Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the e*h bno-y; uw3x 9m*zoylectrical circuit shown in the accompanying figure. In order of decreasing*-*y xw;z 9y3 nmhobou 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 ligh2qeb 22. sszattbulbs K, L, M, and N are connected in the electrical circqa.2es 22t zbsuit shown in the accompanying 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 connected8o) kd )fkuh pfq1oq)fx2w*,b in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of the following statemenupf2qk d*8 ox1)fw )fh),q okbts 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 electridyn4ixe5fm/z- a vt a9m;+)oq cal circuit shown i+)dqm- 5/fv49nxiyt aa m oz;en 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 identica7ri lurh+m 2 sa(8hmq3l light bulbs each, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch amlh (amhr7u q+i82 r3snd 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 :wx 2*o idt, 6ad:axni10 ohms, are connected in a simple electricaix2w, dti:6:*dxnoa al circuit with a switch 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 shown 3ycrr 2q cil*7has 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 therebc rc 3*q7iyr2ly 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 circuitu3:f2j7 hiah 5wsyfpd9etw76 shown, a shorting wire of negligible resistance is added to the circuit between points A and B. When this shorting wire is added, bulb #3 goes 3sjhieu5 hya67fpdt9 f27 w:wout. 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 r snhi)eq(o.k7i i8m 0jesistance) connects the points labeled A and B, which of thimqi.e )js (inh k0o78e 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 connd/srl8073 gi mgso:odected as shown. All lightbulbs are identical. When the switch in the circuit is closed illuminating m:r0/ d8 g3 sd7iogslobulb #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 buah7 1 nej(,tfr (vhg2llbs are connected into a circuit as shown. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the1 (fgjl,7(nahh tr2ev switch S in the circuit is closed, aside 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 shh23 (zqhlf1 ikown, the three light bulbs have identical resistance, the battery is ideal, and alz f3il h(2kqh1l 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 ligtc j2 sb7 m;cmm),hpk6htbulbs 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 potential) ht7bc,kmjs2m6pc ; m 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 tocz 4; iqdzyr9)6 ena8jst0 /;g rjhnw0kq:d0q an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb rk8;w/ 0q:9 jean60;hn 04rtyc dd)qjzzs qig#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 diagram, which one of the bulbs will not lightq mb2o+ x,o h3l63xeukbhj;q.f+* mpr? *x+;kloo 3mup 6qhj.,fb mbe2+q r3hx

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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 trxivr//5xgf9 9yi/w I. The switch in the circuit then is cw vixt9gxr y/r /if95/losed. 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 res nww+5, aa0k2zcmgxg2istance, all wires have zero resistance, and the bawa2a5zxwg0c ngk2m , +ttery 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 dx2gtbd:ju; .meh* e, three lightbulbs have the same resistance. The battery and wires have no resistance. What is the pro htdeem*bgjxu d.,2;:per 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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