Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs Km .hdcyf4n2ejbg0wl * +mz/2y, L, M, and N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), thelygh2 zbfde*nyj0c.+mw 4m /2 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 lightbul tio.xf .wxipaoqpuo/:2c t)/5b)s y4 bs K, L, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank the current through tc5.i42spq bo :a ))io xwoyp/xu /ft.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 lis3 qo5ig5tit 5ghtbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb M 3iigts 555oqtburns 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,/txfkq ;gq:botx-4 i* M, and N are connected in the electrical circuit shown in the accoigqxb-;*ftk4/ oqx :tmpanying 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-7n*x xb8gm nt 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 dixxgn- n8mb t7*agram 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 ohmvle 4p 2g+ecp-s, are connected in a simple electrical circuit with a switch and a 10 volt battc24e-elpg + pvery 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 show;s/3 yhgzd: jwn has an ideal ammeter with zero resistance and four identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket thereby permanently breaking the electrical circui:3d /h;wsjygzt 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 negyk.h2:l1 4kr otj;xt6guhs.3t jejd6ligible resistance is added to the circuit between points A and B. When this shorting wire it.ttjjl2g urs.e 3 ;1k:oy4kjd hxh66s 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 (no8jhi:0bjhvhqmj(dk) kt 736h resistance) connects the points labelkhbih8 0qh(h6:vdj3jm)7t jked 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 connectedqp*eh d hnd:(6zp n8i/ as shown. All lightbulbs are identical. When the switch in the ch pdzdn:/ h(e*pqni86ircuit 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 b6 e * vzipuoy::wys6e,- 5bqtrulbs are connected into a circuit as shown. All wires are:ye6tv- wo uq: spz5b6*, yrie 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 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 three9 *mq:7ovnq07 pmdzpcet (zb4 light bulbs 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 e79:oz4b peqzvnpmq m7c(d*t0ither 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 have identz/bd4 -;w6e8cuwt qei65 x ikwical 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 magniti8et-6c wu;wiq kx4d /ez56wbude 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 4xg:0s mmm s06v identical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb #1 and gm 6:m 0svsmx0from 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 bulh y2ow1knd09 vr06oc rizkr. 0bs will not light? rz ck0d1 6oik.9y2 nrohvw0r0

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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. Th7jw0- ta.k qp3ym(kmke switch in the circuit then is closed. Consequentk yaqkmm73p.wj-0k( t ly:

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 fourj7ywcvlp99)z light bulbs have identical resistance, allcpyz9 7wl j)9v 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. 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 6ei(d 18bj .zn2 uwdiffxt3g,3rrx2a three lightbulbs have the same resistance. The battery and wires have no resistance. What is the proper ranking of the bulbs’ brf6ra1j br3z2fu8i(.t dd 2xigxn,3we ightness?

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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