Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the elew0jyb rrw2 .tm,sd59hctrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest),wr5j.h w9ys0 2 mdbrt, 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 0m o2;nzwk6vvK, L, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank tovwkz2 mn6 0v;he 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 connp i3 i 0oe(l+u1mgoav6ected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of the following sta ao i(30lo61u i+gmvpetements 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 aref p s0 y17udeqcx m2oe*4ys+7s connected in the electrical circuit shown in thefpedq0y 7c y7sm uoe24 +*sx1s 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 resistance of 10 ohms,*9kj/ tb9cb68omz hkv u5c1;,,mwwgdvaup 4w are connected in a simple 1 ,a5dc,w;btv 4o wmubgv/ khmpwk8 zj99 u6c*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 of 10 ohms, ar (o1jo 7 ak+-y/u2vu:va oqy1wnc)zyge connected in a simple electrica2 o/yaj 7:un+u1 ()q wvazoyok1ygc- vl 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 has an ideal ammeter with zero resistance and-/d yu4vj6wij -cbi7 x four identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket th67ji4 c-dj/uby vi w-xereby 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 neg2i*0y:9jh m7 r-sx xry 5c:foch)hc hgligible resistance is added to the circuit between points A and B. When this shorting wire is added, bulb #3 goes out. Which bulbs (all identical) in the circuit brighten?- *xh 250j:cxhohm7f:c ysy)rrhicg9

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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 short0 b g 0*)zvjem 7ee/s6kawc5xving wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are iden6e 0*v7wscgvke bzeax/) 0jm5 tical 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 lightbulbsgkrw6bb) *bfw3 (i-f +uksb b8bp m9a3 are identical. When the switch in the circuit is closed illuminating bulb #4, which other bulb(s) alsp3 akb9w+ r63bfb mi(wb*- 8)gsfbu bko 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 circuit as su*yva /a2q;ofbrjc+ w(+ tml6 hown. All wires are ideal with no resis tcw(v/b6uqym2foa; *l r +j+atance, and the ideal battery has emf ξ . When the 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 shown, the three light bulbs have identical.rf j;; af)qq 2r6k0tkql6 smb ,2waws resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices correctly identifies the light bulb6aq;f r l . ,0t)rk 6;j2kqw2baqmwfsss 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 lightbulbs have identical resistance,the t +kafug 3g6t* ;kyxe:w a//xkbattery 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 difference from Wto X?a3tk/ af+ k6 yw/egtu:;*kgxx

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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 hav1m) a o/,gvfas 4 identical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb #1 and from Q to1f gvm/o)va,a 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 tt87h)o-b sq3g qe)j vihe bulbs will not light? q7hv boi8te))-3gsq j

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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 readin j+ w.xxkf-cf-g is initially I. The switch in the circuit then is closed. C-xff .j+wkcx- onsequently:

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 shskyab-p9s-2) *x twhhyf9x(yk+ ov w5own, the four light bulbs have identical resistance, 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 bulbs will be dimmer after the switch is closedyfx 25tysbyohk)9a -+-ws w(h pk9x*v?

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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, 7xm v5lr*5 /diaq.kicall three lightbulbs have the same resistance. The battl.i5/k 5drax7 q civm*ery and wires have no resistance. 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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