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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 exists in the metady )x/ (-hj8d 94zqmjl v0fb uk1snw8yl resistor connected to the baf(mk4-w/dzhujb89jv sn8yd1)0yxlq ttery. Which 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 resistors are connected in parallel, i7biw/1 cw hllm0cf,st4c e9 vt:2s(rthe_________each resistof t0ri c4lbewtwc/: l7ss 2h91mcvi (,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 lightbulb causes th6ki;xxzu4r) f l. 1pnee filament to become white hot, while the larger wires connected to the lightzn).1 rf4epiux ;xk6lbulb 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 thfp)+zstge7 w:4zrgse8 l6dg d0 7lb- be acro:8s+7 lt)b 7ps4rzzgl6gedb w -deg0fnym for which 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 resistor has l/2.vn85u fktmx +jt2rpr gcl *ength L and cross-sectional area A. It is to be placed into a circuit, but it first must be cut in half so tha*pkl2cmtv. 2/ tjnxg+rru5f 8t 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 materp((7; rihjkbci9 ps2xial. Wire II has twice the diameter and twice the length of I. If I has resistance R, (sipb2 kpj7i x r;(h9cII 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 and half . k gp/ho,1mq 1j6i o,rosx;ywhw jmrn*/o5v. the length of wire X. If wire X has a resistance of R then wire Y woulq mon5ws/,y*ri.k1j ;h vrj h.gw/om,1p6ooxd 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 lei03 9zeox l9 em8ya1fe0f0oukngth L and radius r. This piece of material is then drawn so that el0o 19e9xzo080a3fm feyik uit 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 to mwwtc+8g3ke/ zake 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 volt k+t/ zgc3ew8wage?


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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 same material. gi4/m + +lxivw2snn0xThe length and radius of each resi g++0n2xv/m4lwx ni sistor 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, ex9kvpa e l2((4qfd mf/ach of resistance R, are connected to a battery in the following way: “Two resistors are connected in series. This combination of two resipl42 dxq9 efv/f (amk(stors 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 accompanying m3ctbu59zy a 4circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter rea34y mbz tu59cading 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. 0ia 5,xxrl5 pwThe three bulbs 1, 2, a, xl0pa 5r5wxind 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 circuit at the right. If the curren 2/m ezz9*kfbft in all three resistors is equal, which of the following statb*/ 29kffm zzeements 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 elecm(qy v1izkrq04g;4ec tric circuit composed of 5 identical light bulbs and 2 flashlight cells. Whicei41qq yzmr ;v0kc(g4h 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 concerning the simple rn/1q(um:k8( g,dt7cyss qjb circui(kj gmsrqutny /c7b qs(8 d,1:t shown where resistors R1, R2 and R3 are 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 )w2en-ax/js2ec5 xz oconnected in series to a battery. Bulb X is brighter than bulb Y. Assume aj5ws-cxeno22 e/ z)x all circuit elements 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 throug2 fpk-cp/1 qemh the identified resistor in 5 seconds /pm- kc21pefq 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 0 b3 mk ma2.g: h5ks6;lwgikv0j +m8epaz*qvd the following simple circuit have the same resistance, which would dissipate the greatest pow;mgjam .pl*k z 8aek+mg:q hvv5 wkb0d06is3 2er?


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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 cl.4 ad8.eqpas fk5df g+yaj9u0z - ln,9b fct+urrent through the 6.0 Ω resistor is 1.0 A. q4 -8kz j lays.b p+ ff9t +adae9,nflu0c.dg5What 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 R3 arefywwyz*irs19 9, h*b36gh;gvg4 pnls 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 acrosvw4rlgby3p w9gi*n*f1h9 ,s ;gyh6zss 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 axrji .8b-r:1vbjwgf6 t::qx n ndR3 are connected in parallel to a battery. Suppose R1brng q.j vf6:i 8xj-:tr 1wx:b has 2V across it, R2 = 4Ω, and 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. z7su9+, wwsd m What is the maximum value of the current und,uzsw7 sd9+wm er 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 re*i gf 3c32/xndmnuswpc 6 7tj/sistance of a 60 watt lightbulb designed to operate at 120 volts?twgnmx nc23 *7i3p/ jfs6u/dc

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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 t05tpz qg;2 wkdhat is dissipating 36 wattgwt 5 kpq;d20zs 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 press clothes is ma ./7x/d hxf4/hdjsrn/ un 2wivrked "120 volt, 600 watt.” In normal use, the current in it isd nw2sh f/ x47.ui n/rv/djh/x

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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 7d.mw7ievk ;g+nv .phresistances could NOT be produced by a circuit containing only three identical 6Ω resivhwkde+ mi7g;v 7n..pstors?

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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 fon, ou4hm ao3u:llowing equivalent resistances CANNOT be produced using all hu, o4nou3a:m 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 togeul6w dnn7p4h1ck xg xq:a*:.1xjp mg+ther in different configurations. If all three resistors are used in a circuit, how many different values of total resisxh1wn .::u ma4c k7x p16jx*qdg pgl+ntance 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 t70vu*c6og rw/b aa8y 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 re6wcvt0o *y ar78gu/ basistors 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 connectsyje; wfg19sdxt3j -ll6 x5vl6 qk.v9k)-kwned in parallel, the equivalent resistance of the combination is 5Ω . Which 53nsv;ej-kwklkxv1w9) sl9xy6 -tgd q lfj 6.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 1iqs;6 .zfk ve/2Ω when operating at 120 volts. What is the minimumi6 .s/ kz;efqv 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 flows through a 4 ohm resistor tmvz aqf)) 1 4(3ocgb kgjy 8)ejpca62khat is dissipating 36 wacqkg)ca83 k(6)1 e )jzfm yo4av2gjbptts 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 amperes((3wlze9 q:rh 8aj ilk of current when connected to 120 volts. If the p( h8q: aij(wlzk 3lr9erice 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 v o0s-w*q (x1ck;eo jakeep a 100W lightbulb lit continuously for 1 year at a;q*x(a1wko j0ovs-c e 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 cur gf2 *dim:;nv scjg/n6rent of 4.00 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resistance of the vfgim n 62n*gs/ ;cjd: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 ownsil;ll 3t3 jg4b+h9b8(m qnjwv a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuit protected by a 20 ampere w;j+lvgbb hq8l3j43 m i9tn(lfuse, 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 a iip8qiv):tb166v4,bgu( 4o zr ahvjw2kr ,b asimple circuit as shown to theivivj ba 6 ubr,(ir46bwk,azhg 21 o)4:8qptv 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 circuiechgq s+3.). aaj7wngt as shown to the rsgh7)je3g.aw n.+qa cight.
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 areo mq: u- pn8ze2j-brl z;9mo3l connected as shown. Wit boeu np-ro-2 m3jqlzz:98lm;h the switch 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, ansfu:t)8 gyj -s /yo4s0.aw6bs p xbtc. ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the d4- yb/cjpox.f8sawyb):6 .s0 tssut giagram 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 ideal ammeter, a switch and threea,)i,5yse tyw35zckp resistors are connected as shown. With the switch open as shown in the diagram the ammetew5pei,3 t,y k)zc5aysr 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,ub (5s1zrhhcb. m*:rx what is the equivalent resistance? Assume that all wires are ideal, the battery has no ihr1(csrhu:z x5b b* .mnternal 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 k.;kr1hp +2y npaj w+7em7zapof the circuit shown to the right with resistances pya7a7;km n ppkzrh+1e +w.2j$R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 resi0q+ c 8r1xby ;l/eeyhdstors connected in a combination series and parallexb0hcdy8 e+ly ;r/qe 1l circuit 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 identical resistors conn29kh57 eboxxvected in a combination2keh vbox57 x9 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 identi*akabc 9o(wb/ cal. Which bulb will be the k/9a*(bbwoacbrightest?


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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 are conn nnxij ik9:7zp e3e8)fected as shown. With the switch open as shown in the diagram the ammeter reads z9jki enxpf) 7e83 :in2.0 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 swi6 4i bugwol,gd,d0 ea 19azjyh92q6dctch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 a 9ogh2w, gau,d4y6aced ib1j 6q9dz0 lmperes.
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, a switch and three resistzm4cq-0:iei, dek t(amkxh mt )pe,+u-i;w l8 ors are connected as shown. Withh-)q w(i4c0mlp ,t emxd -akm,+ ;zek:8iieut 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:    
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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