Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, +4x9j an eouh 8mtx-+iM, and N are connected in the electrical circuit shown in tuh-xn98 ++4jxmtoe aihe 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 ele is5i-ag ,h5ji7c6kfactrical circuit shown in the accompanying diagram. Rank the c a 6f- 5ajig5sikh,7icurrent 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 identicao,wjsjh n2sf t0y/ e1 )hg3r1ol lightbulbs K, L, M, and N are connected in the electrical circuit sho0 1r/ g3tn),s2 w1hfjesjh yoown 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, L, M, and N are connected in the ele dg,xi8n3j6ir.jvd1 zctrical circuit shown in the ag . xn 6dd,3v1jiirz8jccompanying 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 each, with a resistance of 10 ohms, arex;mo pm;soh,fu i:o3q .bk .+b connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagramoi+; ,s k;x3fom .:uopq.h bbm 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 o)+ 8tp vb,yk(fx a;raconnected in a simyv ,o +xbpar();f tka8ple electrical circuit with 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 with zergt/vb4l.0bw e o 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 poivtb. /wl4b0 gent. 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 shorti z/thf3pktzub).9rk;t nvf8/ ng wire of negligible resistance is added to the circuit betweebp/kfz9z.tt3fkh/; un8) vr tn 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 circui(9bwn7ujeus rhqi. 70t shown, when a shorting wire (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 resistancnq 0b 7 wh7u9j(iesur.e 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 connected as shown. All lightbulbs are identim5t8 hzgc::8b b vxc(3sqs2g)q ybi1hcal. When the switch in the circuit is closed illuminating bulb #4, which other bulb(s) alc2b( )3gizgv q18bms ch8:5q yh:tbs xso 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 ligh3- p/w :drimkvy1kdf)t bulbs are connected into a circuit as shown. All wires are ideal with no resistancevrpidk)k:wyf1d-/ 3m, 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 shown, the three l3 u6jx8 9r+r+fm, o ih;ucbeenight bulbs have identical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices correctly identifies theucmuxe38i+h+6 ,jonb 9rf;er 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 resisbo(, m0lrl u*q;ia n)etance,the battery is ideal and all wires have no resistance. After the switch, S, in the circuit is closed, which one of the)u* b(li,qe ln0a ;rmo 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 con rcm6,w1i/na )rq )bnunected to an ideal battery. If bulb6n,1)cr/bumn r q awi) #2 were removed leaving an open 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 nop 4qcg; q/3q vp8k0hftckv.b0 t light? v8fb;tq3hg 0 .0p4qkkvcc /qp

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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 reb9sweq4 uj3x/ading is initially I. The switch in the circuit then isbjq9 3wse/4ux 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 bulbs have identical wt0.167y .pvhhwm wnjresistance, 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. Which of the light bulbs willhnyww tp10 w6m..j7 vh 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 agldqq: 36fccy.ua. 8 the same resistance. The battery and wires have no resistance. What is the proper ranking of the bulbs’ brql6:.ugcc. yaq3 d8 afightness?

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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