Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs vr5j p+ew 8el+K, L, M, and N are connected in the electrical circui e5rw+e p+j8vlt 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 lightbulbs K, L, M, and N are connected in the eus zpx8t 9h7dm:/z: salectrical circuit shown in the accompanying diagram. sx7m:: dtzpauhs/8z9 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,uuo-p3b+cqn 2ld3gt , and N are connected in the electrical circuit shown in,cl 3obd -nqg32upt+u the accompanying figure. 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 identical lightbulbs K, L, M, and N ayg,xf15 2vygvre connected in the electrical circuit shown in the accompanying figure. Bulb K bufxv,5y21vgy g rns 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 lighxb (.b3x zalv5t bulbs each, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch an.bzbx(v 3lx5ad 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 ohm oj1)y0ldst,xp4op g+zr7z x:v.q n2h s, are connected in a simple electrical circuit with a switch and a 10 volt battery as show nhvloo2 7r 4z:g0.xsdp + 1,qx)tjzypn 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 idea se94v/lh8qn+/x wel ll ammeter with zero resistance and four identical resistance light bulbs which are initially illuminated. A elnw48eh lv9qxs// l+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 negligible resistann oye*umc 4;qbhw8: w+ce is added to the circuit between points A and B. When this sh:ue;hwbnc w moy*q8+ 4orting 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 rek2f4 --;(orvjh s cldusistance) connects the points labeled A and B, which of the numbereddf sor-(v- 4lju k;2ch 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 lightbulbs are identical. When the mhn0;* .8n lt ;sn/mv+0 mj6tmn6qz 7p eogfrgswitch in the circuit is.o7vmn ;mg6s jzmh*f+ n/;e0qt 8pntmr0gln6 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 lig,y ;ur5 y7d)835kari rlros uoht bulbs 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, aa7k5ulryu3y,8; rrd orsio)5 side 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 havpt5sf7qtue+d: tzpn:5hf5n -e identical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices corrf: hnpte+-5ut55f nstq zd:p7ectly 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, the8b.ua9wxk. i8edu x-3 wuf)en 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 wwb-f.x xe ua88n3 d 9u).kiweuhat 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 connectego j*1 7,biq4(di ljwjd to an ideal battery. If bulb #2 were removed leaving an op(qbij* i, 7 j14ojglwden 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 dia(lu qpvs/em4. lr49nqgram, which one of the bulbs will not light? nms( peqv 4ulq94.rl/

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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 sho * (ukbd:k217t 0wjbxza w .nger.(pfjwn, the ammeter reading is initially I. The switch in the circuit then is cloj:k.w0* 1kfgrp b. xjd(7t(az wnueb2sed. 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 identical rghn4f*w (( rtdesistance, all 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 bulbst(f*wdnh g4(r 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 circuilb *sr8*bah )fli 45ayt shown, all three lightbulbs have the same resistance. The battery and wires have no resistance. What is the a5alybbf) i8shr 4*l*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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