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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 current exi n)r3v3e/i twfsts in the metal resistor connected to the battery. Which w3nfv)e t/r3 ione 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 connected in pahq+ 9u ,bjfto2c q*:g+uj4kckrallel, the_________each resistor is the j*hkg u+ t,jf29bq4 u+c:oqkcsame.

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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 cauge./ y b e,lij;lq5i6rses the filament to become white hot, while the larger wires connected to the lightbuii/e, 5 lje .qbly;r6glb 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. LED is the adi jq il0 n463d-w7dbdcronym for which one of the following choic 6-3 id0 7nqbdwjl4iddes?

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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-sectional area A(5(dzriacb7y 0s5hvh w1v5 sc. 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 resistivity to the z (wh7 bihys r1v55s(5vda0ccold 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 ofm voy c*px+c,px )5af ino3j4) the same material. Wire II has twice the diameter and twice the length of I. If I has resistance R, II has 4m,x)jvc)n5 *p+oxpacf y 3i oresistance

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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 thbl0 ep(fl vk::e diameter and half the length of wire X. If wire X has a resistanceb(l: lvk0 fpe: 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 radi;*gy luyy+b*y 38se g8nk(kb tus r. This piece of material is then drawn so t(bs* y ;ne8ugyty3kl+kg8b* yhat 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*j(9e 8;/fsfvh.ns u8 vq8j4itynawl to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more light at a given vol849j(. 8*jfanv; ssqwit un efyh v8/ltage?


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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.07: Three cylindrb07uqdgomjng(*f/6* vcm :2tp qx8i bical resistors are made of the same material. The length and radius of each resistor is: *jq7gmnb gvp8 mb6 :xq(d*ocft2/i0 u
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 battzk+ag5r; ga3q k(rl l8ery in the following way: “Two resistors are connected in series. Thiq akgr;k5rl (g3al+z8s combination 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 rw.8 zf8uj 0xjthe accompanying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter reading is most nearly:j.wrjf88 z0xu


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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 t ;3,r3 hh(djpa0lii obulbs 1, 2, and 3 - represent;ih,da (rlj it33poh0ed 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 ez.8w q.im pcdn a-0(p+h(qk0za3yjz glectrical circuit at the right. If the current in all three resistors is equal, which of the following statements must be true?z3((.nq dj ppk z.igq 0cza8h-ya+0wm


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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 elecxko5k/a q*oy:hxz4 o6 tric circuit composed of 5 identical4:hoo 5k*xkzy/ox6 aq light 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 statements is NOT true 3,vs3l b.hn, oiil 7lmconcerning the simple circuit shown where resistors R1, R2 and R3 arl,vs3il 7o , ni3ml.bhe 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. s4i;bzxj n3:nm kh.q .Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connectednh3 4bnjix;. sq:m.kz 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 cw eu.:t5*z+ tgqwzwqvv4c j 2,,8dllooulombs will pass through the identified resistor in 5 seconds *j: lq5 ,2tvgzqw,+4 w otcedlvzwu8.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 v n;-vgd,yjem1 e rn,4simple circuit have the same resistancg ydjv en n;r4e1v-,m,e, which would dissipate the 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 throu zu*qityh ;4i1+w,wszgh the 6.0 Ω resistor is 1.0 A. What is the pwi4tzswq +y1ui *;hz,ower 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 resistorn-20ics,t*n n1 edn oys 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, andsnn ient1 0o y,2ncd*- 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 resistors R1, R2 andR3 are conne *v;v1x yeq5aq-f (.kzgekq.q cted in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipateeqyz qkv1g e;f.*-k5xvaq (. qs 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 max6pa8 x:hgi+b fhm b,ozd;5.y cimum value of +zhmoyb ag:c,h6d.fp5;b8 i x 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 lig(1a8aqx 8qxu uhtbulb designed to operate at 120 vo8x (qu1xauq8alts?

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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 4t0o -u8mlwm ss j-6di9 ohm resistor that is dissipating 36 watts of pow09s86wosm - l- dtjimuer?

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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 e.spt:g1q e s9to press clothes is marked "120 volt, 600 watt.” In normal use, the curpqss.e9eg 1 :trent 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 NOa fjz x);5y3vx5m +eaeT be produced by a circuit containing only three identical 6Ω re me5yax3vz )fx j5;+aesistors?

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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 following equivalent ,4mo tc1kd,x5rblg t. resistances CANNOT be produced using aocg.mt5 ,1,dbt kr4 lxll 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 ofm, 7c)davux2kfz d 5l6 different values can be connected together in different configurations. If all three resistors are usevl67f dz25 m)dkc,uxa d 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 resi y53vkyi3b 1cqbeijw+2/ x8cestor 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 series using the same battery? Assume the internal resistance of the jy3c w b5/82ive b qiecxyk+13battery 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 4cjjs (+u:o 3ca0clhi and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the followi:colh(3cu ji0aj+4c sng 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 12n- .8 i:u3jeu,clkbz cΩ when operating at 120 volts. What is:b 8c3l,j.n c-ueiuzk 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 current flowsyi d r gbr29mni:tk,,; through a 4 ohm resistor that is dissipating 36 watts oy2,i,nrri: bgd9tk ; mf 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 amperes of current when connected t e g1jlqed *b1tu2/9;h3nt1 x5 dgwwbbo 120 volts. If the pri/*1;bn jx 1gewtlb9d h5eut gw 1q2d3bce 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 muazz8 o(t9bh7)m ; e uln+yqjq)r e:ak,ch would it cost to keep a 100W lightbulb lit continuoy)j+zl;r eu ) nea z87 qmhq:t9(bka,ously for 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 t-64n pc4oyj vt c0kayrady022hrough a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best rer4 c2yytcj a02-4 nv0ko6 aydppresents 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 comput 7z:n3zi m 9d7 xg9 bg-tca5-h2ik:0unzcixbser rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuit protected by ku9sg:z a37 g9x7cizc5h i bn m0:-2zxn-itdba 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 6ivcv*t/ 5y1(sf g 7ym7x hjqyresistors to form a simple circuit as shown t vt(jyf6ym/qysv 7h5 1i*c gx7o 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 resist7,7qlquy pe zr2vxlp*9mf: *cors to form a simple circuit as shown to the right. ,yxlep 7qv urp2czm9:*7*qlf
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 thrqxumj986 sa:luph s 2.ee resistors are connected as shown. With the swap86ssl:xj u.m9hq u2itch 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 am7 23g5iqzoh: u kx1l-fn h-jhumeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperenh:f uj l1hzk2oh35gix 7-q- us.
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 and three z/*ayu (lz; cnw yo9/ikl8yh)nd+7ytresistors are connected as shown. With the switch open as showyc yz/n ldkhy)at n;uo 7zy*+8wl/i9 (n 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 circuiti47 4 cqyz i3q/ i7ksxeal*s1u shown to the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has no intern iye3z iusqqa74/7c ik4lxs*1 al 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 risvjey9 -5.pnb lxy,:dght with res.5 n p:l9-ve,dys jbxyistances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 iiffnrj) c-1 tasz (m u4culw.o6,(gs* n a combination series and parallel ci6z mc-cro ,l*gus((isnftwuj4f ) .1 arcuit to a 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 shows five cnu ;aot/ hx219tnh+xidentical resistors connected in a combination series and parallel circuit toxoaxhhcn19/;tt 2 n +u 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 th kug c6i1 +m)7k(jqwfee bulbs are identical. Which bulb will be the brightjq7+m uef i6k k)c(1gwest?


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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 j9 woq3/xag8nresistors are connected as shown. With the switch open as shown in the diagram x w/9o3aqn8jgthe 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, and92xc*e xbw *xlwa1 -m ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the a- wl*mx cd bea91*wx2xmmeter 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 batte-6teliuwiia2kb g7a- he2a :x.k yr0*ry, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the : gaix2it27e h6yr0ei-w bul-ak .*kadiagram 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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