Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lights+h+jhr w80 ldbulbs K, L, M, and N are connected in the electrical wsd8+h j0 rl+hcircuit shown in the accompanying figure. 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 )vl hvey -z1aq cr.:q:K, L, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank the currenaq ehc 1: .lq-z:y)rvvt 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, ee2 (iu:5.gs j(g 3i+iuuc bdaand N are connected in the electrical circuit shown in the accompanying figure. Bulb M burdic 5iia2:b(egjuu (+eug3. sns 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 2d- hk+rq py,oN are connected in the electrical circuit shown in the acco2yk qoh-d r,p+mpanying figure. Bulb K burns 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 6yqs shlm 7;(tec5kjou/q /jw(wsx1;of 10 ohms, are connected c(17/xmoe (wytws5q /s ;lh j6uqks;jin a simple electrical circuit with a switch 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 eh y yrl(fe 4q8me:dpstch;6+ 2enxtu47 .ysg-ach, with a resistance of 10 ohms, are connected in a simple electrical y y-4eyps+.m drxn c 2(h 6:ehgf;87t4el qsutcircuit 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 s 8gtuefv+ycn; .4e lk8hown has an ideal ammeter with zero resistance and four identi;te8fen c 4 k+8u.lyvgcal 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 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 negligg-/,so l d zzqe4mrsc83 fd.wdc -h+crtpf-54ible resistance is added to the circuit between ds3w4d.-c ,- f+fq s/m clprhg-4crt5 zoe8zdpoints 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, wh /lm2c h3pdgqsawt -/*ahi9 )yen a shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identical and a39hc*w/p2/ mli dtq-gs)ayhhave 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 wbl.+ pdr eoqq 7jr1yb1+ 1c+uas shown. All lightbulbs are identical. When the switcb+qery r+ 7d+ .j1bo1lw1pqu ch 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 identical1f.m x*8 yetxx5 dyswv:oh9u(q b0 0ly light bulbs are connected into a circuit as shown. All wires are ideal with no resistance, and the ieyxq.mtu 8bx v 0y:x1(wo 50hd*9fl ysdeal 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 lie2 :;tg l1e vh .wggha)-b sko+z16ohhght bulbs have identical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices correctly identifies thet-ghlkgz.) o+2h1 h ws bhea;g:16voe light 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 hae)w0n w8jxf e8ve 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 tf ewn 0x8e)wj8he 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 con+5qdse bdhfgnqn4k f44a c*(2nected to an ideal battery. If bulb #2 were removed leaving an open circuit t 4fa*2 4(sdqkb5+qdfhngen4 c here, 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 l/rdj e)bs a w xy54z-oxn1v6d7pcl7o,ight? drwe5s-7, layb4)c nojop1 xx d7/v6z

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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, th rwo- pw-, eds6ly h/(taxtpso- -u4f,e ammeter reading is initially I. The switch in the circuit then is closedtosd spf-,pw6/ wl r,-ue4h xt -(ayo-. 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 ident p1 bu ac(j2tde( 4n.zxy2)aoyical 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 udn2a xjatoy4ec(y(z)b. 2 1p 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 three lightfp150alg+y hk bulbs have the same resistance. The battery and wires have no resistance. W fy a0g5hpkl1+hat 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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