Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and8 k mzxf tp):cfh/u)-x N are connected in the electrical circuit shown in thc: -p ztxxhfufkm)8)/ e 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 i+u;wd k4ur)u tn the electrical circuit shown in the accompanying diagram. Rank the current through the bulbs.duu+;k4wu rt)

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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, andlmu6f l.;jij3p9cliz(a a/)f N are connected in the electrical circuit shown in the accompana(ijl6um.l3/zjc fl f;ip)9a ying 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 lrc*g fsp2j-ccp npa 1-r2c 3)yightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns n-cjc r3fcrp)*2as21p-cypg 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 eam8g8dxm v r,z4ch, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch andd v mx8z8gmr4, 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 light bulbs each, with a resistance of 10 ohy/ij elepmim- --ws: *ms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagrip/e wmm*lyjs e- -:-iam 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 show8r j32 ua(/lze+3c(dv iccp tzn has 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 eju(di8+/3pzltcrzv a2 3(ecc lectrical 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 resistance;omvud+uvqrfd 1 - 6c2 is added to the circuit between points A and6c+dmu r- uvq2d;fv1 o 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 shor 7xnxl+rrwabn71f2y7 ting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identicalrx2 7f rany +bnw7x71l 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 are identical. Whwle+hpv5cm1- en the switch in the circuit is closed imp v1- cweh+5llluminating 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 she6fql(gl( vh (own. All wires are ideal with no resistance, and the ideal bagf (qlle(h (v6ttery 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 rh89orltzn3 w 5esistance, the battery is ideal, and all wires have no resistance. Which one of the follo8zntr hlw 9o35wing 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 lightbulbcpxexjyrif 5:3q679)iu rew ( s 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 corrrj5p:7xf)yr69 q(xe i wice 3uectly 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 co/u hv90i).klvvb +zpd nnected to an ideal battery. If bulb #2 were removed leaving an open vzdl kb+u)/90hvp v.i 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 of4gxl otpl)cd5n jmv q4,t f d-27*c-fne of the bulbs will not light? g - f,*4pccv jldl2dotn4q7f-x m)ft 5

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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 initially I.i7y8 yb+ cmwvfge)p*. The switch in the circuit then is closed. Consequ mi 8.*gbvwpyye7)fc+ently:

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 foui5zj60g6inz c h3v 1cyr light bulbs have identical resistance, all wires have zero resistance, and t gyv3n056jc16 zzc iihhe 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 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 resist .ta 0wvae:s3vance. The battery and wires have no resistance. What is the pro .tv:wesva 30aper 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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