Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbuld .2raz3* n*dm cmyl6wbs K, L, M, and N are connected in the electrical circuit shown in the accompanying fiyn* wd2zm*.craml6 3dgure. 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, L, M, and N are connected in t ayvoh5. s)fzn-h7z-7( spf3aunlrr* he electrical circuit shown in the accompanying diagram. Rank the current thup o a) y.vfashrrnhf-zs n-5l37z7* (rough 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 cbgl gvw r)4- bf hx..2rco92jponnected in the electrical circuit shown in the accompanying figure. Bulb M burns out. Which of the following statements is t l 9hb)xj2- 4. gfcgpvwr.rbo2rue?

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 g*t9ks :)u xu 1nus6yl,,gul cK, L, M, and N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of thlx s, l:g,uc1t)ksuy 9u6n*gue 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 ck7g+6kjkaa29 c k*j zhonnected in a simple electrical circuit with a switchj6hkz gja 27 ckkk*9+a 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 resis+wiw9l* j3q tztance of 10 ohms, are connected in a simple electrical circuit with a switch and a 10 volt battery as shown in the diagram below. *ww3ji ztq 9l+
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 fq pw6t3enyv0: 9 jq w.k+7omncour identical resistance light bulbs which are initially illuminated. A person removes the bulb R4 from its socket pj+ymn: knw7o vqc6we 03.q9t 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 resistance is addedfdk t34qed4b06j ) o*heeg(h-5uux uo to the circuit between points A and B. When this shorting wire 4 ue ofx5g*jdd kue u34h-6)th0 (qobeis 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 resi6 thr9bj0wa a6stance) connects the points l 9aw6th6a0b jrabeled 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 lig hhyqhro( zu*5 au1ty)4ryb)5 htbulbs are identical. When the switch in the circuit is closed illuminating bulb #4, which other bulb(s) alq)*t yh)zar(1bouy h4u rh 5y5so 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 conne u avf0v1gcl:3cted into a circuit as shown. All wires are ideal with no resistance,1ga : vfc3ul0v and the ideal battery has emf 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 shown, the three light bulbs have identici9l y-pulgpwc3g r6s;3 nom.:al resistance, the battery is ideal, and all wires have no resistance. Which one of the following 3r;pgpi.9lu mclo:gw6ns3y- choices correctly identifies 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 shown, the four lightbulbs have idendny*vy rz0js+: g1o w9tical 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 and9dy jz+:y rw1 n0svg*o 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 shownj, dehd;b1p 6,xmn*fn has 4 identical light bulbs connected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage j p6,,f*en1bd ;dhmnxacross 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 eo gmg.d7 88hswill not light? geo88 7sdg. hm

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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 initil32nxz* qwf 7zally I. The switch in the circuit then is closed. Consequent3zznwf2 x7q* lly:

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 resistance, ac8oa:s):r0dz u c+sahll wires have zero resistance, and theo+hr cs80zsaad c::)u 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 lightbulbmj(cg2pks 6: qs have the same resistance. The bap6q:c(gkms j2ttery and wires have 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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