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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 cue))aedd mp04oc0i8:w ipgj var se00/rrent exists in the metal resistor connected to the battery. Which one of the following choices best describes the direction of elp00dm/048ag)p e)0cedea riowv j:isectron 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 parallel, the_________each *amdbng :)c7;vu.c9oy* da yw resisto u*c:*g7a)9m awovbc.y;ydnd r is the 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 lig7pb,ay )7(xr +c hrazep7 mq)zhtbulb causes the filament to become white hot, while the larger wires connected to the lightbulb remain much pb),z 7xa )hqz m7yarr7+ec( pcooler. 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 brhuq 1 * 21m6gxml*bgi lxu:6heing replaced with LEDs. LED is the acronym for which one of th6hgbmhx1l*qm:6i 1* xlu2 rgue 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 graphi f p4v j3l.,wn(lg.dbinox . ,ivo.ra,te resistor 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 resistivity to the old resistivity of the cylindrb..4lnxrvvd(fln. awg3 joio,pi,.,ical 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 wif+)r6o,m pgpo re II are made of the same material. Wire II has twice the diameter and twice the length of I. If I has resistance R, II+omo) rfg6pp, 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 sb o8o7 4vqlmmu49l/ dqame material but has twice the diameter and half the length of wire X. Ifb4u lqq84omol/ 79vmd 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 radius3 f ,vzhjfiw26van6n 2 r. This piece of material is then drawn so that it is a cylinder with new leng3jvfhwa, nf6i v2n26zth 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 :j qpqn /bj8ue7 hsq5qf2 kl9yc 4/rr9wants 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 l : 2sqq7j 5pq9cqr8u fr94nkj /elhb/yightbulb 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 majmn qs(hy1 59cde of the same material. The length and radius of each resisto hmn(jq1s 9c5yr 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, e /2 gegshe2u/x6-jm akach 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 parallel to a third resistor. This set of three resistors is h-kj2xs mge /u g/2ea6connected 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 nors1,b1( ympcircuit 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 1(npmb 1o,s rymost 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 circuitzqkc8qlyu t+ 9-x 0r)h si(h)a shown to the right. The three bulbs 1, 2, and 3 - reprk(cl-x+u 8tiysrahq)z0 h9q ) esented 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 circuitkv6qoe)m5+/clrb dgktx* 0 /y*ty m ;c at the right. If the current in all three resistors is equal, wh *m cv tm0x//eq+5 r6yyc) goldt*;bkkich 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 represents a simple electric circuit composed of7lur *o yet 9zwa.o8i) 5 identicalz9i ow 7)uotr*.e ly8a 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 ipae1g 7txk9aq1s v,-ys NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are havvaq -ag7e1p1s , kxyt9e 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 2cl9w ji4sf /obattery. 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 of the fo2sw94fci ljo/ llowing 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 identifiv ;ur 0z3sbc6i enso3/ed resistor in 5 seconds oncn ;/u6 vocrz0sibs33 ee 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 circui fe5 cdkjne(.+gox z60li+rz 9 el lc8:k)+bxqt have the same resistance czkbnilxlez.9ex0eqr j6k+ l+g)5o+8 ( fc:d, 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 through the 65-+hv sd oeu/;9pidag/ gcu6m .0 Ω resistor is 1.0 A. What is the power supply volt9u6hge/ dia+;pu dvo-5m/c sgage 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 arnvkz02 nk yq9(e connected in series to a battery. Suppose R1 carries a curqy ( kk9zn02vnrent of 2.0 A, R2 has a resistance 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 resisto,cik0s4 ;/0 fvnfb id 0xh-ll )oshv7ars 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 the curaxo;f0lf7 nc4)0l 0 b,-sidis/ hvhvkrent 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 12dfqqpv;(t / yyp1 .+hd0 volts. What is the maximum value of the current under these con tq1(q/.dy+yp fvhdp; ditions?

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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 to ope3 ymisgzlcdbwg,p6vk /,m /21 rate at 120 vog kcgdmmb2 1,zp/w iv /l3,sy6lts?

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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 as35lqjsuk:alm pengx4l.08 08u9 lw x 4 ohm resistor that is dissipating 36 watts of8xu lxs :l q0pj8lk0a9n3mews .u4gl5 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 to1vgsh6w ;af v4 press clothes is marked "120 volt, 600 watt.” In normal use, tasw;gv 64 hf1vhe 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 u- f n 3fzf-,(-yddfloa circuit contaiffd zo ,-(fyf dul3n--ning only three identical 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 d7zk;fp0b.w hfax;s,q b*qm; Ω resistors. Which of the following equivalent resistances CANNOT be produced uxb;pqfh za, wd q;bkf;0*s7m.sing 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 valueo 2 m4cr0bpe4qs can be connected together in different configurations.4p c 4mr0b2qeo 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 resistor is connected to hkh7zxcv/*.zr( 1byoh*9 g pua battery, a total power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identical resistoy k z( g7x9b.z*hpuoh1/r cv*hrs 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 connected in par)k,1ddmv8fki(,4 nx9qor lhf allel, the equivalent resista1d oldqffihk)k8,nv,(4x m 9 rnce 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 design: k/3jp o sot6+vq4)ave ggk0ned such 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 k o6t spv go3v+/jak:qk4)ne0gg 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 dissipataaxm :yv6 7 sxaav9cps7:fj91ing 36 watts of aav6 :a1m9xp c ys:vjxf77a9s 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 c3fe4- gpod x p7ebu/l.onnected to 120 volts. If the p./ p47-gp eul3dofexb rice 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 100W lightb:t 7an y5kqq7qz,m(b kulb lit continuousl ,b7m(qt:zyq kqak75ny 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 through a lightbu yt/2itl.m*vi9rje6tk)) ojpn9p- pclb results in a power of 24.0 W a69o)9jp n m 2tyc/jvp rkt.ti*)-lipe ssociated with the bulb. Which one 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 owns aubmzb0*3 qdsyy w47*s computer 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 operat7qu3 *4bsswy d0* myzbing 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 to6 qml:s(ojrrfs j*do499k g1o four resistors to form a simple circuit 9(ol 1*4:k9q6 m sgdr fsojojras shown 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 fob lq-9ukic v-1rm a simple circuit as sh 19i- lqvkb-ucown 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 ideal ammeteo hb/bvo4 9p(*,vdxym r, a switch and three resistors are connected as shown. With the switch open as shown in the diagv9pydmvoo*(, h bx4b/ ram 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 resist h.k*;8kjrke z5ypji8 ors are connected as shown. With the switch open as j8pre8jk*k 5izh.; ykshown 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 battery, an ideq,w-f 38(h9rfjf dnfjdc/)ca al ammeter, a switch and three resistors are connected as shown. rdc-/ q)jn9,dj h8wc f3f aff(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 equiu0y tc-yve5, jc e9yl.valent resistance? Assume that all wires are ideal, the battery has no e9uv cyejy tl-c,.5y0internal 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 showbz ,f5ie2 qzy)n to the right with resistancef q)ey52zb iz,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 resistors connected in a combinatsrh9hmi.1s/ x ion series and parallel circuit to9h .ms/ xhi1sr 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 bel0w8ok i;q;nf tow shows five identical resistors connected in a combination series and n;q8i;kt 0of wparallel 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 identical. Whwboc*agt:zs3r7j +ll0 8t iv;ich bulb wi wjllto;z0*s3ritcva b7 +8:g ll 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 resism.9k.,z+ xpp2xd h xb.lzb9jators are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampxx pmk,.x lz+ badz9p2b.9 h.jeres.
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 battery1tx:7 r5 cj3ut+; omf v7fngqi, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open ur 5:x iot1j3t+ ;fmqv7gnf 7cas 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 x t,2x8-h udt)m3fn xjammeter, a switch and three resistors are connected j-t,)2 t umdxfnxx38has shown. 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?


参考答案:    
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