Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lig(vnyu3( m/ dvpql-f-u qqemmfvl),2. htbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), the bulbs arevm-flup,lqn q / m.vvd2q(3 e(fym u-):

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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 lightbulbs0eb ajcz*p0zwp0w5xvg;6 sk* K, L, M, and N are connected in the electrical circuit shown in the accompanying diagram.0; 0pwwx 5zck zvg*b0as j6pe* 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 0u 9ie*qw ;4+lrlmicz 9ewd*gN are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of;ed*4l c*zwgw+qi9l9 mir 0u e 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 identicaltk :7c deji8gz :7db6i lightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following d:g:tie77kd8zi 6cbjstatements 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, wit9 ywno0kyi p )obp pmn6;k2.gxbg33x0h a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shkpw.by6i) ;o nggp00xmnp3by 29x o3kown 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 110jgct;tj7wce 5m1r d;cuhe, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in thr1tc0mc ;5; j1cj detweh1u7 ge 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 sp4wd51 h-you flzuf)g+ 11abrhown 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 circuit at that point. Which statement is true of the circuit after re + pgd br)1 ohffaz141-5uwyulmoving 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 shortin7xl 9h+qm4uf 9zxjx6 mg wire of negligible resistance is added to the circuit between points A and B. When this shorting wire is added, bulb #3 goes out. Which bulbj97uz fx hxm9q 64xml+s (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, whz0k6u2 hnvom/a;8nz)q)t( tc7gsrtx9( za lv en a shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbu 07s/ra)znav nqz tx6 uz2 ogv;9t)hlcm tk((8lbs 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 connec,l 2e.llsd sg*sq3k:k ted as shown. All lightbulbs are identical. When the switch in the c*ld l,se2k.ss 3kg:l qircuit 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 bulbs are connected into a circuit as sho9wou(v0/fqy+q(g v9 oqatjpa* 0zf b, wn. 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 bulq(gp/9( wy j+uaqoz0v f b0*qvao 9,ftb #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 have identica;c(ai dgsw8k 0 ;vvd;zl resistance, the ; wc0d gksv;8zdia;v (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 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 shown07*v1 rtuz 6 muo/u-pi ojm6rx, the four lightbulbs 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 magni6o1v0up*67 trmj r-m uuxi z/otude 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 connemimlpczr(0ipj 4 -0h -cted to an ideal battery. If bulb #2 were removed leaving an opr 04i mpjm-l(p zhi0c-en 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 circ s+ metjp/,sof kdg- u68ib/8yuit diagram, which one of the bulbs will not light? ytk-fbs8 , pdm/uj/+gis6 oe8

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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 ammeteroj3 qo 29ykw3ewc1o,gj+oo *j reading is initially I. The switch in the circuit o ,yqoog2j9 +eow 33 1jcjwok*then is 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 haqb+(z cw ,1a/uzl uya1o*yt a+ve identical resistance, all wires have zero resistance, and the battery is assumed to be ideal with emf ξ . When the switch, S, in the circui ,*u zlza/wb1oy a1ty++ucq (at 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 light+vbui;pj-h5w 5 vh onjb85o 5tbulbs have the same resistance. The battery and wires have no resistance. What is ph-55t ib; bw585 oj oun+vvjhthe 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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