Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected i4)ujwce8autz1.6n n vn the electrical circuit shown in the accompanying figure. In orte81 jvnzc.u 4nu)6awder 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, mye)n-mxya c czn i0f0b8 )u)/L, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank th)e)za080u-m)b ymnc/f xcin ye 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, an 3:0:oy0m cnlavi+cnmq 08ydh d N are connected in the electrical circuit shown in nhm0yc 0v:8qm +0lyc3an: dio the accompanying 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 connected in the electrical wfqb hu di8 1 c-2.zhp;,dohv49xv kz5circuitp; 94k5x2v whhvdf1uhqzd,i zb8c.-o shown in the accompanying figure. Bulb K burns 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 resista3:mfhcns rhv5 i3i6)i ua a-nry)e30ance of 10 ohms, are connected in a simple electrical circuit with a switch an)v-a3syui3am rhna:n r)i0cf h3i 5e6d 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, z2p(w 5u :ln6pyr 9mr6dev8 cf pa6x9jare connected in a simple electrical circuit with a switch and a 10 volty68 5p :e6ra2lpv xjuc z9 d9rwmfnp6( 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 amm21o4 eg6uyxa eeter with zero resistance and four identical resistance light bulbs which are initially illuminated.ue2yago14x 6e 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?

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 p/pg7-cg q1garv9rv2uw eokq415 b7kshorting wire of negligible resistance is added to the circuit between points A and B. When this shorting wire is added,p rcw5 ga2vgrv1ub-e9opq/g7kk q174 bulb #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 yzkrn0r+.kx1( ,a igqshorting wire (no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identical an(rk,xk z+a0yq ingr1.d 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 asrr; da,.u/mj x8co ya48o9t7w cjogx6o,lgn 3 shown. All lightbulbs are identical. When the switch in the circuit is closed illuminatingg,om7,jro 4y8t;.nx/war c g 6 3ooa djxc8ul9 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 showj.,gss-xkfi35egf)zz*dei* 3e g x(mn. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the switch S in the circuit is closed, asi(.j-*e,gek3szs3*5d fxim ie) xzgfg de 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 l:hhab*jc+n66y jek b 4ight 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 chbhe 6 :jj aybc*4k6n+ircuit 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 shhn ;a6fj0 la+rown, 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 th 0lr +ja6;nfao 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 ida7 mrjau77mgi(0oc*yentical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open a mg7 70i(a*m7uo yrjccircuit 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 ta 8 q4 m52 bc-tepv+nljjoh9*she bulbs will not light? lj2 *hm 4evn5j-cq9p b+s to8a

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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. T: sx0rkj :e p;egip7*hhe switch in the circuit th7: hkge psxi*:0r;ep jen 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 .ps1y2 6h ctvaresistance, all wires have zero resistance,21ycvaths6 p. 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 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 sd1 codc2d t.)bame resistance. The battery and wires have no resistance. What is the propero2).bddc1t cd 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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