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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 shown, an electric curre)abu mu- s,ol/ l8ki;ent exists in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow t-lau;u8b,m i)os elk/ hrough 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 connected in parallel qo 9j.fm(ji:y, the_________each resistor is the samy:f(m9j . jioqe.

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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 the thin filament wire of a lightbulb causes the fi- /jb ps,(;v jhqihmf/lament to become white hot, qhb, ms (j/ ijp-vf/h;while 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 househznm-3r ,mt6x uold lights are being replaced with LEDs. LED is the acronym for which one of the fo3,zxrm-ntum 6llowing 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 resistor has length L a vpsw64t h+ii-e( ;ykli(/ejo nd cross-sectional area A. It is to be t(ee;+pkhivoij (/-ys4lw i 6placed 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 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 thk +fcx y5*ps; gsl6ec-e same material. Wire II has twice the diameter ak5-clge*+x ;cfp s6s ynd twice 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 the sas)cd 7j* krwwf8m5r )mme material but has twice the diameter and half the length of wire X. If wire X has a resistance of R)wcsmr m7 *wj fk85r)d then wire Y would 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 hu2ir)q qqk8,h as length L and radius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of this hqi)82uq, kr qmaterial 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 to malx 4n zg e+v: /v):gn7 gtgzn.oyr+dd2ke a brighter light bulb. He decides to modify the filament. How should the filament of a lightb2g:vn7+dn)4+gzz/:y xr gt ev. gdlonulb be modified in order 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 resistors are made of the samev6f2t o/ wdrddh x-q.5 material. The length and radius of e6ddw./ x-fqhrt2 5o vdach resistor is:
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 resistorpc6sw2h05w x rs, each of resistance R, are connected to a battery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in parrw c h25x0psw6allel to a 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 accompq80 op, b:4vh bw8w;olzwty+ aanying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25. b w8;+pw 0ltw4:8zahybovo,q 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. Thef1qd)( og(mj q three bulbs 1, 2, and(og)fj1q(q md 3 - represented 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 circu i6w *y,5qshud299aqqgof q:hit at the right. If the current in all three resistors is equal, which of the iouq9 f 9*yq,dg2 swh 56qqh:afollowing 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 atk(d vw153bpe m right represents a simple electric circuit composed of 5 identical light bulbs and 2 flv51b(m3pke dwashlight cells. Which bulb (or bulbs)
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 f 0 1o,8rumnzxo 7suf-sollowing statements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equal1sszu ,muo0xo7 r8nf- 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 cjf */qtwg4 dhdyb-),c onnected in series to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connected in parallelwf/,dh4 jc g- q)d*ytb with each other to the same battery, which one of the 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 t * j3/egzotpwn*af 3/lhrough the identified resistor in 5 seco elfz/j n3/3 o*at*wpgnds once the circuit 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 simple circuit hape d911a sg viq3(9cdave the same resistance, which would dissipate the greatest power? eas1 gp3qc9 (di9v ad1


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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 accompanying circuit diagram, the current through the 6.0 Ω .zeh0 d sap*8vk* ;zmiresistor is 1.0 A. me0zd**a8;szvi hpk . 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 R3kzn :5w+f 7vs yh:xq9dpocm/- are connected in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 6.0 W of power. What is the voltage acrz59:c /n7ydv-ohpf+s : qkmw xoss 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 resistors R1, R2 andR3 avt i/ 6; udlt;q/w1gabhpq7h dh8ro;7re connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, anw7;h;q/ to8g dtb/al v1rdqi6h;hup7 d 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. What is the maximumy59t(eodx v *v value o vv e(dox5yt9*f the 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 lightbulb designed f x+ 3x jib4be+g-k0krto operate at 120 voltsk ++ 0rxgifxkb-eb43j ?

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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 ohm resistor that is dissipating 36 waf isk;,g 7a2td2obm0ov6c vv)tts of powerabc,v6) gs do0;2iov7mt kf2 v?

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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 5xnj an, e lri3:q)(dl)3rl0de dfs /mvolt, 600 watt.” In normal use, the current 3) qd,( ndl/rxrfs :5amnl)ieed30jlin 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;e2 9 roanzgu( by a circuit containing only three idg;z(r ne9oua2 entical 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 resistors. Which of the foll aqco j 2:))qdhh7bl7mowing equivalent resistances CANNOT be produced using all thdh)7b7mh2alq c :oj) qree 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 difm- b*5geqjs 7jferent configurations. If all three resistors are used in a circuit, how many different values of gj-j5b*em7s qtotal 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 resistor is connected to a batte:rvs-x2wc1 2h na-vvcry, 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 series using the same battery? Assume t2c1h--x a v:2cs vvnwrhe 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 resistance R1 and R2, are connected in pq)nn.b ;fqwpd (ti9 /marallel, the equivalent resistance of the combination is 5Ω . Which of the fold./nnq ptbiq(m) f ;w9lowing 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 12Ω when ope7he5.h(z xqrirating at 120 vol7r.hh qe5zi (xts. What is the minimum amount of time that it 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 currentzinp; h2h d22u flows through a 4 ohm resistor that is dissipating 36 wahd2i zp2n2h;u tts of power?

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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 ef3 abv*h)4 ()svaqpj amperes of current when connected to 120 volts. If the price of elv jab)) qeas*34vhpf( ectricity 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 100W lightbulb lit *uub20*3,lycf /( gi:i8j 3hhhsmzqn,k bkcdcontinuously for 1 year at a rateb,km**(iy3q2 lhs fnc u3c:z uj8d,h khb0/gi 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 resultska::pv* rnd7tg-jazx7k2rb2 h -zne 5 in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resista-:n *nkxpezd2 za7gba 2j7 5rh -:tkvrnce of 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 watts in a 12uagl9uvt5r+ 0 0 V circuit. If all computers are plugged into a single circuit protected by a 20 ampere fuse, what is the maximum number of the computers can be operating at the sametiutur+v0gl95a me?

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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 f:h3n v,s .7ti+*n wk/xmlnvb circuit as shown to the n/f*wbxi sk v.7h mv:l+n,nt3right.
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 battery is connected to four resistors to form a simple circui4* 7asn/s t;cdt/khbd t as shown to the riab dt /cs7s 4n;*/hkdtght.
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, yg 8ihrzn u.23*u5 xlfa switch and three resistors are connected as shown. With the switch open as shown in thruy*35 fzh2nlu8. ixge 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 three resisr0thylb wxb:0 fg:n a78*wx;y tors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperesyhxt w n0abgf yr;bw7: x:0*l8.
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 ammeter, a switch an0ob5p y 6zcpz:d three resistors are connected as shown. With the switch open as shown in thp65 boy0pz:z ce diagram 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 syei :dt1e6wp+s3(sc)eoh +m chown to the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and )wc3:eht6 p yeic++e sso m1d(all three resistors have identical resistance 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 of the circuit shown to the ,ol(n.i/y 43sbiia ie right with resistances ns i l3/y( i.o4bieia,$R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 identical resistors connected in a combinati0, psym5fzjay: 5y;fw on series and parallel circuit to ay, fm szaw5:pyj0y5 f; voltage source.
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 shim)fv /,(wyw8u7iryz y 1qz3eows five identical resistors connected in a combinatio87y 1rw,yzimq wyz3( ie)v f/un series and parallel circuit to a voltage 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 diagram, all of the bulbs are identicb+tzc7i)o h2djr 7r 1pal. Which bulr)prcb o 7ti1 7dj+h2zb will be the brightest?


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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 ideal ammeter, a switch and three r9 /aamim:6zqg yg1-uw17jqye esistors are connected as shown. With the switch open as shown in the diagram the amq-uq9g / w6i1ajmz 17yeam :gymeter reads 2.0 amperes.
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 ammeter,dv/a2f9f:46ssz u1gvofmirp4 a6lh 1 a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.04a hs26l vfir9psd4/afo:m1vf 1 zgu6 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 batteryx4cd (( ;mdq+/l dnvwk, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open ask/m4 c(x w;vq(dln dd+ 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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