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 connected in 6h m;sc.2plbaim9 jc/the electrical circuit shown in the accompanying figure. In l/a c.6 ;29pshbmcijmorder 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 identicalzh6y my:as.36pnt* - m.s(8x0rcuslquym2nr lightbulbs K, L, M, and N are connected in the electrical circuit shown in the acy32.s 6: hpcsy6 0-u x8r(s*un mtq arlmzy.nmcompanying diagram. Rank 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 zm*wf0e g4oe.are connected in the electrical circuit shown in them .fge*z4e0o w 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,f5boe:7w46ifzit msq0: rk, s and N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following sbt0 756,4wsf imr okfz:: qeistatements 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 16/xyfm:d fco k0o-s)z0 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shoy kf:o/ c-o fsdxz)m06wn 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 resistance x5df-p,ajkj(y w,jm; of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagram bd(5y jfkj-amwjp x,, ;elow.
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 hast7zc, 14*xg 1fychcg vm ft1)yevm:5 w an ideal ammeter with zero resistance and four identical resistance ltf5 *:c7cxh vmzygw1m4f,11ve )tycgight bulbs 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 resistance is added k :*9pk 3d0nxm,kkuchto the circuit between points A and B. When this shorting wire iph*9k:kn uk 3d0x ,kmcs 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 resistp-*k 2nhkpld be 3lr2/1nhm(fance) connects the points labeled A and B, which of the numbered light h(lp*pkl213khdfnbe- mr2 /nbulbs 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. ;/s- ynyp 75g0ehcqth All lightbulbs are identical. When the switch in the circuit is closed i /csq-eh 7pt;g hny50ylluminating 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-rw9*4)fmw ;ee cwf yom, 7bje lys.,j circuit as shown. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the sw*.yc7jyme w9ew; ff 4m, jo-r) ,blewsitch 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 bul(trm00sxvo + lbs 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 o(v0tr0 x+mls 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 reycu e.s74bf :1mipu e8sistance,the b:p.uy7c e eb814uimfsattery 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 has 4 identical light bulbs connectef )u rmew39s0kd to an ideal battery. If bulb #2 were remove3wef )9mrkus 0d 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 circuit diagram, which one of the bulbs will not lap typ*(;1u1y* nbj /* oorx-rikxn2jight? kxurxno1;b-p a pr 1jt**y/yij2 no*(

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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 initially I. The switcb h54go; 42ezgyf0jfrl x(9y lh in the circuit then i5y4 z0h rlb;fe4 f2yggojx(l9 s 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 ic qpabg)mvi.+x-a+) i,*t7o4w l1y x 8chtetfdentical resistance, 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 circu*4wai.+x1x +ttmbg7,co 8c ) pvhef-ty )aliqit. 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 shownug9o s/ x74:fvs6mzr s, all three lightbulbs have the same resistance. The battery and wires have no resistance. What is the proper ranking of the bulbs x4orf s:v69m/7suszg’ 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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