Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbul ytwj/o -l;v;07eiintbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightestjo;7- tn;e0ilivy /wt ), 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 connected6 dv;r.-umrhy in the electrical circuit shown in the accompanying diagram. Rank the current throu-.; yruhmrdv 6gh 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 the electricalm d d8mfy*wb8cb.gczt;lrg+/u *- t8l circuit shown in the accompanying figurel *8c8b. dyuwtm- gb+z 8lgtfm/c;dr*. 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, L, M, and N are connechku*ld; at )lps-1 ym7ted in the electrical circuit shown in the accompanyi1;ly-a 7hmp sut*)kld ng 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;b zql y tu(a6tudj5htqn ,4f9* 1uf,s each, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt batt9 jq*,hay 1tu;zt64ts qfu , (bdnufl5ery 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, with a resistance of 10 ohms, are co) wqwqv9-dyj* p7mx 7znnected in a simple electrical circuit with a switch and a 10 volt battery as -dx9vwpyz*m7jqqw)7 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 ammetecc(p, iog2qdz ew9 4d*r with zero resistance and four identical resistance light bulbs g(ow2pci 9z *e dqcd4,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 showvz6h lhn0 6,q;sjw(n2h7vet gn, a shorting wire of negligible resistance is added to the circuit between poit,h6nv(;nvl 2 e0h7sh6gqzwj nts 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 wire (no resisf1e/fz:;qqx 2puj ;4e5og( gdrwpy5e tance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identical and have resistanczpf p 5qoq5ey djw;: 1(fxg4ege/u;2re 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 conn158r0xr.bykkh p au8kqdst,j0s l.k /ected as shown. All lightbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, which other bul rdxkh 01.y /8urk0k 8stjqklabp .,5sb(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 connected int 0d.xv,ikm /cco 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, which of the other d/. vcmik0cx,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 resistancnih99vjz 9rciyn3s 6(e, the battery is ideal, and all wires have no resistance. Which one of the followii9r zn9(6 c39ny shivjng 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 resistance,t lsu)5 zhg1w2bn(wiq7he battery is ideal and all wires have no resistance.bnl) iww1 g5h2 uzq(s7 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 ideal bat8 xsej)wq8fxppe17f9 tery. If bulb #2 were removed leaving an open circuit there, what hae 8qppe9 f)xx7s8f1wjppens 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 o*u(,-xem sz c 5/i necbjz4qc4f the bulbs will not light? zj,b(qu ze*x/ cs4c4m-ince5

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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 sw/-d29t0slzary.wh fmv3t k+ ditch in the circu/az-h lsfd3r +d.kw t2vmt0y9it then is closed. 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 bulb:6dzen1c bpp8-lhc-ms have identical resistance, all wires have zero resistance, and the battery is assumed to be ideal wi8zhpm 1 -d:cn-cp6bleth 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 k5jbd;*3z/ o qj4uylfthree lightbulbs have the same resistance. The battery and wires ul5kfqjd z; y b34o*j/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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