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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 s c4gt,+1 0oyz; zddvgchown, an electric current exists in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the resistor and to1g c;y0+ gzv,zdd ct4he 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 connec fn* eo1etr.a/fs5;j;df ora9 ted in parallel, the_________each resistor is a nejf ao.1rfde;*;fot/rs95the 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 throuyr)kk81 s 8sepqt,o 8ggh the thin filament wire of a lightbulb causes the filament to become white hot, while the larger wires connected to the lightbulb remain much cooler. This happseqktoykg )r8, 8 1p8sens 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. LE t 1kpj;l77wfio8n.duD is the acronym for which one of the followinupn87 kid otwf ;.7j1lg 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 grapq rujda xa+nmr2b )+,0hite resistor has length L and cross-sectional area A. It is to uqrbmadan0r,x)++2j 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 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 sau*q7 ezs76t2i+ sbfg9 baec3f me material. Wire II has twice the diameter and twice the length of I. If I has resistance R, 7guaf*+7 ce 6f qs92szbt3eb iII 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 diametjs.(e )rc 0gdder and half the length of wire X. If wire X has a r)jdr d( s0.cgeesistance 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 radip avz//v)d *wsus r. This piece of material is then drawn so that it is a cylinder with new v*w dspav/)/zlength 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 brighter light bulb. Hefr:jv3g5 yho( 2vim-a b, cf9k 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 g y vbfvaki-(j,ghm3c2r9: 5ofiven 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 ma6tp0 .4, f4lh)fmocdva psg )ide of the same material. The length and radius of each resistor is dl o4ph.mfg)v 0 t4f,)aispc6:
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, ariyqc:sp r( 66te connected to a battery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in p6 :qs(6trp yciarallel 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 diagram has izm k; s5i,elu5nu /l+ +qtjm2vnternal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The vo us2 /nlukqel5v,mim+j 5t;+ zltmeter 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..k w/l qld ;/fej4ao+*pv )lyo The three bulbs 1, 2, and 3 - re+eq vo ) yf4kdl/l;olw*apj/ .presented 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 ciru(0g+0 taf:dq. g rfslcuit at the right. If the current in all three resistors is equal, which at.l g rq+: gsuf(0fd0of 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 elxllabu( 5 g3c0ectric circuit composed of 5 identical light bulbs and 2 fla0l35xa( glc ubshlight 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 follu/-tcu5 :jmboowing statements is NOT true concerning the simple circuit shown where resistors R1, R2 andju5ut o :b/-mc 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 connected in series to a battery. Bulb X is b3s z0hp3f +g0fgkui-hk +cme)righter than bulb Y. Assume all circuit elem h+ )3 +sfckpzufime-hg 3g0k0ents 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 through the alj)4j 4,m6cp+okrzr identified resistor in 5 seconds once the circuit +c arjlpzrojm64),4kwas 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 cird,8cnz tr pwov8(xq ).cuit have the same resistance, which would dissipate the greatq.v8pz xrtn d,o8(cw)est 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 c ckm x25gdqe-qc- zb.3ircuit diagram, the current through the 6.0 Ω resistor is 1.0 A. What is the gmbz5d-e-k.xc23qc q 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 connected qm5qb/+ kehd. 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 across R3?m /+dheqqk5b.

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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:4:p pqs4mmafhe)qp 2 resistors R1, R2 andR3 are connected in parallel to a battery. Supfsq:e:)4 pa 2mhq 4mpppose R1 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 w,or v 0b,meoo4 dza-,hatts and 120 volts. What is the maximum value of the currea0 ,orzov,mde 4-hbo,nt 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 w ld eli02zz16y1wuo(xatt lightbulb designed to operate at 120 voltei zl2zwxod0y( u1 6l1s?

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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 fl; mvj 8c5j5;wreskg/l ows through a 4 ohm resistor that is dissipating 36 watts/8js v;ec; klrjwg55 m 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 clcf-jic w;j(aw x-2w7j othes is marked "120 volt, 600 watt.” In norajj- 7cf cw -i(2;xwjwmal use, the 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 re39m+s9gue sn bio8 0onsistances could NOT be produced by a circuit containing only three identical 6Ω resioeun o sg938m 9+sb0nistors?

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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 r9idhk z yb))p* o+rc9nesistors. Which of the following equivalent resistances CANNOT be prob yzpn*k dri9)9o+c) hduced 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 value.cdub -6b ztj)3z0ww ls can be connected together in different configb 0dz l3)-wbwu.6z cjturations. 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 totbmzik- 1rfke,4 urxx6m7y q0ht 8.q)pal power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identical4-xfy6hbmq 08 rietrk .x7pu1 ,km)qz 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 rc/ /0 (e) ffn82rtayzwh -mqj y6l5wowesistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following stat/ yz8jq0th o fwww 5m)-y(lrf2nea 6c/ements 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 wk10w u)0ir 4bo)nxhxnhen operating at 120 volts. What is the minim uw0h) ni k0bxo1nr)4xum 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 9)dsy7 ( vo lf)7vsynbge) w3-cf jsc.resistor that is dissipating 36 watts of po b7wo.3d(ge7 sfv l)ysc)fsc)j-n9vywer?

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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 to 120 pwf -2h(yjt21bjmv1 c ew)2 noeyh c;(volts. If the price of electricity is (wj(vt1boych2- mch)1efn2jey ; w2p$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 ligod134q8 /hrkn8nmpypg bq4 tb+ -(axehtbulb lit continuously for 1 year at a rategk b8bt op+ (hp ex q4q13rndn84-m/ya 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 resulv)4vegqiy( k 2ts in a power of 24.0 W associated with the bulb. Which one of the following choiceq2 yvk4() geivs 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 a computer rated at 500 ttp70*8h 9hn ftz8u*o aydsr3watts in a 120 V circuit. If all computers are plugged into a single circuit rthtn08s fop yau*t9 zh7d3*8 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 battery is connected to four resistors to fqhcc pi/ 8s 0ssd4o0w2orm a simple circuit as shohi/pqsow4 ccs00 8d2swn 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 form a simple circuit ) kl q0l)stir(1g*mfj as showns*)r0 tfijkq1(mlg)l 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 resistt:l*pq) ow:wn ors are connected as shown. With the switch open as shown in the d:l* tw: p)nwqoiagram 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 ammeqp.7yul 5 ptv7ter, a switch and three resistors are connected as shown. With the switch open as showup5q yv77t.lp n 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 in3wbil+ k8 m*esjl0w6 deal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter rn8 bwj+ 63w le*slikm0eads 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 tyek b2 w/nr6n4he equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all wbk 6n24r yne/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 circu r(q )ggxc;or.it shown to the right with resistance.cgrqgr )o; (xs $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 swt6 k7 9;rvbpshows five identical resistors connected in a combination series and parallel sw6kv 9;r 7pbtcircuit 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 conp kt6zp9j s1t3f6bn;ig8 uv 4fl;y: lcnected in a combination series and parallel circuit to a voltagej3vlg6cy 9pt 14 ;ku:p6nis;t8ffzb l 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 of0gi )6 hcmii,w the bulbs are identical. Which bulb will be thegi)0cmi hi,6w 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 resistors 5dcutk)33zq 5 9xeqgu.b s*fxare connected as shown. With the switch open as shown in the5.)*5uzd fgq3cxbs3 kt9uxqe 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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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 n29-l( k ww/ pykanfr9fs *v4(gsfy5pswitch and three resistors are connected as shown. With the switch open as shown in the diagram the ammy fwp9nnkwg *4(f l-52a9ykf ps(r/sveter 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;9fkc nbz*o* 4wi i ryw3d)gv,s3 dcw), an ideal ammeter, a switch and three resistors are connefwz rw wo3c)4, c9k*iv *)3nd bdy;giscted as 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?


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    总分:50分 及格:30分 时间:不限时
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