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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 ebqa 9-0jfm o6z3,frhah0x hb2lectric 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 the direction jhz r26-aqha,3fb0ho0mfx b 9of 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 connecte tbp iuwtos/;;nn 07.od in parallel, the_________each resistor is the same to;0.i7bo;/wnnup st .

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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 lightbuljj 5; uqy2n2vuuyc34kb causes the filament to become white hot, while the larger wires connected to the lightbulb remain much cyqc45; 2 3uujnv2ykujooler. 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 househ;rqxc2/; cig+)rvrz d old lights are being replaced with LEDs. LED is the acronymx ;rc g2ir+d ;zr)/qvc 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 lengtx6fvmrc/aw ) 1 -lki4f(qkv a.h 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 ne)v xmrkv(aikf q 4lwc6f.-/ a1w 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 km(e+shp 8d9tmade of the same material. Wire II has twice the diameter and twice the length of I. If I has resistance R, II has mh d+8ek(s9p tresistance

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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 thejm q-.mc/vug0 same material but has twice the diameter and half the length of wir /uv. mm-q0cjge X. If 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 radiucbf7mp2zcfz3x( uk+t zk;43b7y kd7 is r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of this material because of this procfipc+ tbzkzyfuc 7x3(k23477 m;dk bzess?

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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 wants1)n5m j91yp0l(hqefo dpuo*.ay ,kxz to make a brighter light bulb. He decides to modify the filament. How should the a.0lf o)59n* hkxdj,q1yo yp m zepu(1filament of a lightbulb be modified 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 cylindrical resistors are made of the same material. The length qul- yh),zl0wand radius of e)zqlh- 0,uyw lach 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, eau67v,f8u9ov5v h ui csch 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 vfi9s8c75ouvh ,6 uuv 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 internal resistanr t6d7vhegg-z vb u*c.rk0iix+4 5e2oce 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter rea-bv4evz+o2g.kd7r50u ieg t hixc 6*rding 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 showu8.4322g4 kteex jcm4dxng xe n to the right. The three bulbs 1, 2, and 3 - represented as resistors in the d n8jmx42t4gekg23dx4ecu. exiagram
- 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 tnkg lhs 1:os8z7gk6;mhe right. If the current in all three resistors is equal, which of the following: oms 68zkg1knl 7h;sg 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 sid0lzo l*c 4 *ij4h2nnzmple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which zzj*h n4cnl2 *lo 0d4ibulb (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 trum yj)yf dn d5s ul6r/w+3*,nive concerning the simple circuivlf,/3md *n jiysn+5uy6dw r )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 connected in series to ou)krk39ya ;7q )bayfa battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connected iakko uray9 ;3fqy) 7)bn 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 wiq9e5uk 8-ogxz(w ec: yll pass through the identified resistor in 5 seconds once the circuit was closedz9qucoy: e-xe58 gw( k?


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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 circuit have tz 2/bao +q3ugnso pr+/v4wrl5he sazru no/ r wvl+sa5+oqg3/2b4pme resistance, 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 cun)c xd: .fogc,rrent through the 6.0 Ω resistor is 1.0 A. What is the power supplf cxoc, )g.:ndy 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 in series to a battery. Sup ;lfb8ma;slw03-a e;rvypd )q pose 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?l3;fa8)rm p v0be; awd;sqly-

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.40: Three differe) iqjectr w+;y,97cxdnt resistors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 qiwj9, )c+rcdyx; et7W. 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 120 w;-a a2ax9skrq h/;ql0 watts and 120 volts. What is the maximum value of the current under thhq-x/;2; k 9aaswla qrese 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 lightb h3093omdonfishzf3 -ulb designed to operate at 120 voltsh0 3o 3fz3msoif-9hnd?

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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 ucmkb- 2 cyi0vz0::ug+ 2thazohm resistor that is dissipating 36 watt2by u-v0kt:2hmz: g +0icauzcs 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 usedpz)x+:upst ,bjlzux8 x,cmfg 7 fh593 to press clothes is marked "120 volt, 600 watt.” In normal use, the currenupm5t8xb:zz) j+3 cx 7,9f,ghuspl x ft 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 a circ p nh ;mos4r;;vc3fzm+uit containing only three identical 6Ω ;;s3 4fmoh ; nr+zcpmvresistors?

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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 fq1 xqi*los7c/k5kf h d 5s.mi1ollowing equivalent resistancesodqf*x/m1l k5k71c 5i.hsiqs CANNOT be produced 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 can be connected together invk ikkv*p*o -)- zgf;q different configurations. If all three resistors are used in a circuit, how many different values )- ogp*kik;v-zq k*vfof 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 is di g7gu- wky8:kkssipated 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 batteu7y-w gkk:gk8 ry 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 R2pzr;m b6ji.gw(./,id1k ouhg, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the fol. ;wij dibk6m1,o.puhrgg(z/ lowing 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 res1;f r/mp7p.tqbu5 xlkistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 kg of water frutb57.1fpkq/x m lp r;om $15^{\circ}C$ 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 ohmg ws;hcwi4 2yw1ej8oe )e0l a5 resistor that is dissipating 36 wattss5i214jlwewyhgo ee; a 80)wc 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 of current whiu1 k.sqe;yb +apo r224 d/tqyen connected to 120 volts. If the price of electricity iky/e4 qtq r2.sday;bu+1 p 2ios $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 costk0( )l kdjn3le to keep a 100W lightbulb lit continuously for 1 year at a rate of j(kdlkl)0 e3n $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 -jcflpzrj5hh jo 2jawp8 /,k2 4 xb8m.in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the ,2h hp8fj cj l zmb-o r54px.2j/kj8awresistance 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 kc, 4dowh(0tvk 31syy(4vn hfe7c gl/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 fuse, what is the maximum n04w covht,s 3fgv(hnlydkey7ck( 1 4/umber 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 ;jg ;n ezoc +83k7s cy6n4bgykform a simple circuit as shown;cngjok +3ykz48 n e6s7g;b cy 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 co6bqtq/ac wgy 2jyp :8*nnected to four resistors to form a simple circuit as shown to thepa ctbq 8yq*g w:j62/y 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,e +iue-3 fo5bbenm x7) a switch and three resistors are connected as shownno)f u7e5bi-e+bex3 m. 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 idealf4/)h/ (hstjibeahs 4 ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram t/4ihs h/sb)e( jha4fthe 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 are i*q7xt:( /l j jwm+ama/ wpyy(connected as shown. With the switch open as shown in the diagram the +:* xj/7ap(mj tw/ywyml i q(aammeter 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 circu1mj0- b io/9pqljlw:c it shown to the right, what is the equivalent resistance? Assume that all wires are ideab0qj opw:l-clj 9im1/ l, the battery 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 equivaleng ry+f4*z ik/st resistance of the circuit shown to the right with resistances+s/ *y4irk gfz $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 connect7fkj., og:.-c gkrgv ced in a combination series and parallel circuit to a voltage souo-.vk: , jk.rfcgcg7grce.
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 connected in a combinafwe 3:zecaqn /fuo 37:tion series and parallel circuit to a voltage souref 37f/zqowe :cn: 3auce.
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 dia vamm5lb sh9yz 1,,xc 4aqpi8hv,k87o gram, all of the bulbs are identical. Which bulb will be the brightestm8kl,xph so9a ,7mb81 ,a ihy4zv5cvq ?


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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 thr b*;qmyot32: *x+:knf;m- wer wqeukxee resistors are connected as shown. With the swi+bqwem ;wxx3qtf: rmuo* n2;kk:- *yetch 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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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal ammeterfipy p )hgc: +,oks.(g, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the )+o hpyf. ,p: gsk(igcammeter 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 si; yn*eh7wsqn(ws76q x uciq pt./k+* witch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads h. nuexty*nq(p7w7 6 qiwsck/ +sq*i;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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