Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the electce2 ag0eqe q 0,t*1ldurical circuit shown in the accompanying figure. In ord0d*egc 2e0t ql1,ae uqer 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 are connek zq) cye0/ -r:t)wdf.fa*izhcted in the electrical circuit shown in the accom0 yz f wkf:aq.hzd)r* /ect)-ipanying 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,srhxh5 sr.9-h M, and N are connected in the electrical circuit shown in the accompanying fig9hr s 5.shhr-xure. 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 ink x8s1uuf4 7dl the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following statement7u sfx8u1ld k4s 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 resistance0v3lnitbd iu:gyy)+vjf b(gm t. 0 pd246;len of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagram below. 2b4d;(3 ygeyib+0dvlnut6 .ljgtpi0)vmfn :
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, withph/am* z( j*6n fgd)hs a resistance of 10 ohms, are connected in a simple electrica s6)h/hpd**mnfgzj(al 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 id1+ x +j7t6mhxz +szfqneal ammeter with zero resistance and four identica+ xhfm+s1 xz6 nt+jq7zl 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 neglig rmqw;u4u1 (a(eq+im)c b r1ocible resistance is added to the circuit between points A and B. When this shorting wire is added, bulb #3 goes out. Which bulbs (1uwc miu;4mc)eqo ( qr(ba+r1all 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 (no 6n(kaahigw 8wa8w75t e qh3, dresistance) connects the points labeled A an 68wdiha3ekt5, (wnahw 7 8agqd 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 lightbulbs arb54 ic) 1dpq oy2skum.iqup*,e identical. When the switch i.ypmbo d,pu 4iiu25*)sk cq1qn the circuit is closed 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 light bulbs *6oosa w39 8eta 7difajn5aw7 are connected into a circuit as shown. All wires are ideal with no resistance, and the ideal t 37a6dn *wi aa9woa8jo5 fe7sbattery 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 identical resistance, t(oi 4(i vl rhy;fg)yv,*6 teqkhe 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 whi egl(vi;r6oy)h,4vkf*(tqyen 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 lightns6yr+nxa/gp; .go k*bulbs have identical resistance,the battery is ideal and all wires have no resistance. After the switch, S, in the cirapgn* o /r+;xg6.kysncuit 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 l/sxte)6pncu* /7gx vendpy3 7ight bulbs connected to an ideal battery. If bulb #2 were removed leaving an ope/y7et*p )7 /sdenn3pucxg 6xvn 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 diahu /gu(kh ow9 mzn;/,ngram, which one of the bulbs will not light? /(guuzok;h, wn /hm 9n

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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 )85ve eubun-2 ajy+y;tvz,fq is initially I. The switch in the circuit then is closed. Consyyuef82+ne , ;v zatqub-5 )jvequently:

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 lightrcg fkr/x.v;1f g7mt a4 ca14s bulbs have identical resistance, all wires have zero resistance, and the battery is assumed to be c ;fk4t. gagarsxc4/ 1v1mr7fideal 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 three lightbulbs have the same resistance. Tidnd4 (i:y-y nhe battery and wi4d:d ( yi-nnyires 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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