Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connecte/t fldo+u:w3c d in the electrical circuit showfcl :u do/t3w+n 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 liqti67gto vi ,)oankl2d 4737be4psxughtbulbs K, L, M, and N are connected in the electrical circuit shown in the aed tbx3n4luq k posita7vog7 724i 6),ccompanying 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 lightbulbs K, L, M, and N are connected fz 2)q hs2q3 lo/j2m41xvyll gin the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of the following statements is true?2 qsx31)mj2/ghl42lzvqlyof

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 lightbu-rids zu992obz u11-q hv3af ilbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the followih-buurq9va 119 32oisd- zif zng 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 resisd,1-x ,0 kvr c6qdffgnwq3s c*tance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagradcvq, qf0 x*fcskdg136 wr, -nm 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, +iz+c9 wna9*ax:ki 7nxcjfy)ncbn 9 )are connected in a simple electrical circuit with a switch and a 10 volt battery as shc9 wnj b)f:ianay +nx+z*7nc)ck99x iown 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 zero resistmgk yn:+r*w+q p5m) qzh*jgu 3vz(-av ance 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 circumym)vzhkgg3j*n*r a: p5+ z uv+q(w-qit 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 neglin cvr .iwqrfd6(, 8ux*3e)l zwgible resistance is added to the circuit bei,rr63vwun *8xdlcf e .)(wq ztween 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 shor7( xg7qbuw4+y o-kvg jting wire (no resistance) connects the points labeled47 g+x- uwyovjg k7q(b A and B, 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 connected as shown. All lightbkk ru78. 3di50qbkz3ffuz hc4 ulbs are identical. When the switch in the circuit is closed illuminating bulb #4, which othebzcfkk8u0i 3. qzdh 7 3r54ufkr 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 bulfo*;oe c1/ 6cyx 0iavwkppb/*bs are connected into a circuit as shown. A0 cyca * o bi;k/ewpo*6f1x/pvll 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 shown, the three light bulbs have iddmj4u 4 )5pr815c(rb+e xt chxq:vdff entical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices correctly identifies the light bulbs that either becomeer8 h4dp)(4 5b1xvx :q5tujmf d +cfrc 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 lightbulbsd(s g(s q q:z4xkrihya(r 13a: )z+sac 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 current at the point labeled P and to the magnitude of the potential dizq(((1c+k zdr 4ra:qgs3 axhsia ys :)fference 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 id9dbt )id3-m7ynlpzkzvg. hs53o4c d4 eal battery. If bulb #2 were removed leavi4- di3 vobndg93cl.d5 z)4mhsy 7pztk ng 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 wim fqc g+x .4q (oj9he(t+sgw9yll not light? gm h(tsj+9q .xg9oe(wc 4y q+f

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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 swito 70mlh 2u bxn-7 7ql0vbob9ltch in the circu0t mq7onbx-ou7lb07 l 9hlb2vit 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 te 7qc 1owpm *37pczg;shown, 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. Which of the light bulbs will be dimmer after thewc;gmp3t7 7zcop*1 qe 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 lighh)) ,fo,)l s3n5k-zeecnhbu y tbulbs have the same resistance. The battery and wires have no reu3 kl,o,n))fzb)c- y5 hhnseesistance. 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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