Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the ti j:z zqym:kq:s+ *d9electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), i:9:ksdzz*tm :qqyj + 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 conne7;2g9md,3 i wwfbdlnzcted in the electrical circuit shown in the accompanying diazn9dg32 ;blw f7wi d,mgram. 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, Lzkw 2)4 eo qzvlmi1g1;, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of the following sta olwg 1;v)q2zi1 e4zmktements 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 are44ss4trw q mg6 zu( ki4fc5:lv connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following statements is tuctmk s 44:5g (w6r izs44lvqfrue?

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 eac srw /2ogm7n6fnpet 3:h, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery76mnpf nrw3:/ gtoe s2 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 light bulbs each, with a resistance of 10 ohms, areixee.ek1ey mx4l(ftq .:- q6 a connected in a simple electrical circuit with a switfe4xy - qk:xatql .me(i.e6 1ech 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 z;ymeu 6 ;1hm)u aqiidsl1q+p 6ero 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 circuii6h u1lie+; s 6qydpma1qm;u)t 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 negligible resistance is:m.r8*4zbk2 sv zfazi 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 circui z sv z*mb2k8f4zar.:it 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 resistance) connects th)kn0 )vb(a2lkhc, tg me points labelmn kkc,)2ha b )(tlvg0ed 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 connc kb p 3 la4me3h3oht1j-f:c4kected as shown. All lightbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, whiktkf1e a-m4lhcpbj3o 3h4 c3:ch 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 circui oyz;36jn ruy+q7h)sct as shown. All 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 othezu 7;+6r yhycq )3jonsr 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 identicaug:mwi58 nv+y) :adp2 :j fkapl resistance, the battery is ideal, and all wires have no resistance. Which one of the followau5k)::2m+pfv:pjnag d iy w 8ing 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 zw+8 qdl1bfn .wj 8olt cl(*r: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 ofn : bw( r.clz*lj 8lo+w8td1qf 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 identicw. k gc7u3 y*oowrlt+gvb,i;6al light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb #1 and from Q to ;tuo.7k, 6ryb 3i+wwgglovc*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 ci: ybutx3l6 h ,sr9xyr39juq(c: mdejao;.ns 7rcuit diagram, which one of the bulbs will not light? b97, :j r.uxyh n os ;39 a6er(jm:stdyqx3luc

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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+tx2 dh,shi.1sey7 fait shown, the ammeter reading is initially I. The switch in the circuit then is closed. Consequ +17yst h2,esh d.fiaxently:

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 bulb rrjp tz5/l.e9yr4fh;s 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 thfrzt5./hj9 p rr4 e;lye 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 +p ,x50wp 9hzf; qancao-mks1 resistance. The battery and wires have no resistance. What is the proper ranking of the bulbs’ bmf5ca;h ax p w0 ,-spzn+o1k9qrightness?

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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