Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the electrrtui0d.xjq6rq- u -u(ical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), the bul- uqr0iuj(u-dxt.rq 6 bs 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 awk 9amov8 6y7tre connected in the electrical circuit shown in the acaoy76t kwmv98 companying 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, 4hc7h-7lk 7c9 mrzjb fand N are connected in the electrical b-f7cz7h 9k mcr4 jlh7circuit 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 connected in thyi,)l- o6a3 h4egjpdu e electrical circuit shown in the accompanying fi)j 6 u3,igy4 ed-polhagure. 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 resistanygtlp6 hz;d gg:klc( .:+*a- t2fjjhg ce of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the 6t;+l.:t ch*ajy fzkg-:dlh 2 pg ggj(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 identica /inr/z ul5w)z7zshg2l light bulbs each, with a resistance of 10 ohms, are connected7)i 5ns z2wur/zzhg/l 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 f8-st icn,g q0 go0nr: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 thereby permanently breaking the electrical circuit at that point. Whicgc,n:fgq0so tn8r0 i-h 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 re un-tym .80ngd. zbu g(5jrnq;sistance is added to the circuit between points A and B. When this shorting wire is added, bulb #3 goes out. Which bulg(gnn .-uy t.dj50bzun; m qr8bs (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-bu(g1m5c/xaz*p zt f (no resistance) connects the points labeled A and B, which of the numbere*-m f/5 tzx cbz(gpau1d 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 showv. e3m3ewf **j qfo-*xxziy :wn. All lightbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, which* q**yvez:3 e fwij3fmxw.o-x 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 areawgp 8/sdx9 bxhn7 8w2 connected into a circuit as shown. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the sww/ gdh8wxb np89xas27itch 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 identical resistance, t3wy0zym 2rq;,sp4i rfr 4z;0y, p3myiqrs2 wfhe battery is 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 lightbulbs have identical resistance,the +g fx:x4jh gdd vy1(z6battery 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 difdvxh (g:+64x 1fzgj ydference 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 connexm4d v p(4z/ahcted to an ideal battery. If bulb #2 were removed leaving an open a(/d4m4p x vzhcircuit 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 x 7bw0ux*2mz,8d b asccircuit diagram, which one of the bulbs will not light? 2w0x78aumzbx,c b*sd

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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 initih7v35lv8lype4i upp 1ally I. The switch in the circuit5yh74 l3p plviuv1ep8 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 buui51d d ,rc35mym3hou lbs have identical resistance, all wires have zero resistance, and the battery is assumed to be ideal with emiuc,5ddruy h3m5 31 omf 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 three lightbulbs have the samegoo9z* i,hfq, resistance. The battery and wires have no resistance.q9 *,fgh ,oozi 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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