Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and Nm 8b/.q drq-tt are connected in the electrical t8 mq-r.td /qbcircuit shown in the accompanying figure. 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 are connected in t4 6okhik+ 1qwnhe electrical circuit shown in the accompanying diagram. Ra6ow4n hkiq+1knk 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 lightnw-i5abmx,)q bulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb ix,wa )-nb5q mM 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 lightbulo w:8z8 3mqb y,*zuwkobs K, L, M, and N are connected in the electrical circuit shown in the accompanying w:oyo8zqk m 3u *bz8w,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 o;;uv0dz+ l/5ocmju b48idc ln g 6dgqhn i8+9ehms, are connected in a simple electrical circuit with a switch and a 10 volt batteg 5hlj /6nc8i;gc4+doued md b 0 9;z8unvilq+ry 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, are cfrc )0n/rr0hrc; vj5 f,kdg.x -/itzbonnected in a simple eltj cfirv5-) /.bx 0crrz/n0;r dhfkg, ectrical 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 ide nj4ntzz ne/t91fxc;, al ammeter with zero resistance and four identical resistance light bulbs whe, jn ntznfz19c/ t;x4ich 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 negligible resistan f je (jlmbzkd3::6huzm(gs .(ce is added to the 3gd( m h6zu.:lsk (j:m(ezjfbcircuit between points A and B. When this shorting wire is added, bulb #3 goes 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 shown, when a shorting wire (no resistance) connectsh*rcz,k9 r3u o:lk3.eqh+et h the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identical and have resistance , rhu: t*3qez9k.hole3c+hkrR.

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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 a 0c1 gtx-ob(nmv htx(1re identical. When the switch in the c(11m - hgto xtvbxc0n(ircuit 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 are connected into a circuit as c,veo8c3n ij6shown. 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 othernv3jeio6, cc 8 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 id1olq3vsyt ,: rentical resistance, the battery is ideal, and all ro,v:1 s yq3ltwires 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 hav mdc,svqsmm2*g fq6(7e 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 svc(m6* m fsg27mqd,qand 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 idafcae w*)pl. p56z70ljh-mosentical light bulbs connected to an ideal battery. If bulb #2 were remov5sm a*. l6p whjp7clo-zfe )0aed 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 diagram, which one of the bulbs will c9yust ogkn() 9ii2 8inot light? kn9)28 cgi (tyoi9sui

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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 circuiu5kcr r*,b j,il s66ant shown, the ammeter reading is initially I. The switch in the circu,6lu,kr sjr* c5n6aibit 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 bweg5ny.bgx7k a yyg(ccs* 7:vl0gt ,*ulbs have identical resistance, all wires have zero resistance, and the battery is assumed to be ideal with emf ξ . When the 5 c 0(*:bgx evggnk,7wystyl cg.*7y aswitch, 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 t ec31ekul w5(,/ jb0eesyse/nhe same resistance. The battery and wires have no resistance. What is the proper rankin/5l0sw euj /ck(s3ey1 bnee,e g 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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