k o.2vbly2*3 iz l3cgj+z7zrw; re (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 2 z .3lcrzj;(3lry*+iwim v2goz7 brkR.

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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. m gd3aoo0 k.z2b6af1e1 gnbr6 All lightbulbs are identical. When the switch in the circuit is closed illuminating bulb #4f0a2 m e1.ng61zob6dk 3b oarg, 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 l rmzq5qo1gt m2qe; up:k 3zw/0,sxul8 ight bulbs 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 fg5zzwt2 u:e3x,ml pqq; k8sor m01q /urom 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 bulbs have identical qer9bok/15mxgoa( lm v5o9-dresistance, the battery is ideal, and all wires have no resistanc k-odm g1om 9labex /or(5q95ve. 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 resist,r5,9sipzksz n4rln.b pvl(/ance,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 labeled P and to the magnitude of the potential diffbn(s.4zpp,rr,l95n izvk/l s erence 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 q2*n p/ 4p-jaufxuz s,z.q. rkidentical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the xz *4zq-au j. .prq,sf2npuk/ 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 nce5ogz) l,-i2q lsdxwty)1 (kot light? zdxci k1l(y))tql2gw , 5os-e

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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 inp (av,mui2x5x2 f: eowitially I. The switch in the circuit then is closed. Cons,5 fi2mp oxx2ue aw(:vequently:

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 sho1x0+wfc guyu3l k/m 4fz c16kown, 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 closed, a wire of zero resistance is added into the circuit. Wh0yuo6g+3/ cfu11x l4wz mf kkcich 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.*1x/, jgduur- w-bw,mt b p*0gd7 fqey The battery and wires haqrf-t7 0w gm,xd d*j-*b wgpu,by/ 1ueve 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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