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习题练习：.Resistor.
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 作者: admin  发布日期: 2024-08-22 15:34    总分: 50分  得分: _____________

答题人: 游客未登录  开始时间: 24年08月22日 11:12  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.09: In the circuit s9gn.g/o a 9b-jfo w80kbxgw2qsmj8c4 hown, an electric current exists in the metal resistor connected to the battery. 9/ 4.g o98jxwf -c8goa0bqsg2jwbk mnWhich one of the following choices best describes the direction of electron flow through the resistor and the direction of the electric field through the interior of the resistor?


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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.06: When any four resistors are connectaqa4+, bhm:itjrf zop k3q(u,- /7 emled in parallel, the_________each resistor is th7it,o/qk jb+3erhu4( l fazapm,-qm:e same.

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.33: A current through u;tkmm s 97 a5pl0n*abthe thin filament wire of a lightbulb causes the filament to become white hot, whilema9*;5 bmas7u0n t kpl the larger wires connected to the lightbulb remain much cooler. This happens because

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.08: Some standard household lights are being replacezxtk +lv qp:8i7 fo/: mg nir07hkxu0:d with LEDs. LED is the acronym for which one huxipq:mf0+rvi :z8k tx7l gk0n o/7:of the following choices?

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5#
 
多选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.16: A cylindrical graphite resisto+: cqd0kws+zxxwh-( b r has length L and cross-sectional area A. It is to be placed into a circuit, but it first must be cut in half so that the new length is 1/2 L. What is the ratio of the qhk wz xxdw++:bc0( s-new resistivity to the old resistivity of the cylindrical resistor?

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.20: Wire I and wire II are made of the same material. Wire II has twt*s;zk7q ( gx4 ixx0 2mtmpk6nice the diameter and tsxpi2mm*gk nxt 76k x;z04(qtwice the length of I. If I has resistance R, II has resistance

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.31: Wire Y is made of te (l9tdrk7u. qvf 3q+ahe same material but has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y wou.vq3 u9fdl e7tq+a( rkld have a resistance of

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.23: A cylindrical resistor has length L and radius r. This piece of materufz z)5 u)t;fhial is then drawn so t) tfu 5;zhfu)zhat it is a cylinder with new length 2L. What happens to the resistance of this material because of this process?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.27: A junior Thomas Edison wants nh0r/:vkf c)wal yk))to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order)r/)wa v0 nh )kfckly: to make the lightbulb produce more light at a given voltage?


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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.07: Three cylindrical rp pe ia/1 wanr.-rc0n3z4:qbe esistors are made of the same material. The length and radius of each resistor is:ce a p 34:n-qa/z1wrei.rp0nb
Resistor 1: Length L, radius r
Resistor 2: Length L/2,radius r/2
Resistor 3: Length L/4,radius r/2
Which one of the following choices correctly ranks the resistance of these resistors (R1,R2,R3)?

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  13.22: Four resistors, each of resistance R, are connected to a/z q q//zr94;cx nlhby battery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in parallel to axr z/y9 /l/nhqcbq4;z third resistor. This set of three resistors is connected in series to a fourth resistor.” What is the equivalent resistance of this arrangement of four resistors?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.35: The voltmeter in the accompanzrj z 1pik*(q6hr4 t/bx0vdxazb7 0d1ying circuit diagram has internal resistance 10.0 krx0a tdhi(kd b4jz7* z/bz 1x10r6vq pW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter reading is most nearly:


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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.37: Consider the compound circuit shown to the right. The three 3v;e(r w j) oko5e,s:cro uqv6bulbs 1, 2, and 3 - rej w(k3eq c v;e6uor:o5),orsv presented as resistors in the diagram
- are identical. Which of the following statements are true?
I. Bulb 3 is brighter than bulb 1 or 2.
II. Bulb 3 has more current passing through it than bulb 1 or 2.
III. Bulb 3 has a greater voltage drop across it than bulb 1 or 2.


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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.30: Given the simple electrical circuit at the right. If the currentg q8 z -92/wa gmrk b9lp.on*gp5nx+kx in all three resistors is equal, whic wplab g5x-n.gz +nokq28 gpr9kmx/9*h of the following statements must be true?


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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.37: The diagram at right rephrm jc ;f32 lz qv.d,aj fc6-gk9z3iw4resents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bulb (or bulbjgfzw3 ck , 9dmrhjlc4 q6f;v-zai 23.s)
would you expect to be the brightest?


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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.03: Which of the following statements is NOT true concerning the simpkfeyq4;e 4*7 pl1i wukle circuit shown where resistors R1, R2 and R3 areyu ;4qkwfle471ke*ip have equal resistances?


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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.29: Two lightbulbs X andY are connected in series to a battery. Bulb X is b- gdda ua8tu:.righter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connected in parallel with each other to the same battery, which one of theada- 8u:dt.u g following choices best represents what is observed?


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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  06.34: How many coulombs will pass through the identifi u0)(onqdq7hl (qmx(1w ,7,ydkmpd6(pll j yoed resistor in 5 seconds once the circuik,d(qh(y 70oxpqlj7 ,n6wqmu1olm(y) dl(d pt was closed?


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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.23: If all of the resistors in the following 1iy8f1tnc f9qre: t9v simple circuit have the same resistance, which would dissipate the greate98:fe vr ctyt1nf1i9 qst power?


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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.34: In the accompmomp.l-l l,9 canying circuit diagram, the current through the 6.0 Ω resistor is 1.0 l olmm-l.,cp9A. What is the power supply voltage V?


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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.27: Three resistors R1, R2, and R3 are connected in series to a battery. Sup qdz0hyq72tg50qu (dppose R1 carries a current of 2.0 A, R2 has a resisy52qz 70h0q g(tddp qutance of 3.0Ω, and R3 dissipates 6.0 W of power. What is the voltage across R3?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.40: Three different 8zoxpj/) k/wf4 s5 dreoh*1l bnj*n)iresistors R1, R2 andR3 are connected in parallel to a battery. Suppoxlj d/osnk*rnoi8web)fp ) h1 4/5z* jse R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the current in R3?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.13: A heating coil is rated 1200 watts and 120 volts. Ws q8 rrhkss 9n1lsssz*,f(c 82hat is the maximum value of cs l9s nzq(f,h*s8s s2r1 ksr8the current under these conditions?

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.23: What is the resistance of a 60 watt mq): .hxlbsx 7lightbulb designed to operate at 120 :hxl q ).s7bmxvolts?

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.09: How much current flows through a 4 oh34nujk:jlm )pav (nt(3eyaz8 m resistor that is dissipating 36 watts oap k :(zjv8y)u3(tjm4nn3ael f power?

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.21: A household iron used to press clothes is marked "120 volt, 600 wahpvv3u;4b ep,t vtelfa 7.ay .,y79wqtt.” In normal7v tya,7. y9p.pb,ahtv4q 3felvu w;e use, the current in it is

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.05: Which of the following resistances could NOT be produced lwiudx/ng dqe g g lg++b80ru 3ft2+a-t 4(j)gby a circuit containing only three idenrg f-g+g2+(deb43d+g08g aw)j qui/ ltn lxt utical 6Ω resistors?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  94.37: You are given three 1.0 Ω reb*rwsr:hnj gs/04 n))jqod 0psistors. Which of the following equivalent resistances CANNOT be produced us/dsn0):wqonr4r 0g j)s * bjhping all three resistors?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.06: Three resistors of different values can be connected together in differen krc.)zj;gqk;t c.cg;zkkq) r;jonfigurations. If all three resistors are used in a circuit, how many different values of total resistance can be produced?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.35: When a single resnf+a2 q +np)1um4uxp hm, r3luistor is connected to a battery, a total power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identical resistors are connected in sump)xu 3nq+,lpf+a n ru 4h1m2eries using the same battery? Assume the internal resistance of the battery is zero.

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.16: When two resistors, having resistx su,w+:zu ,7xsbssk:e110 adw pa7v lance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Wh10 :k sze+vlww:pss1u, 7u,a bx s7daxich of the following statements about the resistances is correct?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.46: A hotplate is designed such that it has a resistance of 1fe/ / rs.:c9ngcnk15ewp:xuk 2Ω when operating at 120 volts. What is the minimum amount of time that iu ::9gn1sek/ce /wp rnc5f .xkt would take to warm 0.45 kg of water from $15^{\circ}C$ to$85^{\circ}C$?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.09: How much current flows through a 4 ohm resistor that is dissipatgl.t;me ubg2 aooqwst2 / auc)6jo 38mwu, .6hing 36 watts of pooa6 6 agum2.tojg )t owu;/ wl.s28cq3hu,m ebwer?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.24: An electric heater draws 13 amperes of current when coq2 )fw1*o2c jj0 igriaa5/tlonnected to 120 volts. If the pric2rwgt i*1jaqojcoa il/f)502e of electricity is $0.10/kWh, what would be the approximate cost of running the heater for 8 hours?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.05 Approximately how much would it cost to keep a 100Wlm urd*y-v 6rq6o(f9 k lightbulb lit continuously for 1 year atmk6 9f dy6 u(v*qrl-or a rate of $0.10/(kW.hr) ?

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.09: A constant current of 4.00 A through a lightbulb ree z7b8ehh03dd3 p( ncesults in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resistance o3dee ce 0(h83z7hdbpn f the lightbulb?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.10: Each member of a family of six owns a computer rated at 500 watyjco43at dy61ts in a 120 V circuit. If all computers are plugged into a single circuit protected by a 20 ampere fuse, what is the ma1jy d43 t6acoyximum number of the computers can be operating at the sametime?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.16: A 9-volt battery is connected to four resistors to form a simple+eqt.1j bv r5d circuit as sherq+1bj. 5 tdvown to the right.
How would the current through the 2 ohm resistor compare to the current through the 4 ohm resistor?


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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.17: A 9-volt batte1v em.l8vfe v1ry is connected to four resistors to form a simple circuit as shown to thv1elf emv8v1 .e right.
What would be the potential at point B with respect to point C in the above circuit?


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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.21: An ideal battery, an ideal ammeter, a switch and three resistors9b z ji.nj/)3 /0 h/fcvxtcqiy are connected as showcj / i09qchx/jt/bi 3nzy.v)fn. With the switch open as shown in the diagram the ammeter reads 2.0 amperes.
With the switch open, what would be the potential difference across the 15 ohm resistor?


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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal ammeter, a switch and thre93btsa.jpe2i2oq f;k )bo2c 9jd9 ahze resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampere2sfzpah oco2ajdqb)3i ketb;992 j .9s.
With the switch open, what must be the voltage supplied by the battery?


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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, an ideal amd8u q*hz t +ap+gd.1xrmeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagta zd8.+*dqgu+ rxp1h ram the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.14: For the circuit shown t x ieq69*.;ijct aak +dqs4iu*o the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resistanceak q+ qei4aucxit j6;di9 .s** R.


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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.07: The equivalent resistance ,qjc+*6e d apkof the circuit shown to the right with resistae cqk+dja p,6*nces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ and $R_3= 2.00Ω$ is


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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.20: The diagram below shows five identiub 54s .pjxg(sfd i8ewua8*1kcal resistors connected in a combination series and parallel circuit to a voltage souriu(dg5pj*e88 sa f4s.bwu kx1 ce.
Through which resistor(s) would there be the greatest current?


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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.21: The diagram below shows five identical resistors co5 9dvi8f,k habnnected in a combination series and parallel circuit to a voltagfh k a,5vbid89e source.
Which resistor(s) have the greatest rate of energy dissipation?


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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.29: In the circuit dlf6g3lu;yax3 (h9pa xiagram, all of the bulbs are identical. Which bulb will be the brightesyl 3uxp 9fl;3x(6ahga t?


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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.21: An ideal battery, an iute1bsc.w/y;a5o:b ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 a /bto1b.ea5 u;wi:sy cmperes.
With the switch open, what would be the potential difference across the 15 ohm resistor?


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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal am,ojr 1 j4kfbrr2 lbjw/z5ll15 meter, a switch and three resistors are connected as shown. With the switch open as shjro/2b 5 k 41lrzl5,wj1r ljfbown in the diagram the ammeter reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, an idealt5l2niyhx m +7 ammeter, a switch and three resistors are connected as shown. With the swi752l+nx hymtitch open as shown in the diagram the ammeter reads 2.0 amperes.
When the switch is closed, what would be the current in the circuit?


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    总分:50分 及格:30分 时间:不限时
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