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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 thejcn, 6 pi/y+lt9q(dmg metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the m9 t,nqicyg6l+pj/ d( 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 re.tc+ljdz pj :4sistor is the samj:4jzctp. +d le.

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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 filacy d o6nu)-l:ft t;+yjment wire of a lightbulb causes the filament to become white hot, while the larger wires connected to the lightbulb remain much cooler. This happens beca-+od uyfn tjl6;)c yt:use

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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 Ltgly2 z53bxql-k+ry u2 ze +r)EDs. LED is the acronym for which one of the following choikl)q+ g2e3 -rrz y25+zly xubtces?

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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-sectional arearfzmd b y8 *hpj+x3c01*bz(/kfsz jh: A. It is to be placed into a circuit, but it first must be cut in half so that the new length is 1/fp3 *bj /mzk zzh8:cyxfdb+h0( * 1rsj2 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 3hd9h )udvp7 ssame material. Wire II has twice the diameter and twice the length of I. If I has resistadup7h d9v3)hsnce 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 has twice the diameter and-yb2 juy4bc00rrb kw)1r/px a half the length of wire X.bj2wr up04bb-r0/yc kyr 1)ax 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 radiu 8)mx4gs3cgry s r. This piece of material is then drawn so that it is a cylinder with nex3smy8c gr )g4w 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 brighter light bulb. He ut-cx5, 0jmdh6apa 6)rg*:s pcik ( swdecides to modify the filament. How should the filament of a lightbulb be modified in order to make the light: a5cwdh6 ta(x6sjcrk0*sui ,p-m)pgbulb 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 acq0 hlx(lb/o)re made of the same material. The length and radius of each h c lb)/o0xlq(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 j z3gu6g:)9b o;d gkbls,4cuoof resistance R, are connected to a battery in the following way: “Two zo3gb)u9l46j: g;b o,kcsdu gresistors are connected in series. This combination of two resistors 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 circuit diagram has internal rcx :*ujb r7p4co( (b;vv,bij7iqav,sesistance 10.0 kW and the ammeter has internal resistance bbx;c,*v :rauj7 q(bi7s pv,iocj (v425.0 ohm. The ammeter reading 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 compoun(3b;r,njbdq dd circuit shown to the right. The three bulbs 1, 2, and 3 - repr, dqd3bbj rn;(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 circuit at the right.6eiedbnnw(4.c wh7s9+ ,vqsc If the current in all three resistors is equal, which of ts 7.ceh9w,ncvis+4eqb 6nw(dhe 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 gp:xsu7aw;b5 simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells.u 5bg;p 7s:wax 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 fo pxsw*vn n t)s9/e l7apeqg g*a6ly:56llowing statements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are gl pv*9e ste7 /p6xw)nygsa5:l*an6qhave 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 anm(qxi(kx lnc-d/,uy;hj -4 jwdY are connected in series to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If (,cx-xq4 nm(iu-/yj;dkl jw hbulbs 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 thr-pbi getil9p nyd7;7v ;y3f4kough the identified resistor in 5 seconds once the circufvt9k ;-ne7pdgy7 bpily3;i4 it 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 lo7lm i -n8.vfin the following simple circuit have the same resistance, which would dissipate tlv8 l7ofm.-ni he 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 tr2nk1) ,zud+o 5 +sw62nd1v azcknrn ehrough the 6.0 Ω resistor is 1.0 A. What is the power suppz2n+12n rwrdu,)eovnsz +nkk6c1 ad5ly 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 tow ta: dp32bxdy b.8/jg a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissip2a3.bdyb /pd8xg j:wt ates 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 connecte0xd fyjj3uv*bio,+cn (y y-/vd in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 di y /uxjny v0i(j3f-yd*o+cb,v ssipates 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. Wh nhuqipl g05 jp952-fuat is the maximum value of the current under these -p95p0g5inl u f2hqjuconditions?

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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 resista04-yfiyfj- eznce of a 60 watt lightbulb designed to operate at 120 voltzf-iyfj ey 04-s?

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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*h/w 8jjto6d z resistor that is dissipating 36 watts of powo8z w*/d6jtjh er?

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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 usedv9n h5v gg6t4ncz ;xy/ to press clothes is marked "120 volt, 600 watt.” In normal use, the curz cg;nyngvh45 x9t/ v6rent 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:ntm4.v7 g,2i5ta:iiclc,c j:o3ks h odrf 8p by a circuit con:,d7iv3ofp24m ,hjinl:ti c csrotc85g .: aktaining 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 cs4c-i0j ,ty+xy9cr:cea,7c2bh uwf)lc f*q resistors. Which of the following equivalent resistances CANNOT bec4cicfwqyb +-),x*t0,j rcl9 feyauc:s7c2h 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 in differez9tg; w5 zrof4:pm,jb nt configurations. If all three resistors are used in a circuit, how many different values p;95fgbtj4,z wzo :mr 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 isl1ar6d26q1j s tapbm8 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 resistors are connected in series using the same battery? Assume the internal resistance of the batterypaq 6d1bm618ralstj2 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,cq 3* cglwxxy0 0s7hm and R2, are connected in parallel, the equivalent resl,y 0c7wmcxs*q0h xg 3istance 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 designed such that it has a resistance of 12Ω whenlndc(723xmc 4m4ir4c u bm7ib operating at 120 volts. What is the minimum amount of time that it would take to warm rm434 n74 lxbi7mcib md(2cuc0.45 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 dissipbdkhg-*s39d7hhmy3 y ating 36 watts of pod3ybh9 m3d *yh- g7khswer?

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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 ampa gz9 01evuna38x s:eieres of current when connected to 120 volts. If the price of electri38z9sx 1:gnv i0euaaecity 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 lightbulb lit continunnpuu*ry ()ch+f51(jt( qnzuously for utrh(*(nz cu q)n+jnuy15( p f1 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 ligh;gg wok86w-g6g r;rpyl u4u1 btbulb results in a power of 24.0 W associated with the bulb. Whicu g r;opr1lw6gb6u- ; 4wkg8ygh 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 a computer rated at 500 watt1 y63swtp,tuu 5fb2yzs in a 120 V circuit. If all computers are plugged into a singl3yb ,ywut5stp1z 2uf 6e circuit 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 batte zw;sx*vx9e uf 3+e;xiry is connected to four resistors to form a simple circuit as sh 93v e; *wfxzxi+xuse;own 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 resi41zunmkvl n;. stors to form a simple circuit as;1.nuz vnkl4 m shown 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 lhm9k vd(x95iideal ammeter, a switch and three resistors are connected as h9d9ivk5 m(x lshown. 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 ideal ammeter, a switch and three resistysk /eyxcgfap*e0fn 9 an08 7+hfp u57ors are connected as shown. With the switch open as shown in yhne9f0+n g kspx aap 7/ 08f57*feyucthe 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, atvc3v9u h;wim ,hyc+6 switch and three resistors are connected as shown. With the switch open as shown in the dhcvh3w 9,+6;uy imtcviagram 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 equii7,0kvze+ ee ivalent resistance? Assume 0zi kee,i7+vethat all wires are ideal, 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 equivalent resistb0ll;, ( gjtcmn:m*q uance of the circuit shown to the right with resistanubn *;jlgmt: (mlq ,0cces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 fzlg11.yrhh0 hdm(q i.u( 5lnjive identical resistors connected in a combination series and parallel circuit to a hg1.q5(muh ( 1jdln y0lhrz .ivoltage 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 beloww4i+ (zrkkl x 8p-fho; shows five identical resistors connected in a combination series and pa z;ohl+4p rkfwxk 8(-irallel 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 diagra.p6 4sj-f c( wvanq/qym, all of the bulbs are identical. Which bulb willa/p4yfc(- nsw.qqv6j 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 oi0j58s;cld i.phko +ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram tk;+pc5j o 8.s0 odiilhhe 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 switch and three resistors are consx53m j3ye+/hel)) ry u0f zgunected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampm y3egzjyfu5+3)sl /ru 0hx) eeres.
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 resistors are c a+g;t w-eb/qk*f xl9zonnected as shown. With the switcg* fz/kw-b;tqe+l a9xh 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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