Combine Problems - 无忧得胜-网上国际课程 (5edu.win)

1#

94.28: Four identical lightbulbs K, L, M, and N are conne* lln-qt6tly)cted in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), the bulbs are6t llq-nty )*l:

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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 lightbulbsvoh )z/eo1aigu x+)y1 K, L, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank the current+ozav)1o1)ghiy xeu/ 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 connectedo5a5yz3v ogjd :sn n,txx20/u5/tc dd in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of the following u0 23oav/dn55d,yjc/ s:oxd5 xn zgttstatements 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 ei*ns9t y(ljids/s b,/t i15b clectrical circuit shown in the accompanying figure. Bulb K burns out. Which of the followisb bn9, /cis5ist( j /dl1tiy*ng 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 resistrayl-0* aaixjx4+x6 mqq+t( bance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the dia r lxa+ix (0 t6*mjqa-+a4xbqygram 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 conneqy 84ksfrk57z*q qjnd +i ex5pcm2*t8 cted in a simple electrical circuit with a switch and a 10 volt batterxkq *4 yeki7 pfzctdqnjm8 5qs*85r+ 2y 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 ammet6/j 9m2ebm k;cn:aj/ lyu7ezjer with zero resistance and four identical resistance light bulbs which are initially illuminated. A person remj/u9jmac7nkbylj6 e: mz e;2/oves 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 shqn m1sph k*0ym-:d2 ztny;w8yorting wire of negligible resistance is added to the circuit between pot*0y-8 zp1;:wdy2y m nnksqhmints 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) connects fe+wpq9r5,h b wgg*)sthe points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identica5b,qepw wg)s +h* rg9fl 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 gcvlg2ill 4.0m3jmt 5lightbulbs are identical. When the switch in the circuit is closed illumin0ljm 5mvg32lilc gt.4ating 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 inot igyefd roo;q ,+en3 .7-:*xhg.pnato a circuit as shown. All wires are ideal with no resistance, and the ideal battery has emf r- ehngif, d3.g+:*o;qtaonyo.ex p7ξ . 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 lis7do8klr yh6 r :xq00sght bulbs have identical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices correctly identifies the ligh0rlds s8oxkq7 r6h0y :t 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 have identical re4p+yp r*q; yh3 pd7rgvsistance,the battery is id;hrp* 74r 3dp pqy+vgyeal 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 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 l.lsvw vb)ns2(4 4 4yqc1 mcxmpight bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb #1 and from 1q c vyxlmb4p42n4.svs(c m)wQ 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, whj//: .bf/geyhingj3phm 9( zw q* *znvich one of the bulbs will not light? ejw/b*/v/hi:fn (zmp yg .z j*n h9g3q

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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 vay;w7g g rikpq6w3:8initially I. The switch in the circuit then is closed. Cokgq7:yap3r;g6 8wiwv nsequently:

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 fpl:rahr71 z 2s yt(*cresistance, 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. Which of the light bulbs will be dimmer after the sw(*2hyrlsz fr p7:cat1itch 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 lightm. a zftg wo23s85 klkmhk108kbulbs have the same resistance. The battery and wires have no resistance. What iks88l0 gkzho5 m. k1wfm2ka3ts 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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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，学生可刷题练习，扫右侧二维码或加微信xxxxxxxxxx，获取更多资料
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