Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, Mw wrni,/: pwvfs3w, 1 w(w5cyr, and N are connected in the electrical fww5 w/1w,pw3vw,rs r i( ync:circuit shown in the accompanying figure. In order of decreasing brightness (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 lightbulbs K, L, Me7 6s jg*jf*im bb:7*9 ia/alux)ovd:w:vdp d, and N are connected in the electrical circuit shown in the accompany:*76fd97 bu j)i*pavdlimve x:a*w :dj/so bging 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 areiiy vvwx)*a*8gvb, 9j))rdfp connected in the electrical circuit shown in the if9)* y 8ja dw b,ixrpgv)v*)vaccompanying 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, and N are connecq ,9c (vl6wqekkzo+h 9ted in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the w(kc,hqk+ v96qz9l oefollowing 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 resistu e/ijw son6/1yrq7mdg 7pgrf +) rd/0ance of 10 ohms, are connected in a simple electrical ci udi 7rq/repsywn/61fg dg7om+jr0 )/rcuit 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 cou:; nu,s imsagpa;tmqh1v//:r i5k:o-(hugv nnected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagram bs kha :gha/r :ntu u1 g;i;i(:5 q,v-vspm/omuelow.
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 oiv/gvcd54/:d()psk 1- xq lb4e jtwpideal 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 circuit at that point. Which statement is true of the circuit after removing the bulb? 5 vp4-x/ p t v/cwe dj41:ob()dlqiskg

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 is adfwedl9q/) e/bded to the circuit between points A and B. When this shorting wire is added, bulb #3 goes out. Which bulb/d9f)qlbew / es (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) c)r; xj..3g1 vw7fxf:onax o8y(abwstonnects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs ars8nabo: wvf.( 1xjagxr;o wx f3y)t .7e 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 idl1 b:allbjz: :entical. When the switch in tlaj1:bl: zb l:he 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 connky*(;srdr *a vj88l:32hos7j cvdalyected into a circuit as shown. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the switch S in the (ry*dv*ss288 la7dvh ;3joy:alr cjkcircuit 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 resi1c,t(1i a7mzlmli h -tstance, the battery is ideal, and all wires have no resii-lmt1 1,(i7z hlmcatstance. 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 identical resistapaox bpj;1uj8l( ez.:nce,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 t; j .ep:zb laj(u8xop1he 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 l*td * iqofz7y4y 0bf s:go+*)nby h37ys hkz-connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulfl3 ybzq*bs) f:- 0z4g*odt i yy*7hkoy s7n+hb #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 circuipc01eny wja4.t diagram, which one of the bulbs will not light? e01wajp 4n cy.

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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 reading is initially I. The swhen z3 6w ama,i9f/c5witch in the circuit then is closed. C5n/f3ac zemaw 9,h6 wionsequently:

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 resistance,h-k /r+-eikq kpjw- i: 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 the switc kp-kek-i-+hiq :rwj/ h 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 r q-x2,:tzdnjyzdiq95t m uec 3jv:p)6 esistance. The battery and wir9tz) -5:3d,j 2 m yunxtpeqdczj:qi6 ves 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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