Combine Problems - 题库网 (tiku.one)

1#

94.28: Four identical lightbulbs K, L, M, and N are connected in the electrical 0 gupch) y43xq5. fpqck-, ss0l my(ascircuit shown in the accompanying figure. In order of decreasing brightness (starting with the brightest), yp0-5,s) 3qc4fclgqa (upshxk 0y.s mthe 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 qqti+z5 4,vjs o0*bli tb ,d.im+ j2moin the electrical circuit shown in the accompanying diagram. Rank the current through the bulbs. iomo j2 ,djtq bqlv +5is*mt.zb0,4 +i

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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,7exm0v r z1mrc e52hz- and N are connected in the electrical circuit shown in the accompanying figure. Bulb M burns out.x- re mmze70vrz5ch 21 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, a2ie/fb t:7w2r a.a ips)e/kprnd N are connected in the electrical circuit shown in the accompanying figure. Bulb K burns out. Which of the following statementstiw)r /ipp/7a f22kbs a:er .e 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 buzf 0q2*t- 4e- rspzci/,y)h tykkeak.42bd mx lbs each, with a resistance of 10 ohms, are connected in a simple electricaldmt/-ct k,z4yeb )er 0a 2zpk2-qy xk4.if*sh 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, are confv1dc,7bb6*co7w2 b;xxhxt h nected in a simple electrical circuit with16vbbd *, o7hw f2b;xx7cxhct 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 a 0;i dovdj1 o:(ok-l/b7suncp n ideal ammeter with zero resistance and four identical resistance light bulbs which are initially illuminp7-ljvosu i/;k(1:o0obd cdnated. 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 neglig); lvq9cb;rmy4 uui-8vn p5c gible resistance is added to the circuit between points A and B. When this shorting wire is added, bulb #py;gv i8l5nq - r)v ;ucm9bc4u3 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 shov( i eq(- 3u+d-6;oyh4szacvx/dk lfprting wire (no resistance) connects the pointe4vo3xf-(s- d6zp ki l(+;au yqh/vdcs 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 connec,na(z5/,ms spnk u-0i 7tgmvv ted as shown. All lightbulbs are identical. When the switch in the0 , ts ai/pv5-n7vumgnsz, mk( 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 identical light bulbs are connected into a circuitn;yp4p rl35 epg/h 7dg 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, nh/ pgypp g57 dr3el4;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, 3 4f7mlcx8z ctthe 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 lighf7c x8t lz3m4ct 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 t2vx*rrc*kdga) 6g+8u* d pvc 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 correctly describes what happens to the magnitude of the current at the point labeled P and to the magnitude of the potentk dg vx*gv6 p2rtcda*)*c u+r8ial 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 co9425se qzd6tf o7 lqlvnnected to an ideal battery. If bulb #2 were removed leaving an open circuit there, what happens to the voltage across both bulb #17qlt94 2evf6l q 5zdos 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 bjq 5d1s)e zs mk8.v/rnz /ih2pulbs will not light? 5vskz pq/hn e2d.8 )jm/rs1zi

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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 ammet z-;;. y.wvwywckf3s rer reading is initially I. The switch in the circuit twz;vy3wfcs-. . ;y krwhen 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 identsy+ uka.3or4fk;s(a*ys 5wu pk2c/ hgical resistance, all wires have zero resistance, and 2 kkrs4.yf ykap /a*u 5uo+wc3hss;g(the 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 l9 *fz.fas6ji bddf1dl p;36 prightbulbs have the same resistance. The battery and wire1.d* di 9bs 3lzffpr6jd a6f;ps 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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