Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the k,:qmswf:3,aslx q,celectrical circuit shown in the accom:s,q,q:x mw3falsc, kpanying 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 8j/8 zqrjxbz2lightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank the current throuz 2jz88j rb/xqgh 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 lightml+1p p(aa u2 vazvu: d1lt:niz0:w 2ebulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Whiapvimu lze:dvt:121l2n +a ap(z 0wu: ch 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, edn+,4b+iezdhu,8 nw 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 true?e , hu++web8nidd,zn4

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 of 10 ohms, as*w6qtet)1 (d82 hetq9mawp ere connected in a simple electrical circuit with a switch and a 10 volt tweadets 8 *1e ()qtpqw96 2mhbattery 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 6l o+bb,x-f4)4x 7im*jnzdn2 bxbpiy a resistance of 10 ohms, are connected in a simple elecj x i +dy,)*iz2-lo 4bbfb74 6pbnnmxxtrical circuit 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 has an ideal ammeter with zero resistance ej6: v ssq;k8))t-h pm,s vqzwxd(i* yand four identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket thereby permanently breaking the x smvijw ; ,6zh*q)y pdsske8)v( :tq-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 negligible resistance is added9hu g2kx 2r;bkzh:m +k to the circuit between points A and B. When this shorting wire is added, bulb #3 goes out. Which bulbs (all identical) in the circuit 9;ukb22z:mkrkhh+ g xbrighten?

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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 resisj64bo3i2nw06n xkg 4vnht:kf d/fc 6mtance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that aln: 0j2ko6wn/m6vi 4c36b4k ffndx hgtl 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 conui 2 o2uq/k(gme-b, wjnected as shown. All lightbulbs are identical. When the switch in the circuit is closed illumiige(2u2,/-qbum wo j knating 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 lia,x.w ho44(sf.ybwcp ght bulbs are connected into a circuit as shown. A,p bahfyw xc (4.4sow.ll wires are ideal with no resistance, and the ideal battery has emf ξ . 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 li3hs 6m*lcs;zi(f+ suxght 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 tha; f *mh+zlixssu36s (ct 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 : h(govs (0vd3vr9azo 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 followi osv((o: h0v3z9vdragng 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 li,*i(5wv -sfg y 1etdcnght bulbs connected to an ideal battery. If bulb #2 were removed l e*ncvg5y(td 1i-sfw,eaving 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 oneq z dkw;2ou:s+ of the bulbs will not light? :;odqsu wzk+2

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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 showgip8 m.x),ul84o vpha:w go 9sn;-dhjn, the ammeter reading is initially I. The switch in the circuit th; )p wu l ,go 9hxps-.adn:ovjhg8mi48en 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 have identical resistancgft dvp(e8: b*e, all wires have zero resistance, and the battery is assumed to be ideal with emf ξ . When the switch:pebg f8v d*(t, 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 thedy3mj 25t23bdw ln:kb same resistance. The battery and wires have no resisj2k t dbm3w2ybl35d n:tance. 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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