Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the electa j*cc85q) ngerical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the c*ag5c8j) enqbrightest), 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 K, L, M, and N are connected in the electri ga:xq 7ufgh,*cal circuit shown in the accompanying diagram. Rank the current through the bu aq*g:hg7ufx ,lbs.

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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 lightbul5(i qonps .x7zbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. 7in.o5zp xs (qWhich 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, t7ald74uff 7u M, and N are connected in the electrical circuit shown in the accompanyingt7uu alffd774 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 resise bd8v xi80cwya h z,a,q7:fi9tance of 10 ohms, are connected in a siaa,7x:0 hbd e8ci 9qf viy,z8wmple 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 ofvh 91x7ha/j5ff r3isa 10 ohms, are connected in a simple electrical circuit with a switc f7f9rxva ha51hs/3 jih 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 shuz 68orsp1 );4jso/lmicb ;zg own 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 poo;1 6sru 8/szjg)m zpb ;icl4ermanently 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 shortingjau74jpu0 s:enhb0 9qh +0eig wire of negligible resistance is added to the circuit between points A and B. When this sh7bej0e4 +i9n0q pgs uau:h0jhorting 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) ,s yvt3*gim j kp9)q:xconnects the k)q tmi9*:gyvjs3p,x points labeled 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 sh7 gbxc*ngodj46 5u/noown. All lightbulbs are identical. When the switch ic7 gn/4b5no ud6* jxogn 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 identical light bulbs are connected iqpt4 enpge5, /(ods7m nto a circuit as shown. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the switch S in the circuit is closed, asidetns4emeo7p g ,p5(dq/ 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 sckgp7+grps r4 u6 vo(q;2u4hrhown, the three 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 either become dimmer or go out completely whenrs4c6qv; 4u(gk7rppgo rh+ u2 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 identicoopu7n9/u-h- ghz a(h al resistance,the battery is ideal and all wires have nop9o-ogh/z ahnh- u7 (u 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 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 conjri;op8q9.x/uarw h * nected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb #1 rxu*;o8hrpq 9/ aw.jiand 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 followikgm4x+t/67p hn4z(1ap qgy:n; l pfxa ng circuit diagram, which one of the bulbs will not light? txkh1pnnpz;(xq4l6:+pgfy 7gm4/ aa

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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. Tp 7n in;g:q);hnqn)ga he switch in the circnng ;p qnq)i hg)a7n;:uit 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 have idl/3s;7 q sclyf2 hss(yentical resistance, all wires have zero resistance, and the battery is assumed tf2sc ;3hsl q(s lys7/yo 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 three lightbulbs havezg:ct7/-bsoe st o v-, the same resistance. The battery and wires have no res,to7-sgs: tb-c v oz/eistance. 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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