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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 su0s118zuf d *jdx:ow whown, an electric current exists in the metal resistor connected to the battery. Whi0w 1dzxuufdjo*: w81 sch 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 resistor9d . +*bi iuwa,6mxtkgs are connected in parallel, the_________each resistor is th xit .d6m9,uw ik+abg*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 the thin filament wire of a lightbulb causes the -ej f4ym,y5vl ahei7k 7,dae*filament to become white hot, while the larger wires co eedjhfey y 7*k7m4, aai-5v,lnnected 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 replaced with LEDs.a qoozki;jso.- p 3r5.8k4eknj )vjt7 LED is the acronym for which one ae4 )pr5o; 7ov3koji j-qtz n.kjsk.8of 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 resistor has length L and cross-sectio;v2+mxx7gn; e hw5:d *3ginx-epk ufnnal area A. It is to be placed into a circuit, bugn;uk2ndwevx-ig :xh;5nme +x7f3*p t 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 the same material. Wire II has twice the dn+;wp(pjg:vxn( n rq/o14okriameter and twice the length of I. If I has resistance R, II ha( 4 /gv(q:o+npp;1j or nknrxws 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 materi 3ek /gn(nh jknz.a9gc 8kbs)+al but has twice the diameter and half the length of hz.a n+k89nbs) gn ke/cj(g3kwire 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 radix ,sn+om+e8dmee 5di 2us r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happ,52 edoee8msn+d+mi xens 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 b,jvb n,bz+zc weq.i //righter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb prode.vq+jzwbc,/ ,/n b izuce 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 u: udpq vh/6o+ :ssv5-r, pwcnresistors are made of the same material. The length and rv-:w:vr sospncpd5+qh u/u6,adius of each 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 resistance R, are connected to a batter2 ofew66jn +byy in the following way: “Two resistors are connected in series. This combifob26wn +ey6jnation of two resistors is 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 accompanyin/otuz2+, b1y lsmie3 jg circuit diagram has internal resistance 10.0 kW and the ammeter has internal resist1o t+ib3 se2l mzy,u/jance 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 u5h)jkja7vb pe5(k9k0u3wb,j/xim f right. The three bulbs 1, 2, and 3 - represented as rfj7uxj5,e0v(3phiuk mb95 wkb ka/)jesistors 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 simplwktnc+n /c:kfj8u(o5 e electrical circuit at the right. If the current in all three resistors is equal, which of the following statements must bkn8c tnuo5+:(k jfw c/e 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 represents a simple electricaq96lc pv3as q0.hd oqqv 2k2/ circuit composed of 5 identical 0 .kvaqp /d 3q2slo9a2qh qcv6light bulbs and 2 flashlight 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 following statemen 1bzad+s kt,+pgk(94io nzr6o,i9 jdbts is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equal resistanc j,a k649,+boztz dr9+p(dn1ibig ksoes?


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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) kclj: pg m:q,)6ea -(ogewci a battery. Bulb X is brighter 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 oj:li)am:q pe6,ke- w)(ggco c f 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 wio nds kh)zj37sxw/bs l*0n;9 cll pass through the identified resistor in 5 seconds once the circuit wal;s7) ojx zhksnnwd 9b*/0s 3cs 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 ino f*2opwyin;d+eusxd9+ ,t5w the following simple circuit have the same resistance, which would dissipate the greatest 2w*,+ywt s u;+dedxpof n5 9oipower?


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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 di rmpylx,1nn)*d bhlaj- q;26fagram, the current through the 6.0 Ω resistor is 1.0 A. What is the power supplh,-62 ajbq); y1*x lnpdnm frly 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 conneqx wk a)*efhk9.je99 rcted in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipatek.jk*x9 fw99)eq rah es 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 resistors R1, R2 andR3 are connected in par ,f9kjyxu (kzu0t:; vuallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is (9ux ,jy0kfuu:t;k zvthe 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 c:8 bb vw8d;qxis rated 1200 watts and 120 volts. What is the maximum value of the current underbvxqc8w;:d 8 b 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 resistann ys;8+ ks 6aod7wrmk; j8fzd6ce of a 60 watt lightbulb designed to operate at 120 vom876; y; 8sr6wzdjk adn kfso+lts?

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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 flj;bff0h m+h m9qe. u+vows through a 4 ohm resistor that is dissipating 36 watts of0j.mmfhf e+ q;+hu9bv 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 ,xsn 3m ( xoydj3g-pj5clothes is marked "120 volt, 600 watt.” In normal use, the(ogmxn 3p5, -sx d3yjj 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 by a c4gp9a- erz7 y ahbc02gircuit containing only three idegcba g-ye 9a0z4 2r7hpntical 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 req d39vyphzp 8 5/bqua3sistors. Which of the following equivalent resistances CANNO35yph vpb3uzda9q q/8T 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 m p:7 d)hgc)bsbrl t *)on/u2ztogether in different configurations. If all three resistors are used in a circuit, how many diff u)ts/nm hcp:l*r)zb d2)ob g7erent 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 re9zvac s9 -np/lsistor is connected to a battery, a total power P is dissipated in the circuit. How much total power isvz9 l-/cps9na 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, having resistance R1 and R2, are connecteb e 34bnq/5ofid in parallel,e3nb fi5/4oqb the equivalent 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 that it has a resistance of 12Ω wh+yghc6i75 n*hux qoih/1k) ;os5fpi nen operating at 120 volts. What is the minimum amount of time that it6yh/qi7nnfcgu+xh5 ;5hpo) *ikoi1s 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 dissipating 36 r58uto0n 1jh lwatts of powe o50l1r tnu8hjr?

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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 connectedkc + 0nl:hp 5m 9os v:ct/8ewzaibj.f. to 120 volts. If the price of.9t.:bjw5a zlsc8 /+me:h iokcn 0pfv 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 co4ncfpo(8i:( m x;m ztqst to keep a 100W lightbulb lit continuously for 1 year at a rate ofm;cm:ip84fnxqto( ( z $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 results in a power ofyfd*it scd1-: .q.dt5a 2scgj 24.0 W associated with the bulb. Which one of the following choices be :t-5y. *cf2gad dtji.q1sscdst 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 owns a computec-ljez0t6jz32 ay85 /msnph mr rated at 500 watts in a 120 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 operatinnl0emzja 5ms26t-8zc/ pjyh3g 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 sp/oa+ig, sx: kba1shh49cpu)chn8 1s imple circuit as sh 98ckbsssa gi4h1)nph a+uohc 1x:p/, own 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 battery is connected to four resistors to -9j )yxb9mlj qform a simple circuit aj9b lq9-mx y)js shown to 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 idea2b4 4a, m tswt6ptcoo3l ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the amme4a m,3t4s2owot bcp6 tter 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 resistoo+c7 dzobi6 9j) xhb0srs are connected as shown. With the switch open as shown in i+6z bs9oxb0)dhjoc7 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 battery, an 0utm1rsk wn+3 ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter nk1t+ ws0mu3r 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 8wxvjyru 4jr+e93t+i , what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resi vw3+ru +9yr8te4jixj stance, 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 t9uis;n1 ubb(aj0h 2 qiu mx;.ohe right with resistances 1;abmh2ijun; bu 09oixuq.(s$R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 resisto: r4k ss5 dtn6f.vida5u9)eim: wptf.rs connected in a combination series and parallel circuit to a voltage sourcei:ff ar4 5p :kme).wnd9 it s.d5vstu6.
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 resisr4l1o kt1j8 fq.flo k/tors connected in a combination series and parallel circuit to a vol 8o r4 q.kolfj1/fltk1tage 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 identicab+o ;3g.qyzg al. Which bulb will be y. zoag ;+gbq3the brightest?


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本习题练习题目来源于题库网 (https://tiku.one)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
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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 batt/kiir,0uh v8z3 ge0u rery, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the au0gre h0zi8r /uikv3, mmeter 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, a p6v(/i4rnf,f.ww mdtn ideal ammeter, a switch and three resistors are connected as shown. Witm.t ip6n4,/w drv wf(fh 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 ammeter,79lgmj3r ukp 6:fx1ng a switch and three resistors are connected as shown. With the switcjg: mlnpk1ufxg76r39 h 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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  • 姓名:游客(未登录)
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    总分:50分 及格:30分 时间:不限时
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