Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K041v twwqm ;ob, L, M, and N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightestqm1 4 wt0wbv;o), 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 g19ixu6s rji.K, L, M, and N are connected in the electrical circuiiguj .6ixs r91t shown in the accompanying 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 arg o4sb jby4,3va+df ,awx1 yi8nz x17ye connected in the electrical circuit shown in the accompanying fig7 o3b +d4 4syagwyja,nybx1,z f1vix 8ure. 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 identicalup,l0qpcgkwv f ;z( yreun3h;-n; s0 6 lightbulbs K, L, M, and N are connected in the electrical circuitn3q;0 pfl0ukre h(usy;wv -zc p,6g;n shown in the accompanying 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 of 10 ohms, are fhau zt 7ojm)z l)xz7r f62k:;connected inkoff m2rj6a )x )lzh7: ;7utzz 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 each, with a resistance of 10 ohms, d yhb 4+z:+f,hpgb ;ubare connected in a simple electrical circuit with azphf b+ b;dy, +h4g:ub 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 show0conkks1 z;, xn has an ideal ammeter with zero resistance and four identical resistance light bulbs which are initially illuminatxs; no c1,kzk0ed. 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 negligible2i(ckb gu- tycb :fbp,6;jl*b resistance is added fb-ibpblg(t2* y, cb c;j 6ku:to 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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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) connfm: :w ip6sxq6ects the points labelfqpx6 is:m6w:ed A and 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 ligo46esmz sd7 d9 tr4-zlhtbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, which other bulb(s) also dr9lzss-6z m4d to4 7ebecome 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 as y-t 5,0 rnpx btmh 58vuepg:2cshown. All wires are ideal with no resistance, and -h82v pu5,t epn0t byg5xmrc: 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, the three light bulbs hagkv12vbc f4n9 9 giq eubv9/0n hl)5qave 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 the switch, S, in the circuit isqa9vg2bh kng biv5n9 4fq1)v0 c9/ uel 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 haveo 27zhk3jr j*owqdrjy6kq-)l yi v( 3, 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 dihyryq 3q,ikd 3jjow7 r-() j k2vzlo6*fference 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 l3* ckm2z-imk4l q x.tuight bulbs connected to an ideal battery. If bulb #2 were removed leaving .zctlmm3 iukq k -2*x4an 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 lighd7n36s0h)86 gy y:43iwbui rrx lhf tht? :yhfi0bxirug4w3r sd3h8h n yt6 6)7l

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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 ammetfb tuv-(0:p ,u;usr ijer reading is initially I. The switch in the circuit then is closed. Consequentl,u:bi(vp stru-0ufj ;y:

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 x ft xpexb- wd.zq9*lt1ctu -o8)b:h1resistance, all wires have zero resistance, and the battery is assumed to be ideal with emf ξ . When db)w*- -u.c q ztxtpf :91x1hlotbe x8the 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 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 lightbulbs have the same resistanc;vgskk k9nl o a.+,zt/l+m/age. The battery and wires have no resistance. What is the proper ra ,v;g .l+k/tm9k/o nlzg+ skaanking 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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