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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作者: admin 总分: 18分得分: _____________

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 identicalz+ug1 v-:seccuv+gsw) e n1 (c lightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying fu1eugs ( ezcs-+c+:cvg )v1nw igure. 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 the electrical /:pri b mk66rpcircuit shown in the accompanying diagram. Rank t6 rki6rbpp/: mhe 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, L, M, and N are co10f n+ /koavswnnected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Whichows/nkf1+v a0 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 elec-kt(;anm z 0gw;3b) ) emuyhh;efw1wltrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following statementsha)gwyem;3efbuw;0 t( mk 1 ;)z-n wlh 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, /aah nzd( gyx5liynj1,kv+56 are connected in a simple electrical circuit with a jhg dxyv/ a 1ialn 5+nyk5(z,6switch 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 a re59bbufsxd ne,3fxz-5/v aar0 sistance of 10 ohms, are connected in a simple electricaabfr3s0u x e/,d5fb z 9nx-av5l 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 ideuh309 k4)n ku uj(gv-fm l,(w9v*eg2n nwuukqal 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 electrical circuit at that point. Whichk,n-2 (4 lvg9muk*q)uuv9fn(u h3u egj0 nkw w 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 addprk7-ozl-j v (ed to the circuit between points A and B. When this vr7 l oz-(-pkjshorting 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) connects thu,*z2wwzqyp) e points labeled Az qy2,)uwwp*z 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 connected as shown. All ligjfhm3:9x5 jc vhtbulbs are identical. When the switch in the circuit 93cjfmx :h5vjis 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 bul z5wrscj 9*mji k51or1bs are connected into a circuit as shown. All wires are ideal with no resistance, and thsorz k1 5miw19jcjr*5 e ideal battery 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 -p,xe,ilrdhpl3q03j 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 co,p l3, hj30rexpil- qdmpletely 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 have identicale m 5rooiqt(* wa y 2zjkm2g10g:k1hb1 resistance,the battery is ideal and all wires have no resistance. After the switch, S, in the ci210roa*ktq z1gim:jge hw2 ( mo k1yb5rcuit 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 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 hael z7rb+np lq b ig)g+* ffmr/ld9-9.4pu yh.ps 4 identical light bulbs connected to an ideal battery. If bulb #2 were removed l4)gdb-q/npp lb 7y.frel+ p 9rhi mf.+*luzg9eaving 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 je 0xd86e xd*snot light? *ej8d6s dx x0e

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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 initir;w po)j.x 27,v zslfoally I. The switch in the circuit then is closew,zx vr 2slpoj; o7f).d. 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 resistan(2kw1dygrm ktd uv0el 911/nsce, 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 addedy19 1 m /e2rksktlg0vd(1wn ud 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 li9p7 ub+: +eh4bqjf1ixm 5xns rghtbulbs have the same resistance. The battery and wireshi1p+f4qrb juxbs 5 mxe+9:7n 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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