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

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the electr2, 7pvggft bo)ical circuit shown in the accompanying figure. In order of decreasing brightness (startin gft ,2)vopb7gg 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 electricalrecb : t:l;i3e circuit shown in the accompanying diagram. Rae cr;be:: it3lnk the 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 azwe)os 8)p) grre connected in the electrical cr)oz8 )spwg e)ircuit shown in the accompanying 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 lightbulbs K, L, M, and N g+ok7k6) xil jare connected in the electrical circuit shown in the accompanying figure. Bulb K bu 7i6x+lj kgok)rns 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 w70gh9lt2 aipohms, are connected in a simple electrical circuit with a switch and a 10 volt bati2h 7pgl 9wa0ttery 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 identical0z-7ged r n:.qvya dv1 light bulbs each, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diarda.g-7qven 0d 1: vyzgram 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 wiq z. oy 6+(gjlxd rq*t(4hcvt3tsw; n0th zero resistance and four identical resistance light bulbs which are initially illuminated. A ytdzr.nh0o(vqs;w3j x6(c t+q*tg 4lperson 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 xpjr:9 tba4f1 g4b4 (0kora xyshorting wire of negligible resistance is added to the circuit between points A and B. Whenk x41gj to ( ray4:abxf9r04pb 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) rrt0aa.p h x cg;-(ao6connects the points labeled A paa ( 0g r6xcrta-.h;oand 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 lightbulbs ary p*pbjqan2*5 g+3vdve identical. When the switcdgv b3+ *pyq5v j*n2pah in 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 g/3fi* v67k e8ggr9oxvnwy- ba circuit as shown. All wires are ideal with no resistance k 9 f7oevbvi-wn3 /ggxgy8*6r, and the 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, theog (i+9wbys,z7;zkq+on m: h u three light bulbs have identical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices:ho;io zgq k(w+n,z uy97+ bms 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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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skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力

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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 circuitdgl( tzv+c9 jhl, c0e: xdk9x0 shown, the four lightbulbs have identical resistance,the batter9zx0,(jv hx9 dl:lg c+e0 ctkdy is ideal 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 haewvgb2oo24cx1 c yi0 0s 4 identical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happe102v20 ob4yig o ccxwens 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 diagiv.vp. 3 )y2zinu*olyram, which one of the bulbs will not light? oupzn yvl*iv. )3 2iy.

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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,97csy(ku ov2kyn eb fn3f2p .. the ammeter reading is initially I. The switch in the circuit9p y7cv2(nfyn b3e. .2ofuksk then is closed. 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 i u,2l.emy5a*uv-9ilv zygz/ resistance, all wires have zero resistance, and the battery is assumed to be ideal with emf ξ . When the switch, S, i* / zlivga92u.lueyz,m 5 -viyn 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 thrwfk2 am,)e4zl,tp xal1lf4)2x jmc3nee lightbulbs have the same resistance. The battfxnf,ej1z),xa)l cwtl2324ma4k pl m ery and wires 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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