Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N arek6m om+ ka(v6f connected in the electrical circuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest)kk6m+mf (6aov, 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 con.(7y9 fitz;dt k b5akh/gf4ho nected in the electrical circuit skbhiy 9tf.7ktah5g d z/;f4(ohown in the accompanying 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 are connected in the electr4oy-i fy/kfxe-ov,3a bi4e+gx wl0f6 ical circuit shown in the accompanyingxf/-3e y4i+fx ,a06-e vlwfy kb4i oog 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 elecdhqhrow9,/ an99cdj * j- fc.,skzp8ntrical circuit shown in the accompanying figure. Bulb K burns out. Which of the fozpj,d *.d,/af9ch 8 qs9 o9wn k-jchrnllowing 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 of 10 o5/-xzt 0an blnp4n9e t;.iyj jhms, are connected in a simple electric ixj.etyjz;5lt49b / pn-0nan al 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 b gh o+mj:) ottx)i.ej(ulbs each, with a resistance of 10 ohms, are connected in a simple eletio .)jeto+j :h( m)gxctrical 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 idea d 4 nblz0cl- .qpi;310yqy 6qkz7bzfbl ammeter with zero resistance and four identical resistance light bulbs which are inbb1 y0lc q0fbi3qzzlz .6kpn7; 4d q-yitially 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 shl01ss (gmb0 koown, a shorting wire of negligible resistance is added to the circuit between points A and B. When this sh01 0sb g(ksolmorting wire is added, 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 shorting wire (no resistan t d0wthq371*c(viejk- gvhu(ce) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identical and have resistanct1jkdiv h (h(c7*uq30wgt v -ee 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 light hq u)k7m n2-l 5ye1mr3yfqrx.bulbs are identical. When the switch in the circuit -l7ymq.5k2f3xhrn er1yuqm )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 connected into fgwcry/; aif: ):;heujqbe /6a circuit as shown. All wires are ideal with no resistance, and the ideal battery has efa wrq::ebcgh/e6 iy u/jf);; mf 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 st yjpy4u+ t2ejgz(5e8r7pd *y hown, the three light 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 gj2e* 7u+(de z4ttp 5yy pjyrg8o 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 identir+ b4sz) xg8oxcal 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 a4xos bgr+8x)znd 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 lio6doxr l)e :;fght bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuielfox r :6;od)t 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 circui15el.ud: upy5rq0 imut diagram, which one of the bulbs will not light? qr.y0i: ud1puul me55

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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 showhbei*t,v ech0 w)r0n*d,nv.sn, the ammeter reading is initially I. The switch in the circuit then is closedivcenw,0sb h v) h*rde t*n0.,. 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 lig fv5wo:ge.iv 1ht bulbs 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 vgfe51 o iw.:vis 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 havets .9i* kl:crq the same resistance. The battery and wires have no resistancqksi *l.9rt:ce. 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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