Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and)p on7d;v ur qn*+h1lg N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), the bu *nvlqor+ 1nh7;p du)glbs 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 3q22lwwb g /o4zlh rv1electrical circuit shown in the accompanying /1g 2 qwbvwzrhol 324ldiagram. 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 lighqv95zp3*kjtrj1p) 3ok rsd2ctbulbs K, L, M, and N are connected in the electrical circuit 3pr)c5v9j z 21krsp3tj*odqk 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, L, M, and N are connected5+de3lhm)6qfk saf1ma:7j p i in the electrical circuit shown in the accompanying figure. eh:a7fja5 mlik+q 6fm3s1dp) 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, w rm3;gyk5n3 cyp.7mbxith a resistance of 10 ohms, are connected in a cgy.;n3pkxb 3ymr5 7msimple electrical circuit with 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 each, with a resistance of 10 ohms, are cojj1wlc 3vuu4mw4y g( lfb m(0,nnected in a simple electrical circuit with a switch and a 10 volt battery as shown inv 4fcgjj(u wubwml 4 13y(lm,0 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 h zo6v/fx0 5+acac0+riy1 6 tley3 ppfzas an ideal ammeter with zero resistance and four identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket 0 /cpep6xa+zlt3 iz 5y6 cya1rf0fov+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 i xl*y)mc +2: vfjmaup4s added to the circuit between points A and B. When this shorting wire is added, bulb #3 goes out. Which bulbs (all identical) in the circuit brightemlam2jy u4v :cp+) xf*n?

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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 sh;vycw+b bi **qown, when a shorting wire (no resistance) connects the points labeled A and B, which of the numbered li*+b bqy* vw;icghtbulbs 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 connected as shown. All lightbulbs are ident8t iw:zt1e/b 3vd5hh 8tkxes:ical. When the switch in the circuit is ctb/ixkwe :t: dh85v 1th8zse3losed 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 lightjsrl-v j6, w: 3hl(mocz6na3w 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 from bulb #l-vc36namhlw,3 o6rs( j:jw z5, 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 threaedlln r ,)p :anz2ftz k*w7u5 g+-s:me light bulbs have identical resistance, the battery itdze,+2f ln::kws5 *zan7lr- )up agms ideal, and all wires have no resistance. 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 lightbulbsv+7 ybs ho69m lm)c2l02akxpq 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 describes what happens to the magnitude of the curre27v9qo y mh2+b0kl6s)lx cpmant 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 4a.f/ig(c4nx jj v3a9qje y.-q identical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across bothq qcvaiejax/(g439f.n - j.yj 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 will9 ulru7 op;u4k m botn7b;.op/ not light? 9po; rpn; o.utl umko7bu/7b4

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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 rerze:m+e x9 2jzading is initially I. The switch in t:jme e2xz9z+rhe circuit 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, 8jv+zztnw8 4 cthe four light bulbs have identical resistance, all wires have zero resistance, and the batj + tncv48wz8ztery 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 thrra, qso/+ gal*r3cd/ lee lightbulbs have the same resistance. The battery and wires have no /s/l*,r a coga 3dlrq+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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