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 lightbulbsa. rcq o7l j6h1h6so ekt(xk2( K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), the bk1 ct(o.rx 2h loaeh6q k76sj(ulbs 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, Mboaz )vb1eal .qge :.(, and N are connected in the electrical circuit shown in the accompanying diagram. Rank the c.obzv: gaeb()e1ql. aurrent 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, kz a: ;s2 j21ujn6ekhjM, and N are connected in the electrical circuit shown in the accompanying figure. Bulb M bur61ezaukjj;2 jn: h2ksns 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 in the electricamp2u *cj6otq:n i b,g/l circuit shown in the accompanying c/un2j6,b i*g : optqmfigure. 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 ohms, arz)r7ga- z /ww:jsw k6ue connected in a simple electrical circuit with a swi-s w waj: /wu6k)7grzztch and 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 a3lumz+8b ,aj;f 2sdo vezruo6a, cwo*f;u4o2 resistance of 10 ohms, are connected in a simple electrical circuit with a swi co4adm+zuso,83a2 ef ;olzbuf; 26owv r,j*utch 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 idead 4ny p;4sv6kql ammeter with zero resistance and four identical resistance light bu dk qp;vy44s6nlbs 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 negligible resp jg 5r:wqe7 y(jme *r2lwkf14m) xe,sistance is added to the circuit between points A and B. jfq,xklrr7mesw:ee *5() w4 1j 2gpm yWhen 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 1 k 7 mhcwk kl427o1ftx/zwc7xshown, when a shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identical awx71 2c zfh7 mx4o7lwk k1kt/cnd 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 identicjm+d3j(w, ; 8ctltupmal. When the switch ,dtpjwl+3(t 8 mc;jmuin 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 are connected into a circuit as shor n8v)vxs soc9dz q8 b9b 9j+un1ag40hwn. All wires are ideal with no resistance, and the ideal batteuv89 nsjx ) gd+4 8brsn9v91bc hzaq0ory 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 shown49fju29kgpoidywp g05 )ls+k, the three light bulbs have identical resistance, the 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 when the switch, S, in the cirg kdw k2pp 4y)lj05i+uos9fg9cuit 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 have identical resistad:-e-:zw a4s6 obu 8 z,chtewtnce,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 descr ,e w-d8bs 4t-a:zzcwo6eh:tu ibes 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 an -qe*us bz1/bf ideal battery. If zu b*-/qsefb1bulb #2 were removed 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 circuitoa6nvjv/q1 * dr04wj p diagram, which one of the bulbs will not light? v po6jq4j 1r0ndawv*/

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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 shcl.yox y sr.3)own, the ammeter reading is initially I. The switch in the circuit then is clolsc3xy.ryo) . sed. 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 bulbs have identical r 6i0 douu/ aotoo6ps13esistance, 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 the circuit. 6uuo6sdotao0/ op3i1Which 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 circuii9kpj0f5e1i x +(8yl d4pew ext shown, all three lightbulbs have the same resistance. The battery and wireyxpike9iplx5 (+j wef0d e814s 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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姓名:游客(未登录)

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