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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 the me r2aj3y/vn;6 p tekim6tal resistor connected to the battery. Which one of the following choices best describes the diramrtpn 3ei 6j6 vy;2k/ection 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 px*v qpj:;b,zsl8g b-u ,pc:ilg1 t3q in parallel, the_________each resistor is z p8pqb:xl lp uv:s3*-g g,ij,qt bc;1the 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 thin filament wirsc5i6spz5f ituv qj*(-; 1 dpae of a lightbulb causes the filament to become white hot, while the larger wir(z*d5pvi;qc pu56s itas-j f1es connected 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 lights are being replaced with LEDs. LEhn y)j-g, aa2)w 2;;vjhnkh.tqf;ayxD is the acrony;aa-qv,y)h;2fxnj h;haw.g y)nt 2jkm 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 graph3 x*sxmqon)1; qo:ygl ite 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 lny)mg;oql3xs*o :x1 qength 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 mj y:s*r*1b61c jol lexaterial. Wire II has twice the diameter and twice the length of I. If I has rjl:xe b1rcj *oy1s*6lesistance 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 twixr6 2c y)4iujece the diameter and half the length of wire X. If wire X has a resistance of R then wire Y would have a ree)j 2yix46c rusistance 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 rabre ( 1tqsv8 zky;td(4dius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resi(tv b(k;8qe zd4sy1tr 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 make a brighter light bulb. He decides j0 1n1ti wb7t1jqlv/ 1y:u-nfyji lq3to modify the filament. How should the y1l -j nin1y/w3jt 0 qutfli117:vqbj filament 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 j wv0eyscyns 7h67.1(y8ejbksame material. The length and radius of each resisto 1. sew 8hy y6j7evk(cs0bnj7yr 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 resist z3,pfp he+le5ance 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 set of thp3e5p e,flh+zree 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 accompanyingo laf ox0/vo;k2teh +5jum( m7 circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter reading is hm5a20 v;eumofl+7x/k o oj(tmost 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 coiv b/s2m5qo azzbo,y+ :gg ;4bmpound circuit shown to the right. The three bulbs 1, 2, and 3 - represented as resistors i/qagy+sov, 52mzg4zb:o;bi bn 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 sim)u1k /.s5oyyku( rklwple electrical circuit at the right. If the current in all three resistorswo.5kk 1u ykyr(lu)s/ is equal, 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 simplsl64r)a cp xi9e electric circuit composed of 5 identical lightx4) csair96l p bulbs and 2 flashlight 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 following statements is NOT true concerning the simp9 nv)u srg + zb68/iy(gh7ziu c3dfm.tle circuit shown where resistors R1, .7 czn93(iig /sb zyt+udvr 68uhmg)f 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 battery. Bulb s1kcv pgqe4w bnz*;o6 .cx+. kX 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 battecs*bnpqoc vx.+ 1kg6;w ze 4k.ry, 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 coulombsic;5 *g srvk+bdh*kra). rx1nr/6qqk will pass through the identified resistor in 5 seconds once the)/qdg q+ *51.6; *hsrikcrkkvx ra nbr 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 td, c.8a(ql bb.nlg lfp5if, eph(6 -hphe following simple circuit have the same resistance, w.6ph,d(l a (ipfqplb-n g.h 5lc,fb e8hich 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 current thry zk/hdqmddsc4f237 7ough the 6.0 Ω resistor is 1.0 A. What is thq7fzddkdy74 s3 /h2mc e 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 connecte )vmmo *63qex3kx1e iq0-jjped 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 pow103qe)m 3p x*eoimxj6qevk-j er. 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 resixzr/8 yqt.bk7(joi3 o+ s8yahstors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 ha si8aootz(bh y/x 7jy83k.rq+s 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. What iin xacx*g+.xv (e i(q*s the maximum value of the currevx*ni(gq*. xeax+ic( 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 wa0bjn+ ;d6/iy7ln kdt stt lightbulb designed to operate at 120 vb+lj 6yn;dtk n/ 70dsiolts?

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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 dissipatin tpdq-;w -anj(jnj*z +g 36 watts of pow-qpa;z+ w*n-d(nt j jjer?

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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 prestya/o40v+o-llpx yyfu . el x8; +a7nzs clothes is marked "120 volt, 600 watt.” In normal use, the current ina 0l/l7yvy8+y;tx4pn.l +afezoxu-o 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* zl0xa ejt+ c+z5/q.zhba mb3 a circuit containing only three identical 6Ω resistt+cx/q.zbl0aha+* mj3zz 5 beors?

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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 resis n:h26uaq5lkn bgjv+t 6s8(y stors. Which of the following equivalent resistances Cq6 vuj5tn8gs nabkys (+h 6:2lANNOT 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 /v:8ik5wni yr connected together in different configurations. If all three resistors are used in a circuit, how many diw v:5inkr8/ iyfferent 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 t9i7ynancg9u e5:s)tvyca (x6 o a battery, a total power P is dissipated in the circuit. How much total power is dissipated in a circuit if n identical resi xes97 u5av nc6tyy9ag(c:) instors 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 resistance R1 and80xtq 1v9,eyoq fn2rt R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following stat18tt 9v f 2,eqxqryo0nements 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 de;* kl(zhxb2n csigned such that it has a resistance of 12Ω when operating at 120 volts. What is the micn; x2*zlb h(knimum 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 +bma3 9*yh.wo 0sqe yr4 ohm resistor that is dissipating 36 watts of *yow+.amqehy3 b09s rpower?

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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 he+h 9ld0ar prc1ater draws 13 amperes of current when connected to 120 volts. If the c91h+0 ra pdlrprice 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 would it cost to keep a 1ss2a r+,d(ge + 7mhdxq)lewd,vfe5-h 00W lightbulb lit continuously for s fmh+l g+ ae(se2qd-r) dw5,h d,x7ev1 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 through082 zfnq.ma1enoa x3u a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resistance of the2 .e xf3u1qzn0a8onam 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 50jdgt1ku9 lhsif9 eu ,hc qwf1- +0a :h68j(oeb0 watts in a 120 V circuit. If all computers are plugged into a single circuit protected by a 20 ampere fuse, what is ttl (cgae1ubku:jo86 1,9 9f-0 wdsh fje+hhiqhe 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 fou2d cy9z2 z0 y; -hlud w4dgahk5m+v/yxr resistors to form a simple circuit as shown xa y0mzh25wd;yzc-klv ug +/94d2y hdto 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 batte 6i e13atpxp7qp uzee-m38-e zf-4fxyry is connected to four resistors to form a simple circuit as shme7zt-yp -exu8exf6fei3 3pqzap14- own 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 ideal2 c9:czpd936nxc zgyk ammeter, a switch and three resistors are connected as shown. With the switch ope3 9ck :nxzpgdzc6c2y9 n 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 resistors are conus44x. sv-d5ymw th v,0u6zc d/ czl.en -uwu06dl x4svd4,. vcez z5/hcy.st mected as shown. 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?


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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 o r0bjyty9:s.j tdgpn8l;; +rre connected as shown. With the switch open as shown in theryl;;0s.+d8 ojtjr p9yn:gbt diagram 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, w u 9y1(5p5cz5yjn8ycbx4j yzbgh1h .vhat is the equivalent resistance? Assume that all wires aczcj9pyyh 85ug5z5 hbvxy j1(yb 4. n1re 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 resieqfq78 nb9k ;c(8g udmstance of the circuit shown to the right with resismf7 8bg (;9endu 8qcqktances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 rex sk g-;lv8:fs tjc)/gsistors connected in a combination seriefj tsg : xl)gsv;/8k-cs and parallel 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 resistors connectwjjb* :xvr44m s/mg/zed in a combination serie:j44/zvjbs*mr gwx/ms and parallel 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 diagram, all of the bulbs t0* 6xi: h agrpzu h.1t,xh/u1qv3xo s are identical. Which bulb will be the br0q u,ir:t 1zpxo v .3ghuhh/xs *xa6t1ightest?


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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 idea(dqit) sy na-c,.qvil*53n d;ervt)g l ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter read).;ivd e-)tl3,gi*5cqtn nd(qvra sys 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 o3sm k3ica1)sidf(w2 are connected as shown. With the switch openoic31k2s sw)i3 amdf( 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,l-vdpa03o8 t 1t-o4 lclazj8d a switch and three resistors are connected as shown. With the switch open as shown in the diagram the amlvlc pooa1 8 -a3dt-t z04d8jlmeter 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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