Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lighm p-eym6 4ob+ptbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), thp6b4pem moy- +e 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, atu6a hd3bad;t6)m 0;s ei -yrf99wz :yyqy zo/nd N are connected in the electrical circuit shown in the accompanying diagram. Rank the current thd9f ri;;you9a:z zq0ys6d3 wa/eb)h- ty m6t yrough 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 tz0nhy 40e 7jdx+8qn jkhe electrical circuit shown in the accompanying figure. Bulb M burn4zxd +ny 0n8qh7j 0jkes 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, and N are connect ibziwuw)a.0.jnf) a3ed in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the nw )).0w3f.izjuabi afollowing 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, wi 9d)(xakmz* f*4n tttkth a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 voa *k4ttmz()9f txnk*dlt 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 eap 0d8 jbbbrp24cjypu9ek 7 5pm5oj6:wch, with a resistance of 10 ohms, are connected in a simple electrical cip0wj9rp 5yj8b5u bj:m27o4pep6k bcdrcuit 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 h c/7u4ws7adbf as 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 therbw/74scu fa d7eby 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 n7 2l7xmw t1gzkegligible resistance is added to the circuit between points A and B. When this shorting wmtk71 7zwx 2lgire 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 resim)4f8t .g+j +dcc jmibm f19 sk qjbk1k-u7m*tstance) connects the points labeled A and B-1* fui b97 dqs4j)kmjjgb.kcmf tk+ tcm+ m18, which of the 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 connected as shown. All lightbulbs are identical. Wh(g-jr uk05om63 2jx8aepj3hn rjitt ;en the switch in the circuit is closed illuminato-gn 0rx 3j2u 3j j8r5(jki;ha6pettm ing 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 ltol-jbxie be0)e6 ;56u+h yzmy cc1. are connected into a circuit as shown. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the swit5+u-yeot1;ej)6celi mbyxl 06 b zc.hch 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 threed4 7a8vl 7ol lpxaecmi3) *sj( light bulbs have identical resistance, the battery 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, i(v 7jao*pi4llc8 ad)e s73lxmn 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 showny 3e 4grxxg60aqk lh(6)re)iuwo ja.(, the four lightbulbs have identical resistance,the battery is ideal and all wires have no resistance. After the switch, S, in the circuit is closed)r(lg3w(ija)a6gxo.uk q6 yxe4 0her, 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 connecbwe+e +lfzd; cy3.bz zwdl00hv6,7 isted to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both zz6, 0d wl bis+yf7c0bdv+e;3lhzw.ebulb #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 win2-;gj rurdgzw b/it9zz aowa4 2)g. 4ll not light? urtw2 4 za-.dg riw nggab9/;)4ojz2z

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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 reaepjv6m8yd3 s+ ding is initially I. The switch in the circuit then is closed. Conseque+d6 v38 smjpyently:

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 identica tyc4xn (vv)k:l 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 c)cvkn:yv (x4t losed, 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 resistance..zs1c*u 9ds4k:r q mgo The battery and w.z *rosq41 g9dksu m:cires 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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