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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, fzdxsk (ko//dhshc q 5y30y+ 5an electric current exists in the metal resistor connected to the battery. Which one of the following choices best deh5dshskdy+okxy0 zc(f5 3/q/ scribes 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, the_________each resixf v.zu ,h0y(dgd81fq stor is the samex8 f,h d0zyfu( 1.gdvq.

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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 du*ykk564, bd cxg8xs8 d3sfrwire of a lightbulb causes the filament to become white hot, while the larger wires connecter36kdfxscb d5x848,ug *kdys d 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 -sbv1)xnyr:0br m* wa o um8a6rjd9 :nlights are being replaced with LEDs. LED is the acronym for which one 01 wdroba m:86sanruby- v9 )*xnjr:mof 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-pegm r1:9lbe+ sectional area A. It is to be placed into a circuit, but it first must be cut in half so that the new lengtrelgb +9em1p :h 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 matern(h 34(sn /pei2ue vfpial. Wire II has twice the diameter and twice the length of I. If I has3 n2/vsnuhip( f ep(e4 resistance R, 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 haz.2hvsya4+w rp*tezym,71. be wf k9ks twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y would have a resiskazezk wp9.,* vr72et1 sw+ yyhfbm4.tance 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 matxke;+n h fgg98erial is then drawn so that it is a cylinder with ng98+gn;fek xh ew 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 make a n) grxymvhx7w* ;z8i 5 o3h, d8,ulidgbrighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modif gv5, odw8n*,g) x7rm h8uil y;3idzhxied in order to make the lightbulb 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 cylindrica dbp, snx,pv4(*aozrx g:q;)rl resistors are made of the same material. The length and radius osbnpqx,x*ro , 4z( ;drv gp:a)f 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 connectaif23:7 s-vcqyd 4pifed to a battery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in p-4p7 adc:q3i i2fyf vsarallel 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 )r;sch5:4 f zo0i4* xevkwkkp*oohmhs9jo91 diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter readi4 mr9s )x9pjc*oz woihko 5s:04kvhoh*ef 1k;ng 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 compoqsz;-b9 wnz8vund circuit shown to the right. The three bulbs 1, 2, and 3 - represented as resist-8n bw9s q;zzvors 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 thfnt63tq c-c 4he right. If the current in all three resistors is e4 tct 3q-hnc6fqual, which 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 of 5 i ofp-,srxx*jw6y5 + cbe6uclb:,)eb cdentical light bulbs and 2 flashlight cells. Whichsxu-jcbb ep),:xc6bryo, w6*ecfl+5 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 circ9qut/ys n. x9oi0 gvw k9ss ,9i8tse3ouit shown where resistors R1, R2 and R3 are have equasus ten /0wks9 otvi99yxq og39.,8si l 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 seriesom4kb -2s1h0v.mg1 arbbr0 +ghbx b7m to 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 of the following choices best represents what is observ1+r m bvgsbbmbhxom40h2gbk a701 r.-ed?


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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 identified resistor qhp0r) 0teyk- in 5 seconds once th -00re)qkptyh e 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 the9( cxo f8qqa5q following simple circuit have the same resistancexf oqq9cq58 a(, 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 z9-)tek upl chj zd g2xd 6-lq)/6ox.of9u(yccircuit diagram, the current through the 6.0 Ω resist(ul xc-x6 d)6eutq hkd p9c o2f-zz)g9y./j loor 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 resistors R1, R2, and R3 are b( zq-x -vej95:6jcuva8xwa bconnected in series to a battery. Suppose R1 carries a currenax zv85 x6e9jbj(v c- :qbu-awt 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 resistors R1, R2 andR3 are connected in parall,5m wd 52hirfael to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 diswm2harf 5, i5dsipates 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. Wuyxx ftpep4h 0::6 s3phat is the maximum value of the current under these fx t p3pp:0s6hx u:e4yconditions?

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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 resistancye r tg+cnc:+g9nrab (qbko-w0 ;t))re of a 60 watt lightbulb designed to operate at 120 v) ;gernco b b :0yrk)(tac wtgrq+9-+nolts?

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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 3a0gld 8wmum5 t gb/;aflows through a 4 ohm resistor that is dissipating 36 watts of powet35b/gmml0gau w8d ;ar?

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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 ir qv,evd4qnm m naancw(78q bb2v- 8/8wy.5q cfon used to press clothes is marked "120 volt, 600 watt.” In normal use, the current in it v -b2nqqnw/mfv m 8n( qv4ac5yqe7ba88dc w.,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 circuit 6hzmn*g.lkf c2 h 3hh9containinchn9 * k.m62 lh3ghfzhg 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 Ω resistors. Which o:h 3xe(tkxhx 1f the following equivalent resistances CANNOT be prod:(ex 3ht1khx xuced 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 wwm, 2(z )sqq61bemx fcan be connected together in different configuratioq61z qmx,eb)m(s fww 2ns. 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 a battery, a total power P i;e f;bfm,(e:cjmr hr9s 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 inter9:mrefm,f(er ;jc hb;nal 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 zt ;ggq/)5iwxgmpzcrh +5 o 0,parallel, the equivalent resistance of the combination is 5Ω . Which of the followigzigm rc5,ozxp wt)+qg / 50h;ng 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 s6z 75ivbhq dx1uch that it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of tibz6q5xiv17h d me 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 that is dissipatid5s iwua*4 nq m p1lns+b9xo9 ,gw,mk,vd7qs*ng 36 watts oko,wqp+s7m9ndwn vl,sx, a *15mi4*uqgsd9bf 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 to5 jfu(3uazp l. 120 volts. If the pricezplua u3.(5f j 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 wa 9jy :bsi0+;lymd,s jould it cost to keep a 100W lightbulb lit continuously for 1 year jy y ;j9,sdam+0sbli: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 lightbulb results in a power of 2trd-,a8/ y+b 0b yf.9g jqkiok4.0 W associated with the bulb. Which one of the following choices best representi/k r9boa y,f-j8dq+ky gt b.0s 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 si(yjyy4z( v6 iux owns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single cijz y4iu6( v(yyrcuit 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 batt ,rs)7/f: hxk vpy2qu/k hii(wery is connected to four resistors to form a simple circuit as shown to the right(h7iwq:2f iv y/pkuh r/kx )s,.
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 cib d e gdniv)7p;n;05.xcsg5csrcuit as show )gcngds 0n55vc;7xd.i pesb; n 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 ammeter, a switch and three resistors are ctw; 4y;yqyk o2onnec 4y2k;yyo;q twted as shown. With 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, an f2)hsb)8 spn7 a j lmscq5pl-7ideal ammeter, a switch and three resistors are connected as shown. Wiqc)m )2llbpf h77as5np-j 8 ssth 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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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 resistors ;a;qbf.gjy w0*8ssdvw si8i8 are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperes. 0wbisi8;wjq s8f sa.8 v;gy*d
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, whaxt8 1n8kax v( osp9si6t is the equivalent resistance? Assume that all wires are ideal, the batti 8tsx(v9 1ao6xn s8pkery has no internal 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 3x jk7z/eev; rmtt/z 5 the right with resistancez/tv z r xjk5mtee/7;3s $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 belod0zxii2+ ;t syw shows five identical resistors connected in a combination series and py20;zid si tx+arallel 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 id: ss 6djz7svtk)mzg:.entical resistors connected in a combination series and parallel circu6m:)sz .7tjssvgzd k:it 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. Whichnx 0 h,c3ben+vdj) t;h bulb will be the brih,3enb)h xj ;cvn0t+dghtest?


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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, l-,o2g:zzvk klb +fh1 a switch and three resistors are connected as shown. With the switch open as shown invz kfg:h, 1-2lo zbl+k 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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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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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 thre- b, gib6;rjnje resistors are connected as shown. With the switch open as s ,gbjnbi6;j-rhown 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, a switch and three re a6 :u5cfytrpcl1 dq./sistors are connected as shown. With the swt qu1f:pc yr/6dla5.citch 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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    总分:50分 及格:30分 时间:不限时
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