Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical-m 9 om;pzbop2 lightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting withmo o;9zm2p-pb 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 electrical h2hxh8 g-8aqacircui 2qaag8hh8 xh-t shown in the accompanying 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 ar7sab wjnos )27e connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of the following statements is7j 2abswso7) n 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 a/q3vx/xnn)e nre connected in the electrical cix v n/xnn3qe/)rcuit shown in the accompanying 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, a 7k )djs9c:(vav)dqlu qk 0-zyre connected in a simple elecq:0 s( cdv)kzqd-jl ky79 )vautrical 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 lk6wii qg2jcy0dn;a8 7ight bulbs each, with a resistance of 10 ohms, are connected in a simple electrical circuit wit0yc7w 2 ja giq68n;ikdh 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 resistanceyjs)5n/ /n gpaf+vl4e and four idenplje/a5n/+ g)syf4n v tical 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 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 negatwhedn 2m(-5 ligible resistance is added to the circuit between points A and B. When this shorting wire is added, bulb #3 goe52( ntwamdhe -s 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 showfi)cxuu efte6 d:4+ 8xn, when a shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Axi+e8u: xd6f)t4f cuessume 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. ,j vy-/fil n:k7n*6m fv .fgui6s,qas :0woomAll lightbulbs are identical. When the switch in the circuit is closed illuf0 :l6fus a j6w7oiqkmig,:v /,*o. vynnsmf-minating 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 light bulbs are connected into a circuit a drb-sp m,0 0s(pwkwe:s shown. All wires are ideal with no resistance, and the ideb0(r-mp w0pdsew s:,k al 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 sl06s;q() bl*gay (f kdb+ kjtbulbs have identical resistance, the battery is ideal, and all wires havk*sbbl)q 0tg(6 +fjk ysla(;de 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,c ,7ezpou7is+vk.8i un 5/qa j the four lightbulbs have identical resistance,the battery is ideal and all wires have no resistance. After the switch, S, 7vp usu8.c,j ioq5n7kzi a/+e 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?

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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 ideal bat .dxnyi *xblh/;/44tv 8lqpj(qgb zd5tery. If bv8th(yqd5bi/gj4 d;xb p4x. ln/*lqz ulb #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 diag9m,w3. sdbnrz ram, which one of the bulbs will not light? ,3wr9s.nmzdb

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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 circu*g3z(t*ep gh5j5mm q tit shown, the ammeter reading is initially I. The switch in the circuit then is closed. Conset*5 qj5 zeg3mp*ght(m quently:

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 resistance uyq6l3nxfpbd2, q;i5xd;qt) , 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 the switch isp5 dn;,xlb yq;q32xud tif6q ) 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 thrn j h3r;w.r5tof- *ozcee lightbulbs have the same resistance. The battery and wires have no resistance.-cfo3 znr* r. jh;5owt 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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