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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 current7zxocl c 5kc2/ 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 of the electric field th5 c2zcl cox/k7rough 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 resi1ue)cclh +5) 1 lmvfpystors are connected in parallel, the_________each resistor h) lm15fc+ve u)l1ycpis 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 +d)nwkkl- :mau5b 8fe 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 hkl-d+5k:mfeb w8n ua)appens 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 7:jc- c*d t zld bqv/g442evshare being replaced with LEDs. LED is the acronym for which one of the fol d- 2/b t:v44zcg7vjhdlc e*qslowing 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 g:hz piauafx. ;/)m 1tqraphite resistor has length 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 new resistivity to the oltqzf /h;u.p aa)x i:m1d 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 material. Wire II has twigshx08zejam09, f yk;ce the diameter and twice the length of I. If I has r;ky,8fjzghx ea s00 m9esistance 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 kv0u32 l/ljji the diameter and half the length of wire X. If wire X has a resistance/k0il3jl uv j2 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 rsa ey/hk1) aznnuh1+3cus .t. i 7f-xyadius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resi si.1eysn/xhz)c hkay7f+u3u nt1 a-. stance 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 my.r2pjtz kh7:yhv8y,;nf)m9pyyre 7 ake a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified iehy7mj92 ; :)nzyfr.vh7yy krpt,y8 pn 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 ma,,5b b.wx9nib0+ir 27ezz ibcgpjqpht4 9p f7de of the same material. The length and radius of each resisto,f 9,q57wti i4x 9nbepg+.bbbp0cz pji2r h7zr 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 connected to a battery in th .ja: fuewx7;21jwfsle following wx sj7wf21u:w;lfaje .ay: “Two resistors 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 ac5)gupx*i6ww9g xmog6 companying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.gi*mu9 wggpo )6 5w6xx00 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 righ0pah+/iihu92g vui,hy:c av1t. The three bulbs 1, 2, and 3 - represented as resistors in the d vh,/:1iava2cuhgpy u9ii + h0iagram
- 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 current in alld kmgcmuc c-b8j h5;))-a 3alb three resistors is equal, which of thec-ac)m jkbhbgu3-;a 8cd)ml5 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 circuitj-9pko8hm3 e i composed of 5 identical light bulbs and 2 flashlight cells. Which bulb (ore 9 op-h8mjki3 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 followinxbx 1*+b. jfvu 6gqe1xg statements is NOT true concerning the simple circuit shown whe g1xbj6*xbuq+e .fxv1re 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 a batt(lmm fqisr y1z,4 ;/kxery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs,zlm;kyi x4f/rs qm1( 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 th., 02 /iqlfgyv vcu7sjrough the identified resistor in 5 seconds once the circuiv ,fqgj2u7l.s cv/yi0t 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 the following simple cb bp8nj(u-9dt c.5tbx ircuit have the same resistance, which would dissipate the greatest 5bbdnp cj 89 (-ttuxb.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 through thevcpva m vrxkj1-o;7 uj .4y,d) 6.0 Ω resistor is 1.0 A. Whavmd.,oyj jr1 vka 7;-v4pucx)t 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 .a5fydk innwg g):o ;(56gx.,gicg lvR3 are connected in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a igc gi k.vg gnolx,y)fg6w :(na.5;5dresistance 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 c1ik8xp8n 6u 9y.6sniqz. ynohonnected in parallel to a battery. Suppose R1 hai 1n6.yonq zyi hn.6psk98 x8us 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. Wha;q:a t+e jvdlnnn- xmj+yf*-g7 i -dc0t is the maximum value of the current under these condn-jendm l gd++ acvtx--j:f7;qi*y0 nitions?

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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 lightbulb designed to operaap-) k-z sesrr+-mkqb)9b* uste at 120 -re- bb)m-a qrps9ks)z*ku+ svolts?

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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 that is dissipa z-wd pu;:cbd0, 7qhdhting 36 watts of powdq7 0u-, ; d:phbhcdzwer?

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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 marked "120 volt, 600 wathza :.d*b,s s(le5jor z6nm.- yhfek+t.” In normal use, the currefh5yn zh6r-dz .ms:ba+jlsoe ek(,.*nt 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 arl1pjbq *lim-s ws3vusdb(-sv,0h b8) t(a 1 o circuit containing osplbi s-10us jrsoq db b3m*a ,l(wvt)v-( 81hnly 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 of the follow)m2u ugz1ud /m4upd4u.ub70xx+g ww xing equivalent resistances CANNOT be produced using all three resw 1u07u2 d 4mbx uwzu)upxg+dx./4 mugistors?

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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 dif9h7c+ skpm fz/ferent configurations. If all three resistors are used in a circuit, how many differen9 + pmcfkz/hs7t 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 d((wn tg*v()fiqlr6w50w(bbzdk a )w 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 thelb( d wfg(iv *(tw0k wzn(r5))6w bqda 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,6 xvxi.aq1ho4r4cl7bsquv x 8a;c6 6j+b3m sf having resistance R1 and R2, are connected in parallel, the equivalent resistance of the combbx6hu f;ji16684 sv7q. q3valxoa+cbc 4rmsx ination 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 tha*9syg *w3rl/mzsj cp +t it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would+93wgl*sp ys c/mj*zr 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 dissipating 4z y8mnde5 qb)36 watts e5q4)b8znmy dof 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 whenqrfy;kze. t9j0hf n *m x+f38v connected to 120 volts. If the price of electricit* f ;mh0jqx+3kt8r9. fyezvf ny 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 continkwa6dk9 30j nutk h)/yuousl / hkkaw0ty3u jd)6kn9y for 1 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,x2b2(xyzz at xujt 8. k)4h4nkhfgp5 tbulb results in a power of 24.0 W associated with the bulb. Which one of t5z2 xt(yu.)ng44a hp x,8jkbktxh2fzhe 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 o0ye*jj*9qjw9 h mamkf.qmler9n/1) computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a sin.j)9j ejah1 n 9wmly*mqfmoe/k9 0 r*qgle 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 battery is connected to four2b(ds9y x/agv qa9 h,b resistors to form a simple circuit a,/ a(a9bdxvygqh2 9sbs shown 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 1a -ka*gy+ma5gzpk9z resistors to form a simple circuit as shown to the right.a*59k-a1ym+ zzgp agk
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 id9a b18qdl.mud n+ruy,eal ammeter, a switch and three resistors are connected as shoq l1rdb mund,8.+9a uywn. 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, zo 4w8 zy-iu(r0p ;fdqab 1y uvve)*(ban ideal ammeter, a switch and three resistors are connected as shown. With tadye v(z* fq8uu byzb ;w)p-0vr i1(o4he 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 thrhowzasxnok7weh m-r +nv.; dax06s7c) p823hee resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampen 7z8wra a swspcm ohv ;hn+oe2x7k.h-d3) 6x0res.
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 (:nzgty zrs;f2p-ri 5is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistsgfrz 5i:(p ;y2-nzr tance, 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 ofzx0rb):w;ruk:0g h bli2ceo) the circuit shown to the right with resistanlc0z bo:wk :bxe0;uh) ig2r)r ces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 connected in a comweilu2jwv4 *rr( k3w1 bination series and pari *juv2(r1w3eww4kr l allel 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 resistor+ta/2+f53xcmxw r8nsp qdz3as,s o4 hs connected in a combination series and parallel circuit tfx4hqtr5p3c+zsx,w sdn 2/m+os a 38ao 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 diag9 vb2hmxy69 tgram, all of the bulbs are identical. Which bulb will be the bgb 6yvm29xt9h rightest?


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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 anbyr78p p7v64)wsksl -u7nla gd three resistors are connected as shown. With the switch open as shown in the diagram the g6l74rav)s k 7sl 8wb yp-pn7uammeter 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, ag/9ha:tdl6 ir7(t+zajn;dcw switch and three resistors are connected as showaiw7 +d /tgdralc(zth69 ;n j:n. With 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?


参考答案:    
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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 resdngmk/*n .dp d*2cuu9 istors are connected as shown. With the switch open as shown in the diagram the an9k .m /*d* gcun2uddpmmeter 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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