Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected inlansk6(8 u 4j+ oepl-n the electrical cink 6au(js8+lplo4e-nrcuit 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 lighggn g o/aq s;(/5tb3mttbulbs K, L, M, and N are connected in the electrical circuit shown in the accompany /g m3/n (;otsg5tbgaqing 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 are connected in th :jlwxso9+ ig7a39b4w. urp vpe electrical circuit shown in the accompanying figure. Bulb M burn9j4ul +i9ws3 : bp7wrpvaox .gs 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 N are connected in the electrica mluce.ac7im:8rq y6 ,l circuit shown in the accompan6r iql.7cm e:cumy,8a ying 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 ks / 3i3q nz/)ddcsstwcdtuq 300b;8b, 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 diagra it /c8k3bs33)dq0bzs nq0ut sddw ;c/m 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, are z p;r t f;5l1/7-pnu bhurisc3connected in a simple electrical circuit with a switch and a 10 volt ba-/n3;up tbuz;c 7ir rlh51p sfttery 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 shown has an ideal am-mide,dl2 pk8 meter 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 cii d,2ekd l8-mprcuit 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 negligjcv 0nnmw x6 -;0u yt4acf+r2qible resistance is added to the circuit between points A and B. When this n0ycq+ 4ju6ta -0fv2rmwcx; n 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 sh*k erer ex-. re80qed28 ai*ipown, when a shorting wire (no resistance) connects the points labeled A andr *e 2 ee0pexadqkre-r*8ii8. 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 ligh8xk svn;p3 n(ytbulbs are identical. When the switch in the circuit is closed illuminating pv83;nkyn (xsbulb #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 buxzg(eg 5goj0hz*js9j*i: l 1ilbs are connected into 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, aside from bulb #5, which of the other bj0sjg z *1g5j:el(9 iixgho z*ulbs 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 identical resistance,kq,n7en jhc, 2 the battery ishcn j,qekn7,2 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 shown, the agg j+4r(8wsbx h(.fkfour 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 magnitude of the current at the point labeled P and to the magnitude of the poten+xsgw(abf r.(gh jk8 4tial 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 connected to an idek sk5n r;x.7xt6 rb9opal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb #1 andtkrkp.6oxxn7s9 ; br5 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 c/f f88m,gj/ln - osfjjircuit diagram, which one of the bulbs will not light? f mlj/njfj88,fg-os/

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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 readi58( kjuiwrvq 7ng is initially I. The switch in the circuit then i7j(8 vui5wrq ks 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 j.+l5ce ti;/a9qf4,upydwn d1j if.t,f*yf llight bulbs have identical resistance, all lu,4qfyin .1*fd f.5dj /c ,f je9at pyitl+;wwires 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 circu( -e( 9wnhban xy+r;p odwbd)ag+v 7/pit shown, all three lightbulbs have the same resistance. The battery and wires have no resistance. What is the proper ranking of the bulbs’ bv(ahp obp wg/r7ye- )xn++ 9;d n(bawdrightness?

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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