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 i.yu9cn 95oihgvdn/3 9 z wy4c-;bfmh sn the electrical circuit shown9/ 35h9cf d.z-oygv;n bnmui cwsy49h 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 in the electricacjxvznwc,g8.bb *py)z p 8z/1l circuit shown pn*z 8 )w1zyg8.cb/pvbc,xzjin the accompanying diagram. Rank 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 ligha ,gv*7o.hcx htbulbs K, L, M, and N are connected in the electrical cigh*vho .c,x7 arcuit shown in the accompanying figure. Bulb 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 lightbulbs K, ). i7oysvn.xn81k8nt7 xj, cw+ wo tcoL, M, and N are connected in the electrical circuit shown in the accompanyx )toot87wo n.vj8 i+xy 1 nccw.ksn,7ing 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 bulbs eachux 0nrmzgu)/ 2, :zfp4yqjq6yoc, r e5 rjt27i, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and ayrq ,j2 go p/4qmy j:)znz urt75,6xue2ci0rf 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 lighoc8 a :m9-8 u9xyzv.jx b1wlvqt bulbs each, with a resistance of 10 ohms, are connected in a simple electrical circuit ww uvzc-9b8m8 9oxx1lqv yj:.aith 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 bl nu-eu 4u8mz+ri(0 rz lfs b5:4o,odan ideal ammeter with zero resistance and four identical resistance light bulbs8ou45e4s:m,ldu z0-+ f (r rbiobulzn 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 resistance is added hua4jk cm0af0c;+rl *to the circuit between points A and B. When this shorting wire is added, bulb #3 goes out. Whichaf0 ml+uk0;r4j *cca h 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 resistane36hc zirk. s7ce) connects the points labeled A and B.6szkiecr h73, 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 co1 kesxbdj9di c.) ;0tbnnected as shown. All lightbulbs are identical. When the switch in the circuit is closed illumindj bi;skc)b9e1 dxt0.ating 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 arefcl1f ) ad5fg2 connected into a circuit as shown. ffc5 gfd)21la 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, 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 showx2b : t*.5kkqukpxcs4n, the three light bulbs have identical resistance, the battery is ideal, and all wires have no resistance. Which one of the following c 4txbk s c*2:puxk.qk5hoices 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 identicasq6x5h*x+ ms ma:+vmxl 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 desc :mh xsxv* +m+6xam5sqribes 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 conne8h8beks *1t+fepd.xd ,rni . mcted 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 b8s d.dtx ,rn p.h*8f+eeki m1to 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, whi6j5ag*b jx00wwy. mz bch one of the bulbs will not light? a0zbwxb65.j j*0ygm 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 i sjx(x+ag if t(6qe 8-d*a-uo,gd6oofs initially I. The switch in the circuit then is closed. Consequently:-q,-e du xs+*8toid(6oaa6gx f f(go j

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 bulbupjyff/ju)c00l c)ps cvd+ +2 s have identical resistance, all wires have pus+d)v0/cp0jc2jc)uy + lff 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. 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 samwk9ai.q.pkt ;e resistance. The battery and wires have no resistanceip9k..q a ;ktw. 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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