Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N areq*:bd 3zua0ylh wj9o9 connected in the electrical circuit shown in the accompanying figure. In order of decreasing brig y:9b*j0dl o3z haw9uqhtness (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 rn( pxb, +vdt -xhk41blightbulbs K, L, M, and N are connected in the electrical circuxnx, 1b dvt-4h(+pbkrit 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 connected in the eleidb yr 3)f9a*octrical circuit shown *)b9d yai ofr3in 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, az0it +qw7 nec;nd N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the followinezqcn ;i+w7t0 g 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 10i6s,y+ 42rx gv mn.zvy ohms, are connected in a simple electrical circuit with a switch and a 10 volt bni2 6m+vzyxv., 4sr ygattery 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 ls92k,/qukx0.i fdan bulbs each, with a resistance of 10 ohms, are connected in a simple electrical d q.xu/ 20ki nfks9,alcircuit 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 w yo(7)9w; r lmp:vlrvdith 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;wpvr )mld7 l :v(r9oy 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 resistance i qr/p al5 v32d+tfyrx,s added to the circuit between points pr3+y 5a df2lxv,rq t/A and B. When this 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 shown, when a shorting wire (no resistance)h : 3j +*t4iqnzdgg 81cr-b:em;jnii j connects the points labeled A and B, which of the numbered light84r*-intnjd ei1q+jc:b : img;g3zj hbulbs 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 xi:rqyrlr2: ,bk(y q3the switch in the circuit is closed illuminating bulb #4, which othxklb,i q2r:(3 yyr r:qer 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 m/rd1m*x;s7qd h)kpz circuit as shown. All wiressqmx)7mrdpz1;* hd k/ 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 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 res018hdeb mg1zuuy(d2 qd 79s ugistance, the battery is qz8 (uuhmeudd1g09b172d gsy 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 lightbulbs have ideew jh;2(xn focz4b s52ntical 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 b 2;w 2hxsof 5znjec(4of 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 l*e2e)mn z y-ww7s7oln: 5-hop0lp yfvh7o kx)ight bulbs connected to an ideal battery. If bulb #2 were rmwpe:7 khhl02nv-e7wo y*)n7oos-p )ylz x5femoved leaving an open 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 diagram, which one of the bulbs wim2 /,yzwf1 cfsll not light? wmfy ,1z/s2 cf

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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 showl2cacwlu jhwh/ -*4gkm..sj . n, the ammeter reading is initially I. The switch in thelgsjw-hjc4 ./w cu hk*m2.l .a circuit 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 circuipm jw f1a+mk /z4w8zw)t shown, 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 resistanc 8wk4jmf1w)a+ /zwpmze 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 lightbulbs have the sameo hd0erk,:,7zod6 yd f resistance. The battery and wires have no resistance. What is y ,eh7drdo kozd:06f ,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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