Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in tv2,anm2rea di,b; h) the electrical circuit sho, re;,mb2v2 dhan)iatwn 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, Li6(ljtb :vso-ov,vx 9, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank t:v-tliv boojs xv 9,(6he 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,p . 0i +qqk:*af6sl:uopfd:zk and N are connected in the electrical c:lp0k:zdfq6 +iokpsfqau : .*ircuit shown in 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 connect+q l jxpy uej,19q-z3ped in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the fol3 q 9e1 j+yx-qlpjpu,zlowing 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 ohmsc :9 4g+f a j05bgizuo.-ye7auflzn :k, are connected in a simple electrical circuit with a switch and a 10 volt b yfuju5 7fza094 i e: gczagoln.-:+kbattery 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 +89ckh zor0 .7okqcdb, with a resistance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagram below. r +0q.cdkkho8 79bocz
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 and four 3z1, qmz1kullsd 0. w+clhh 5kidentical resistance lwszzq mll311,kh0d. lu+h kc5 ight 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 negligible resistaerga;xj(2k1+a f 3c 1lhfxz7xnce is added to the circuit between points A and B. When this short z7fac jx(hkf xe +xlr32a;1g1ing 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 resistance) connec;yw.y3m )rhjfi4 qr( dts the hrr. (f;i4j)qy3wy dm points labeled A and B, which of the 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 lightbulbs are identical. 78b txqhk ml)p3sq8z3u2vk3h When the switch in thesh qh)73vkpbu8 mz3 qtxk l238 circuit 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 identica*:,mpb l oqtx xds4lwtym2fq72mw2 - 3l light bulbs 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 circuit is closed, aside from bulb #5, whi*- ql sobx2,p tmlftqmy: 2xw37 wd42mch 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, th9 mxccy af0kx+-p 4oas)ukpba70g3w )e 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 go out completely when the switch, S, in the circuit is clo y4w9x)a 3pkcu fb gxk)ca-map+0 7so0sed?

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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, ts:jdms;3wen) 5wc-a mhe 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 correc)5c-s ea3ww:js ;dmmntly 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 light bulbs connectedf0s2wuca kf.q9 +xo;z to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb #1 and f;wca q+fu02. 9kzfxos rom 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, w.z-omy /t:*vmj okb *ka+ya py5p*t t2hich one of the bulbs will not light? y*o kyp-/oamt+ t * 5kj az2*b.ypmt:v

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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:t5c: enjoom/ tmy i(kd 4p:5h is initially I. The switch in the c5:me:5o p:cht(4o/ imdjknytircuit 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 have identi 6k)qxfazx:7jce9ch- zk 1o 2qcal resistance, all wires have zero resistance, and the battery is assumed to be ideal with emf ξqa k9 o1q-x67zfcjxc h:2kz) e . 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 sh9w1ch(w aypp:own, all three lightbulbs have the same resistance. The battery and wires have no resistance. What is the proper ranking of the bulbs’ brightnech9 1py:a pww(ss?

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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