Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in tkv x uelatx;l7)5 *ea.he electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), the bulbslvxextkel75* ua ); .a 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 lightbnklpg(9*4pr, ca*)p 7pzs gq hulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying diagram. Ran q ,z7( nh* gpa4rsp*k)pgclp9k 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 exeo a2o z4ak +jn+2 so)z;w7smlectrical circuit shown in the accompanying figure. Bulb M burns out. Whi;zoso2+72) 4amnsa+ wejkzx o ch 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 are cou* u1w7zl -mvonnected in the electrical circuit shown in the accompanying figure. Bulb K -7 u1lm zuw*ovburns 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 dqo8 9ohy+ji2ak5)n r 10 ohms, are connected in a simple o rho9jn aiq2y +dk58)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 yabh k 4rxf4i.*5uh:ld6cmd- resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery 4 uil6 xhdhy*c fka5b4. d-:mras 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 fourhl h9vyuwf t 2k+s87xqi+*x. zi;uxe8 identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket thereby permanently breaking the electric i8x+ vxelhthks;f9ixz78w+yuu* q 2.al 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 od m)z;3q1cys rf negligible resistance is added to the circuit between points A and B. When this shorting wire is added, bulb #3 goes out. Whdcy r)z31q;s mich 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 wi/qgggf+b: c 8+qd;xkz 2p qr,lre (no resistance) connects the points labeled A and B, which of the numbered k; cbd,r:+fz q qg2pxgqg/l+8lightbulbs 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 con 6 +5lyaaccq dgek2za27*x/gknected as shown. All lightbulbs are identical. When the switch in the circuit is closed illuminak cla22qy5e/6+a xzcd*k7 g agting 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 light bulbs are connectv,7yb+j3gl hy):8 lajayk 2jued into a circuit as shown. All wires are +jh ajy7 g, l uyb:jyl83k2av)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 idy5+mjn gw p+s:entical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices correc w5+n:jms yg+ptly 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 mf-hnv /ism6n5*ajp6qo1a( dlightbulbs have identical resistance,the battery is ideal and all wires have no resis*aqvdo( njn 66-m5/hampfs i1tance. 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?

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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 to any: vxlzfq jbk:3g u i 65(+jhp.nw gsu;a0,7bk ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb:bk w j,6gjl3;fh: bk0zx7nqg 5vypi+(.asuu #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 5 l2sd sr gt*0rb(g*vp kk xnm.me./k-circuit diagram, which one of the bulbs will not light? lkbre2.*(msg gp m- skr.d* 5/vxt0 nk

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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 a/uhro:+ a 4qaff1tqy3bg mc10mmeter reading is initially I. The switch in the circuit t + 1cyo1tquf/:fhq43m0arg abhen 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 shown, thk8.z hdbs,- zke four light bulbs have identical resistance, all wirkk,- 8sh dz.bzes 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 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 same resa m-/ xcm3rb*yistance. The battery and wires have no resistance. What is the proper ranking of the bulbs’ bry *3mm/ rc-bxaightness?

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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