Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in t mw xlla:+,6vahe electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), th+lavl:xw,6m ae 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 i g a wk /zdn2e,1uv7gh:nasw5xo:;qo ,n the electrical circuit shown in the accompanying 5a/o2sgdq,a,ex: nzwkng1;7vwh :oudiagram. 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, Lies)2. eyj 9:y* grlvg, M, and N are connected in the electrical ci9y ljs:v2gg) e e.*yrircuit 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 lightb2 q x:uu0wt h.-g/5 :9x5aygs + gwpgwnreh:dbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of +y-r wggd0 5tns /2xg q9g:.5ph:ewbxwu: uhathe 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 resistancef 2uxznmgxj k4x36e.s/ hij odak.ru/6fn9 (: of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery asxk rf 6i9sjkuzd.o:.mf /63 u2x(agnxe/h4jn 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 resistance of 10 ohmfttew -6n5( ems, are connected e5m wnte6ft(-in a simple electrical 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 ideal ammeter with zero resistance and fonr/+unkqm ;7m,so)fe ur 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. Which statement is true of the circuit after rf7q;m)em r / u,+noknsemoving 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 ,gvvm,1zvp+; f p c9ahadded t 9fm ,hzvc+v ,1vpg;apo the circuit between points 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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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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9#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

09.26: For the circuit shown, wheo k gkvp-60s*en a shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume tha6 v 0gsok*kp-et 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 are identical. W5hz ur+c69nif2 -kzcghen the switch in the circuit is closed illuminating bulb #4, which other bulb(s) also becomec65zg 2-r9 hu kizn+fc 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 a 6rmz3nwm/sy/x0lb0idlsf;5s shown. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the switch S in the circuit is closed, aside from bulb #5, which of the other bulbs5bsm00 /ywl3; lfnxisz6 rmd/ 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 9yrl2f;mfj p 6resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices correctly identifies the light bulbsfj pfy2 9;6rlm 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 lig //ej urfz)5b6bj r;f( /zoagyhtbulbs have identical resistance,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 describes what happens to the magnitude of the current at the point labeled P and to the magnitude of the potential /6/u fgf bz;ro(/j) ej5ybrza 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 ideal baqc53k2g rr(x,b v;r-yvyxrb; ttery. If bulb #2 were removed leaving an open circuit there, what happensby -5r;2vxx kyr; brgqc3 r(,v 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 s s* gaegh4,x;of the bulbs will not light? ,a4*; eg sgxsh

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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. Thd.)furhyi s6 (iu:r u+e switch in the circuit then is closed. Consequrd.+ih(6uyf )uui s: rently:

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 resistance, a(x:h em/dcz :7he4 +vud-ap-qfbynj.ll 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. Whudp-ebf:c7 +/dzevjah (4xm- ny.:hqich 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 2mwh,/7fe rralightbulbs have the same resistance. The battery and wires have nfhaw7r,rme 2/o 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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