Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the electricalnvz:3 tzat u9gj5 my82 circuit shown in the accompanyy:z t 8m nv2t5u3gjza9ing 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 cohd.25 skfjx) vnnected in the electrical circuit shown in the accompanying diagram. Rank the current through thv2fs.5j)h dkxe 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,q49aar(.z5a t+i8ffo d8gkim and N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of thed+rf589qg4.ai za fo (t8k mia 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 electrie0w(ah -cm mqkuqoc*h ,g;dwh-m -6;t gli ./ical circuihw(e-qmm6cdk iu/.0q t- ahigco ; wm*lg,;-ht shown in the accompanying 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 rezb (8t f5esq2xsistance of 10 ohms, are connected in a simple ee2xfz(btsq85 lectrical 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 of 10 ohms, are connc gskb6rf l8*gm)q8m 0 kmo5*rected in a simple electrical circuit with a switch and a 1mrgm*k8gf8c5 *qm6bko rls0) 0 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 shown has an ideal ammeter with zero resistancuwi/3p;-l t u9jwtfrm vq0:c.e 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 .ljuw;t3uiwcqrf- 9mv0p/ :tthe 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 resista q,w bzs2b6tt.nce is added to the circuit between points A and B. When this shorting w6twq bt,b2s. zire 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) con+y67eu3yia cr9h 4myqi :51a 4jqdplqnects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs ar4m 9 iy46y51 ye qaiah+qcrd73:ujpqle 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 connjs:v og*gca co t7d9q14/azc8ected as shown. All lightbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, which other saa z1cd t :goc*47coj/8gvq9 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 +qc zofz o60l(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 fromo0( z6 f+oqczl 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 bul+ eyff , 7 l-wo16hu9ureie7ttbs have identical resistance, the battt f7-+l uw6it9 h,7fey1roee uery 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 shown, the four lot(h qqq.v1rrlo do)3 b (-u2kightbulbs have identical resistance,the battery is ideal and all wires have no resistance. After the switch, S, in the cirror ouq1(b)(q d3vlk2oh.qt -cuit 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 identc:y2amuph1 fv wx p/1-ical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an cmyuxv1 /1h pw2-f p:aopen 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 diagge9f-tyj1 -xe ram, which one of the bulbs will not light? f1gj-y 9txe-e

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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 i9ltmc r/ mq72p1dg 8cbnitially I. The switch in the cib 18dtmcl9 7 qmg2c/prrcuit 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 shouhz)f u tu)6v 45nn:qqpsi09 kwn, the four light bulbs have identical resistance, all wires h tkun5qv ns64uh))q0:fu9 pz iave 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 three lightbulbsznx 4c:: 7drahtw8gr9 have the same resistance. The battery and wires have no reswz:d8r c:r xh9n ag7t4istance. 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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