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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 a u 9tvwd8;akvpu7 j78the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron flow 78kd89pjtu7a v avuw;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 in parallel, the_____ -jdrp6/7jq-vf,xbwi2z* zo4s , zkls____each resistor is the zdvb-,p l67 *ijkx/-j2r4s,qowzz sf 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 wire of a lightbulb couka3o(y3 / jtauses the filament to become white hot, while the larger wires connecteo/y33aotjku( d 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 lig i j+f;s+ jljzea)6p8 a0jk0k8wi +1b rnnpjt1hts are being replaced with LEDs. LED is the acronym for which one of the followr + l nb+1jnpaj wjkj) jszt1iae;6+ k880p0ifing 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 resistortcqvdfn2nu2i ozhh3(r, )z (2 has length L and cross-sectional area A. It is to be placed into a circuit, but it,h)nqu( critd3 z22f v2 no(hz 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 same material. Wirm*37ab:mzak4 lkg za.e II has twice the diameter and twice the length of I. If I has resistance 4bamk 7g*.3zkzala :m 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 material3* 3 sa o 4ys2ww zmg0:vvwny/hhw+)gw but has twice the diameter and half the lwg+o ys3ym v0) w/:4whwv* hag2 nw3szength of wire 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 radius r. This piecvd1*kp wc0 e0pb9ad9a zivu4 +e of material is then drawn so that it is ade0 ac10 pb4v+ *9kuwpziavd 9 cylinder with new 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 Thomasoo a/l;)d3zlk Edison wants to make a brighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more lighl ; a3kl/o)zodt 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 anrh+i7lo;t ; v))yjekxd radius of each resistor is: tiky;xr 7j ))lo; +vhe
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 resistor-,kp bqx* rye.s, each 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. Txq.e bky,rp*-his 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 accomke(g8;15k/1t,d rf fcsz/qmw; icmq spanying circuit diagram has internal resistance 10.0 kW and the ammeter has interneck ,s 1g;ftf c8z 1 ri5d;ks//q(mqmwal resistance 25.0 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 compound circuit shown to the right. The three bulbs 1, 2, a bazq4cknwv- x pdyg3-1-vh*6nd 3 - represented as resistors in the diagram-qknx3- h4vv-g*bczy 6wd1 pa
- 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 current6fqmnk 9i2 /ua in all three resistors is equal, which of the followingqnufi2 m /9k6a 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 ele b y;bh bsnz4w-b1c)+ectric circuit composed of 5 identical light bulbs ayw;h+ sbn-b bz1)e 4bcnd 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 stat:(lh4gq k ef6cements is NOT true concerning the simple circuit shownf 6k l(4ecgq:h 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 a z;.stw/w )uvhf 8l7xnq.2kis battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are7skz8un )whx/l2s;.tv.ifwq 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 w ve7p6 cdh7.akill pass through the identified resistor in 5 seconds once the circuit was cla .h7edkpv6c 7osed?


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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:f dmhwb 0r+)t2ea (pi the following simple circuit have the same resistance, which would diss2 +at e)if0m:d(r bpwhipate 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 through thj );ci 3vow; d- 3crn1rhfynj;e 6.0 Ω resistor is 1.0 A. What is the power supplyrocfy 3iwjn r3h1; d-jn;vc; ) 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 y6d hy-; rolqwnk(o t,9+e6rq connected in series to a battery. Suppy(okrnh6t; -qrw o+q ely d96,ose 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?

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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 connected in paral,/hou sbc. /v04mnpkflel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and Rpfu / m/04. c,hosvnkb3 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 is the max8bpb t +fmgq:1imum value b+tf 1gqbpm:8 of the current 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 watt lightbulb designed t ludmdas 8)x6r*4w 5rdjm+wrz .yys(- o operate at 120 dwm.d r4- lswy(r) d+su*x8yzr j 65mavolts?

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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 dissipating 3a5bwxfl*le24w n +2ki6 wattsb2 2+akxw5liw4e n l*f 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 clothes is marked "120 volt,. w;xd - yt rc x7p0xqiwgx/g2k-m0t.f 600 watt.” In normal use, t/w7- dymqkitxt.;w0g.gcx x2 rf0p -x he 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 resistanceek;oo 6yz pf/9l );mr6fmmlra9lj+h2 s could NOT be produced by a circuit containing only thrfyfz r9kp;;)o9l m 2m6ol6r/ejlm+ haee 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 reskvh;f bbhn i6u-s1 5)n nj7yy(istors. Which of the following equivalent resistances CAi 5n7 bfujnb-yhn1hy(; sv)6 kNNOT 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 ofb-qp+,mkemipi-t ::q nc. j4t different values can be connected together in different configurations. If all three resistorsqbnp tci-tm: -e m4:.pkijq,+ 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 total :-wzkpxw,lk*admm 83c. +rwk power P is dissipated in the circuit. How much total power is dissipated in a circuit i8k3ldkww k*+m xa r:-w.m z,pcf n identical 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 resistance R1 and R2, are cftuc/dsu v)fd pypit10 ;- 0m,onnected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements abo-0fiystmd p;p)u,f/tv0 1cduut 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 z i1g8g(+x ktcresistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it 1+k x ggizt8(cwould 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 4ye.y)i7i38va s89py rury -vf.c z4nx ohm resistor that is dissipating 36 watts ysa8..erc87vfp nx9v4 y yiyu3r)z-i 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 he g2,2 ph/b kbr+g. hvktra:.alater draws 13 amperes of current when connected to 120 volts..+al.khgag:v th,rkp /b 22br If the price 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 it2 vh3 b cr ,o,ux/gbwlk 1w:j4b3cf.ei cost to keep a 100W lightbulb lit continuously fo x jbf3v1,bk,bwl c4e32 :/gcwhi.ourr 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 lightbulb results in9 1i 70hpvkm+vu s*uyb a power of 24.0 W associated with ti7bs h9+v10 *uuyvmpkhe bulb. Which 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 famil+8l.upaj86mfn qvj p0y of six owns a computer rated at 500 watts in a 120 Vjpl.a+ 68mf0 qu8nvp j circuit. If all computers are plugged into a single 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 ty,-ex 1x1 rr+5krgc l2ki9ohro four resistors to form a simple circuit as shown to the ri5rxco-lgi ,9 k 1khrrxye1r2+ght.
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 c oxb*i5sw)zc+:eh:+ rbxj6y zonnected to four resistors to form a simple circuit as sho zrob)bxh6jze* + :sw5:+yxicwn 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 cqz +0q*.cdac three resistors are connected as shown. With the switch open as shown in the dia q0ccqdz*c .+agram 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 conq:kd;)r -fm0rdxf1e nnected as shown. With the switch open 1 fxrnm0-:;rdekq)fdas 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 dxcw8xp vjxcms ):a)i4;j*i(switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0)s8 a:*iimxx(c4jw)jpcd xv; 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 rig7-9e,r;u b/mf nvj2of+ ( sq,dszztxfht, what is the equivalent resistance? 2bvxt,e;j( qdmznf -7s/f+zs,r u9 of Assume that 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 resistance of the circuit shown to the rka6 g5 5ef zs6k63tuyadkk(d5 ight with resistanc565asa e g5 dy 6(uk36fktzkdkes $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 fi:xjwz r n(vm0 .oa1nrn( kjv.o43jos *ve identical resistors connected in a combination series and parallel circuit to a voltage s: o sjnrnzr(4n(w v.m.k0* xj 3vojoa1ource.
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 resistorsu0 mix 7:ab,l yximdr1z5g) +k connected in a combination series and parallel circuit to a vol7lxbmi 50 u,i:raz1d+mxk y g)tage 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 are identu-,mmlu(w5mz vr 4jor3l/ y:i ical. Which bulb will 534(r: l, z-mi /lmou juvymwrbe 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 ideal ammetec5 xvfa nzx 5* svxr6+)e; mx.biwi,*lr, a switch and three resistors are conneczc ne; i6+ixvvxr s* 5w5f)x.lab,mx*ted as shown. 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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本习题练习题目来源于题库网 (https://tiku.one)，学生可刷题练习，扫右侧二维码或加微信skysky1258，获取更多资料
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
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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 t s 2z;efztndzh0c-ak f :-f(.yhree resistors are connected as shown. With the switse:0t. f(z -dcf2z-h;nafzy kch 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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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, anhuh p n. a7 x(ult:-rcvhzq5.1 ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown i.tzc(u 5u-rv1a l7 qpn:h.h xhn 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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