Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbsz y;w7xvqonq9- i93 zs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (startin n vq;-3979osw iyqzxzg 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 lightbulbs K, L, M, and N are conn fx +svq x-k:3e ai)g(adqk*f+ected in the electrical circuit shown in the accompanying diagram. Rank the current through qs-f avxf)ek:d k*3a i+(gq+xthe 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 th l), djn6ps:ehe electrical circuit shown in the accompanying figure. Bulb M burns out. Which of 6,e)h jdsl pn: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 ligh/ei )vrs1p *ol9p1v j9plqmz -tbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K e v iqlm*9l)p-zppor 1 19/sjvburns 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 resistance6t)5,njl-.y f5n8r .wnjslmajxk(q) hfp1uw of 10 ohms, are connected in a simple electrical circui yu8,) n-h(5 mnajw6xs5 f)jnf t ql1jwklp..rt 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 d8,1zmoxz4gj1gj mk-resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown -8omdk mgzjg1j z1,4x 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 fourwwv l1 x)/aw:uwmn(. k identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket thereby permanently breaking the electrical circuit at that point. Which statement(.kww)auw v l:1x/wmn 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 of7 k -y9xm baclwav5nx1 8u)6:bvp(ivk negligible resistance is added to the circuit between points A and B. When this shorting wire is added, bulb #3 goesc9wau- )(mbixykln v1vv7:6p axk8 b5 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, whenlgnwwg /wm 8olr9* 44l a shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs bec48gw9llw* 4mn o /gwrlome 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 ligsnc i .vp6z e(o0lnnpzc,;q59htbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, which other bulb(s) also be;cp.e( qs0nn 5n zov,z6l9pi ccome 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 e +bnsgx+i,- mlq- e9pu;l bh3shown. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the switch S in the cir -,bmplex+-gus; h+qnlb3ie9cuit 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 threon3p36 zrd6 yotb d1)ee 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, in the circuit is clory b3o)166n zodt3ed psed?

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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, te(1 ne57w d3o56ysq:a ek dkoahe four lightbulbs have identical 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 whatn 7 sd:y ew1e5qak3ka6do(5oe 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 ba0esu5wna h9.badm9 c1 ttery. If bulb #2 were removed leaving an open circuit there, what happens to the voltageub9aench1 a d 0m5w9.s 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 b5+joy7rlm+ p h 9v 09zweqqr2jk3hz +wulbs will not light? +qzrv9+hw rhkl7 w2o05ym qze 3j9j+p

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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 circu9 r7jou1k7s,e pgt.pp0 ze/ juit shown, the ammeter reading is initially I. The switch in the circuit then is clo/j9rk1 sz,pguu.7pjo7ete 0psed. 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, the four light bulbs have id9liev cpo/)p;entical 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 c )oe;ipp9 lv/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 t+r 9-w7wyaginhe same resistance. The battery and wires have no resistance. What is tay 9r 7-+wigwnhe 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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