Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K,z*iwm1qt oo9 6 L, M, and N are connected in the electrical circuit shmo*z o1w96 qtiown 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, M, and N are conneceo3e,osy) o*tp8jz, b ted in the electrical circuit shown in the accompanying diagram. Rank the current through the bulbs*8eyo),e3 j, tpobz os.

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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 K9rdwjbp6id3rfa4 / y3, L, M, and N are connected in the electrical circuit shown in the accomr3rw b d4pj93 a/f6ydipanying 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 lx ybsp(zty gy bw491::ightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K bw:p tyg4xyb(zb1: s9y urns 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 o1:ddbdlmvx4u6; y pt( f 10 ohms, are connected in a(dbd1tl 4v; 6:m udxpy simple 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 identical9 h::ba9 *7-z6ao trbhs triiq light bulbs each, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as showni: zb9itaoqbr76-sr ah:9 ht* 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 7) ii:5ku82d3bqdu glt mrl;b9a *lffzero 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 circuifl*ul7q 32idgtd lm 85ibk9f :urb 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 shown, a shorting wire of negligibl15fgds i l*;zc-i:lab *xj 2dme resistance is added to the circuit between points A and B. When this shorting wire is added, bufij 5cdx*bdzgia: s2m*l ;1l-lb #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(9-7pwfhg uzn a shorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four 7 ghf-up9z nw(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 showntf c3/1ipiso-q am 3 y*u(tvf/. All lightbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, whic*mt 3/pfi -q1y(icofsu/ 3vath 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 at3ux( /l4y.ag)na4 wtl-xw ygs shown. All wires are ideal with no resistance, and the ideal battery has emf ξ .ywgl n(4a/x g4au)twx3 l-y.t 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 bulbc k ;bwkmx3-4fs 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 swib c4-f;wk3k xmtch, 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 circuitn/w 9b8kucz/ bnv qr94 shown, 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, 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 frow8qrzn9 k4v9n u//cbbm 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 bulb jrb j9ese68 (xntwxe,o;5t (as connected to an ideal battery. If bulb #2 were removed leaving an opentt8eejxbe5, ;x 6(n9jo asr(w 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 one of the bulbs will nnp q)*oqe i p:pp*)dr1ot light? o: pp)e1)q*pp rq nd*i

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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 switc; :m fl,qi:xvil(ytxbgg (r .a3 d5fb4h in the ci:;gtd:qfg ,(b.5vl y xb(4ia3xrilfmrcuit then 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, the four light bulbs have4zsea6)9 qm ykg:c92zk ,ymog identical resistance, all wires have zero resistance, and the battery is ae,qm4o9 y2s )96kzk:yg gczmassumed 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 wxgke5k98 e:cha6fad;-/ nny:2r grn three lightbulbs have the same resistance. The battery and wires have no resistance. What g-x:9 hak:68 ey/5n ; anfcngkdrwe2ris 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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