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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 electri xq2e-seo:n5 hc current exists in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the res:2nx-h5e oeq sistor 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,2gmz:p)r:jfqq 2htn28w: eco the_________each resistor is the saz:: 8rcnp 2qq)2:hjegt2fo m wme.

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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 l::imx*uo 5ediightbulb causes the filament to bec: 5mie*xud :ioome white hot, 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 household lighpmrv j5)cv-6v kd7lms7v ;m,its are being replaced with LEDs. LED is the acronym for whk65vd vr-m 7,ml)s pmi;7vcj vich one 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 resistas0qj-rt)b1y zabk;71zx-wi; goko8or 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 new resix11 -yzs;ria 8 q0ojgbk)-zbto7;ka wstivity 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 s6.qjr.elg 3(zo hh0r rame material. Wire II has twice the diameter and twice the length of I. If I has resistance R,q0l j .oh(rz.rhge6 3r 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 same material but has twice the diameter anisw/0 : j4ru-mk8dma8 iggt u7d half thkw8 8i0tu :- m4i gjg7a/rdumse length of wire X. If wire X has a resistance of R 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 has length L and radius r. This piece of materi0 7-sjfoyeldpmq( g7ns 0pr 6 0jau1k6al is then drawn so that it is a cylinder with new length 2L. Whalr7mjna0sjq0p7 y0go1(de -f6 s 6ukp t 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 to make a brighbur xjq3nf 06/ter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb prr6/xuf3qnj b0oduce 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 m9i4dh 1baw8 qvade of the same material. The length and radius of e1iq8 wdbvh 94aach 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 resistors, each of reso6q * .6bjni8l7gp*zhx ra-wiistance R, are connected to a battery in the following way: “Two resistors are connected in series. This combination of two resistors isi7rq wgp*-8zn* li b6hx6j o.a connected in parallel 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 accompanying circuit diagram has internal resistanc gl+6k4f+cyho6ow1ld e 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter r+lw1g6d kycofol +4 6heading 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 compf/cww nf22;l qound circuit shown to the right. The three bulbs 1, 2, and 3 - represe2qw;nwc f 2f/lnted 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. Iqoj0(vrcs-.b f the current in all three resistors is equal, which of the following statements must be true?rjc0b.( ovs -q


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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 represents a simple electric circuit composwlr82ewtws.qe0z:e g jf-j3) ed of 5 identical light bulbs and 2 flashlight cells. Which bulb (or bulbs .e 08j3 r:zwjfwgse qlw-e2t))
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 thdm7-y ub qebvqp* 8v1a7df, 0re simple circuit shown where resistors R1, R2 and R3 arm8db1fr avqbqd*u vy-,p077ee 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 br9183 bhy0swzh 0ls4kortit xn) l/ (rmighter than bulb Y. Assume all circuit elemnbzl(rk h0/t3sw 80 4ol hr)9myxsti1ents are ideal. If bulbs X andY are connected in parallel 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 through the identifie zb9 bu*m7zpz6n9sxwvf6cf 2 (yb;cb1) mws)yd resistor in 5)bybs 2c)1v9sm7 ;bfx 9w(b* z66npm cfzzw uy seconds 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 sims uh4*a bavc( ,;9aj0s ekso1bple circuit have the same resistance, which would dissipate a0;, 9j aos1e*vha kb(s4cusbthe greatest 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 accompanying circuit diagram, the current through the 6xu-o9uff ti4er pd86h : b5) 2ioslll).0 Ω resistl)l fs 8tu-2el65o oh rbi)xuifpd94: or is 1.0 A. 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 resisto4efs .vxg -:tcrs R1, R2, and R3 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 sc.fv e:gx4-t 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 res z)x)ir )uz+/. .vhrtg g)tlgmistors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is theg).ir )xg zt.)tz/gml)v+u hr 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 ratk ic /jwsz(2h4 q9ysza* mhb5fz0z8j,ed 1200 watts and 120 volts. What is the maximum value of the s9bhh ziyjcs2z8 0,*mf za4wkj5(/qz 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 li ayh7vf5jnq5 ,fwz (ylse/y 9:ghtbulb designed to operate at 120 volt,sw (e7j9fly5 a5yfh z:y/nvqs?

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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 resis5bm1a;54uawj vhtdhs *mw 4c0o 4s,cjtor that is dissipating 36 wattsmc5ds a5cjjs, o*a4;4hmwbw t1uh4v0 of 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 i* /ygg7.:nrgy/nkg3t d 6-pskivc 7x press clothes is marked "120 volt, 600 watt.” In normal usv ggd77p/ :skn/ -tkxgy gyiic*n.63 re, 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 zr vi76y2x-vkj7a5xqNOT be produced by a circuit containing only three identicaj y6v2 7x5xqv ari7-kzl 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 resistf2hahacws5 cctq,u9uf6qp 979r+a 4w ors. Which of the following equivalent resistances CANNO9+46ufsrqhc uqfh wc99pw5c27a ta,a T be produced using 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 diffu q61b-j5br(ejvnq-bw m +2cja ;9 axperent configurations. If all three resistors are used in a circuit, how many different values of total n1brjwv6a - 2mqa(j9 b+q-ubpxe;j5cresistance 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 cod( h38.qc7*y zrpo1rhxxns( fnnected to a battery, a total power P is dissipated in the cc((3rs.h 1y*rodqfx h 7 p8znxircuit. How much total power is dissipated in a circuit if n identical resistors are connected in series 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, q3yznan:rrm5f s6.o p/4 qiaqi f -0g6having resistance R1 and R2, are connected in parallel, the equivalenfn4g-q n60if35 pq :/oz 6a s.rrqymiat resistance of the combination is 5Ω . Which 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 .a +abhd2ke,/s0jh xx rk7oh 8ok4jq)that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 kg kdhs r kbajhx8ax 4ok.heqj,+o) /702 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 dissipating 3e/ az 1m6hza1 mv)h:cu6 watts oue z6hvzma/m a1c):h1f 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 drami(u0 ff0kz6zp gq;9c . g1zgxws 13 amperes of current when connected to 120 volts. If the price of electricigxzu(p0z. f0gc gmziq6f9 k;1ty 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 fpinc,by0.x g+x)/-v se( syy a 100W lightbulb lit continuously for)(x,e-yf c+ bsgp/yx0 yvs.in 1 year at 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 7 3j 1u;ip v9w4hhxrdwx/bz 0j9byu6 lthrough a lightbulb results in a power of 24.0 W associated with the bulb. Which iywj/p9u hru;6 w1 9jhz0x d lbv34xb7one of the following choices best represents the resistance 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 owns3cnzz/ zr1nf,p 6dvjk x:w (n2 a computer rated at 500 watts in a 120 V circuit. If al p :n32 z/1fcxn ,nzd(vkwzj6rl 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 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 1u2u+lwvzhe75 oho+i 3tbyu1 a simple circuit as shown tzote uiu+2b1vh u yol513w7+ho 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 battery is connected to four resistors to form a simple circuit -rl/ /k2*fzb hw r hpal k8bu(8tvk9j8as shown to // 8pulhklr v rkbjzh9(8b 82tw-a*fk the 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 resistors are cos9i wuj+;4qdwhm3 z8u nnected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampe w4+zj3 d8q9 wsi;umhures.
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 tgq4j duy 4eh7h7 qguo6 -c3au:hree resistors are connected as shown. With the switch open as showhu6 74oj-gceqad4 3uh:q guy7n 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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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battefnumg(k*2d/5 p0cnj9ell v*;wnb f)b ry, an ideal ammeter, a switch and three resistors are connected as showb(gn;c5u/fnd m 0 nj**l2wk fl9evpb)n. With the switch 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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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.14: For the circuit shown to the right, what is the equivalent resistancejb)40 uag+f wno2g0bw? Assume that all wires are ideal, the battery has no g2agb)b0 0un4 wj+owfinternal resistance, and 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 u vf0 pm */jxj04;z2qhv ym;vbfi (*jsright with resm m(bvz*uvpsh iq;j0; x0f* 4f2yj/jvistances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 w3 u;*a3g emueidentical resistors connected in a combination series and parallel circuit to a egm;u*3 eu3wa 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 bel;i* ) hbxxcn-low shows five identical resistors connected in a combination series andn ic -;hlxxb)* 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 diagcq o6v d7/vfq6)3k4we8 amfgtram, all of the bulbs are identical. Which bulb will b6fm7vf4e q8c d3 tv6 koa/w)qge 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 resistors u p ,bokauzi7xs)6/n(are connected as shown. With the switch open as shown i6s),ixz bu oa7 u/pnk(n 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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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, a switch and three resr*z9fp3qgolq91t o8f43wdkfh*( o rgistors are connecthlk foo*338 wg *t9 pfz1(gq9d ro4fqred as shown. With the switch open as shown 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 ideal 8u-omx;zm7rl k00*ro c (9abcv 0ofl:6 ivdjzammeter, a switch and three resistors are connected as shown. With the swit m:j0-v9c*lod zio860kufl0bcav zm r;o7(xrch 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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