Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L,loxa* x(3 oip- M, and N are connected in the electrical circuit shown in the accompanying figl-x(o o i*3xapure. 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 awzl6 /vr1pyx: fg(x 4zre connected in the electrical circuit shown in the accompanying diagram. Rank the current th/fz 6(yg wx1:4zlrxvprough 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 p vofsuq9k 9-49ayi l.lightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of the following statem - uvqak.op i99ysfl94ents 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 in5c xr:e ua7 shug5):jn the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following statements i e:au j)c5x:hg75s nrus 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, arutq 6zc,e: u0pe connected in a simpzec:6q 0,p tuule 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 li gdj*gqhu l.pw1*1kng th78fcre*7s. ght bulbs each, with a resistance of 10 ohms, are connectugp* c8*sgwn7e fk1 htj1qd7gh. .*lred in a simple 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 zero resistance and p2add pti63q2four 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 poind2i3p62p dqat t. 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 wireq w8o78i 1xzl )q6uxbf of negligible resistance is 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 br6 wxlfoz)ux7q8biq 18ighten?

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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 bpr kb/(:uxac3wcn 2)+695v chutb n wshown, 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 resistance R.wcub/ cuc2 ntk6rx)a(n5 w+ bb3:9h pv

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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 id5wg hc8-fa-nk entical. When the switch in the circuit is closed illuminating bulb wkg ncf5-8ah-#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 are connectedqjcg5j pg0) i5i3fhy ) into a circuit as shown. All p ij50qhicfg yj35g))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 5xfpi 6;egm0z, the three light bulbs have identical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices correctly gzi pxm;f065eidentifies 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 sh0uif :z05 louk94wfymown, the four lightbulbs 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 difference from Wto X?uwmi:9ful o5fz yk040

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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 anp-qi-u3 i2sf8;co pop ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the qo-i fios2;3c-up p8p 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,-4rvka3m d;lb which one of the bulbs will not light? b;lkda-3r 4vm

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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 Iygj ow0ljr)j/xx754;lsbx +/bn 1iaf . The switch in the r 5/yfbl/ x+4i)jj70ws1gblxnaj;xocircuit 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 bulbs hav7vw9o vhwjr* 3e 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 addw *h7 r9vovj3wed 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 havag qqtxu( d 997.7goytvknq0rsc6 u.(e the same resistance. The battery and wirq kqq096(.c 7yr tx7nu9d . ovgt(gauses 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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