Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in j nrx :4+cq(zwthe electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), the bulbs ax:r (+nw czqj4re:

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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, and N are connected in the electrk 411 *b/ mk1* um)du/36cwjdc4mxinvgqmomgical circuit shown in the accompanying diagram. Rank the current thrmgu 1m/ w31im4uknbm 4 dcgko*)dm1j /cq*v 6xough 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, an/hmklel ,sd / erw64+ba 0bp;fd N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns obmlbde//e,+460 k ;pswh lfarut. 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, 9 tqfr0wuz8qg7 o31jp L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following statements is truer13pwu7o0jztq q fg8 9?

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 of7q, vd02oaane 10 ohms, are connected in a simple electrical circui72aedqo 0 nva,t 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, are conn(sd 2v,omj2o fected in a simple electrical circuit with a switch an(vf,jod2m2o sd 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 idla h 8o 3yl erz+2fx;)nq-vy9deal ammeter with 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 electrical circui)yx-lh3f qy92don8 r ve zl+a;t 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 sho17wm*v plv9otwn, a shorting wire of negligible resistance is added to the circuit between points A and B. When this shorting wire is added, bulbopv7 *mtwv1 9l #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) connects theh1 r *hb;irlx.; ;sfru points labeledb;u1 h l;rrrhx. *;ifs A and B, 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 l r4tz;ut**7qqq9 o y+,uwcytkightbulbs are identical. When the switch inyq tuko,t qty ;4u*rcw 9q*z7+ the circuit is closed illuminating 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 connected into a circuit as showh-k+ qca.eu( bn. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the sq+kc . -ea(hbuwitch 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 idenms 998ns hdhxzjfk :-1tical resistance, the battery is ideal, and all wires have -j1nmhzxs :989fh sd kno 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 i 5xp,bcys5/vn 8 gc;oidentical resistance,the battery is ideal and all wiresx ,vn 8yb5 s/g;5oiccp 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?

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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 an ideal bac q(c; dam8r ;e0vj c2cgxt1.jttery. If bulb #2 wt.c m0xvjaje cdc 82;q cg(;1rere removed 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 onexqkarn 2a7 9xk**kez 8 of the bulbs will not light? *k8 kqxn2e*a7k9x rza

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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 ammete-pd ;ipog1tsw5dclgw 3 3/r+jr reading is initially I. The switch in the circuit then is closed. Coni5 3gw w31; pojs/+gt-cplrddsequently:

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 resistandjp;8p,oks shs/kx vz) l;+f2ce, all wires have zero resistance, and the bav2+;ofh/ ljs kk;d8pxszp ,)s 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 three lightbulbs have the same resistance. 3))dlb cuyuza1n)+s f.2g)9u ike6whv cpmy 7The battery and wires have no resistance. What is b)w)amk7+ )hy1 )6eu iy 9culc3.sz2vdfn pg uthe 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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