Electricity and Circuits: Complex Circuits - 无忧得胜-网上国际课程 (5edu.win)

?作业考试练习?美国物理杯赛(Physics Bowl)?Electricity and Circuits: Complex Circuits

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习题练习：Electricity and Circuits: Complex Circuits

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答题人: 游客未登录开始时间: 24年08月22日 11:37 切换到: 整卷模式

1#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

94.28: Four identical lightbulbs K, L, M, ac .dd)qf htjm 0mklet(-ug;6- nd N are connected in the electrical circuit shown in the accompa)f(dt .m;j mk0g-dch t e-qul6nying 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 light a-h/s7tb8; 0ext99 -g1tvizfyfa jatbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank the current through the bulbs. ftaj-x v/7-bi;eahz ayst t fg8990 1t

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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 are connected in the elecy vd4mx+0zu 1strical circuit shown in the accompanying figx0 ud14m+ yvszure. 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 identical1v j 64dgi;.phxphts --mbj d8 lightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out4 1dpxvbjs i ;gt8h6-.p m-jhd. 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 re /kd i:5lz;q:mlxuhb)bz77c:x j/ ytisistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagram btzj ;iq5:x l7l byu7 h:x)bk/cm:/zid elow.
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 x yg5 7ih8d;-runvb*klight bulbs each, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 vol-dku;8hyi b7v*r nx5g t 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 resistance and f:c7/t ak/* iw9dco fjmour identical resistance light bulbs which are initially illuminated.*:ojcmi7cdt / akw9/f 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,e k k361ulhuz l4gw/8v a shorting wire of negligible resistance is added to the circuit between points A and B. When this shorting wire is k6gw4uu13/ke v8lzhl 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 aw ldr+zb d;w6/3et4 uo shorting wire (no resistance) connects the points labeled A and B, which of the numbered light4 olr6tw+b d/de;3 wzubulbs 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 s o( 1fl9eef5-b 8bcmaohown. All lightbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, which other bulb(s) a9e1lc ab efo(f-b8o5 mlso 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 lighqci42 k5xd vgs;a r78-j(t jiht bulbs are connected into a circuit 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 # g7;c-sjdqaix2v8t( 4 jrhik 55, 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 resistpg :t*gbm(j )iance, the battery is ideal, and all wires : pb ggmt()j*ihave 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 lightbulbylsm 8))g,jp xs 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 8g ,sjpy) )mxlcorrectly 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 jyg2/e/y,el(ig cz m*an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb #1 and fr/ m,c*i gy lgeejz/2y(om 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, whic;o.t n0y5s zuyj84ymbh one of the bulbs will not light? zym8ty45oy bj.u0 ; sn

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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 b00b6 yp3t93dxeaq yfinitially I. The switch in the circuit then is closed. Consequently: 33ydf6b ybp9tq00e xa

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 resistw(nl/;ggocy3k6d yr -/jvum 6ance, 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 wirnju-3kg/m6 /;o6yg cwvrly (d e 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 rgjy+tvqvv*n;) *gg*. x 4narqesistance. The battery and wires have no resistance. What is the proper rava4q*n)gnxg;y*+ vj v *qr.gtnking 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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