Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical ld// im0mm+agoightbulbs K, L, M, and N are connected in the electrical circuit shown in the accompanying fi/m +gdi0amm/ogure. 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, p3m+b +dj 0,ckewna, rL, M, and N are connected in the electrical circuit shown in the accompanying diagram. Rank the current through the bulk ,d,+bcrn mwe 0j+a3pbs.

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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, 3/scn m3u2r iuand N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of the fol3u32nru si mc/lowing 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 ardp,m 6ht-.ys zkbyp;.e connected in the electrical circuit shown in the accompanying figurb;h pptkyd, m..- yz6se. 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 resistance of 10 ohms, are conlurs5v91 6idf g 6v;gx)*vtyv nected in a simple electrical circuit with a switch and a 10 volt battery as shown in the 9vfg 6 gtys dl)v1*v5;rviu6x 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 lighdc4vh7 -wh* ewr/sn6bt bulbs each, with a resistance of 10 ohms, are connected in a simple electrical circuit wwhnsde46* crv7 /b-hwith 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 hasll: +hx) qjt-r an ideal ammeter with zero resistance and four identical 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 bljx-h+l r:q t)ulb?

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 short8/ dyoaur0ia .ing wire of negligible resistance is added to the circuit between points A anu/.a8rao i0y dd B. When this shorting 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 co.b0. 07evr md ug5tt5niap,(no resistance) connects the points labeled A and B, which of the numbered lightbulbs become brighter? Assume that all four bulbs are identical and have resistarn,ue5oamb.d70 5ptt c0vi g. nce 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. When the /z9 )/zx:ly pc powht.- lvwj2switch in the circuit is closed illuminating bulb #4, which h)zzlpw.-9wlx:/ jv2 c /otypother 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 71 suzt spuoh; :w3j8bi*v,jy a circuit as shown. All wires are ideal with no resistance, and the ideal battery has emf ξ . When the switch S iy8 * zub3hupjt;svw1:,s 7oj 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, tvr. yxm,ui7z3 1ev u.whe three light bulbs have identical resistance, the battery is ideal, and all wires have no resistance. Which one of the following choices correctly idenz 3e,1mvvu x.i.7ruw ytifies the light bulbs that 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 sho7;e-kdjgeoa 0 i(xsj 6wn, the four lightbulbs have identical resistance,the battery is ideal and all wires have no resiste0xj js okgd-(i6ae;7 ance. 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 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 id hftau(-6bfmj 3 6b;zpentical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open c-fh(zu ;bt6pm63 fajbircuit 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 follow , o:bg)59ih dx+ k4pzidhbpr*ing circuit diagram, which one of the bulbs will not light? 9po bg) d,pb+kr5hxihdz* i: 4

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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 readn;1its n*wtui/* jx;i)h bf8 hing is initially I. The switch in the circuit then isfu1w*i jst; ni/b*itn8 ;h)xh 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 fiw1s+mtu ,txwn;5v7m5 q;lo identical resistance, all wires have zero resistance, and the battery is assuw;tvwi o tuxl;,fmsqmn5 51+7med 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 same resisq:qpkl9)nj4 be;s p: pcs 9bz+tance. The battery and wires have no resistance. What is the proper ranking of the bulbs’ brightnbn;kp )4 s:zpcs p9el:qj b+q9ess?

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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