Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the e+(u(a uoib*w3qa h-y6vq2 dst lectrical circuit shown in the accompanying figure. In order of decreasing brightness (starting hq(da 3w2+(toub *auv6i-s qywith 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 connected in the electrical p 1wp 1a9s3emihgnq82circuit shown in the accompanying diagi1 9wh mgq3n12pp8sea ram. 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 are connectedkxwe*( . 3yrd2ey-dxo in the electrical circuit shown in the acdwr3e 2ykyd-(*x x.oe companying 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+jv , 2)y,mgk;vlpxxh N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following ;x)xh,l+v2 vm,g kpy jstatements 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 of 10 ohms, are connecmr;s b,wimbs3 *q20emted in a sb w 3ies,b2mmqm0s;*r imple 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 identical light bulbs each, with a resistance of 10 ohms, rn i5gkck(m63c *f 3baare connected in a simple e3ba5 i6f n*kc c3(mrkglectrical 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 ammel3abwcxn6nf-6,hb . tter with zero resistance and four identical ab lwt x,n63.hbf c6n-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?

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 ne3u5 v9rolr.jrk 5p 7kew)y:wbgligible resistance is added to the circuit between points A and B. When this shorting wire is added, burebr3r uo).wvy 7pj:59l kk w5lb #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 short ;r:-ph .wxxdb7 1jdr1 zo7qmf//xpiking wire (no resistance) connects the points labeled A and B, which of thed-h/ir jqxo d;zxm1fk / .7x :pr1p7wb numbered lightbulbs become 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 lights lqpys9q *9og0s :g+xbulbs are identical. When the switch in the circ*:sqx sgspoqy9g 9+0luit 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 bulgd)w 4sa:ffkyj( 5sl2du v3.zbs are connected 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 circuid(jlwz2a4v y: .dgs k5f )us3ft 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 re/pn3fs g. rcq7sistance, 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 complete.p ns3 /7cgqrfly 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 resisos70q;z4 ukuttance,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 potekus4to0 7; uqzntial 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 idbq ,4iw.xjo0nentical light bulbs connected to an ideal battery. If bulb # i4oj0qwnxb.,2 were removed leaving 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 one of the bulbs will not liom fz9m6(qx5.i:* hb:rizp8dy :b vsight? z( i f.irh8xdymz:pv m6::sboq5b* 9 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,9xmx ph9z6ae1 the ammeter reading is initially I. The switch in the circuit the hp1aem9xzx69 n 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 bywu j92ffm /8julbs have identical 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, af 9/wjjf2u8 ym 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, alhis)-m*i4 wy;elxhay;- 2dt 8c(pnmxl three lightbulbs have the same resistance. The battery and wires hxnmchlh;); -emyis8(* yxd- 42wi atpave 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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