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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 metal re9fi,zy9- 9ix bz o, eotqji3c4sistor connected to tht 9ifo9ezb,9yxz -q3o4 , ijice battery. Which one of the following choices best describes the direction 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 in parallel, the_________6rgn 24tws j0mxy( ,jzeach resisto xj 06ymg(,jtrwzn2 s4r is 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 thin filament jx qdw(q( 4x3uwire of a lightbulb causes the filament to dwu(3xx4q (j qbecome white hot, while the larger wires 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 repla:x.d:zwezry;jsb 4 2oced with LEDs. LED is the acronym for which one of the following y sewbxrz:2 4.zjo;:d 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 lengtwe 5j .0xj9k5gsxl6qy 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 new resistivity to the old resistivity of05w9jyj eqg65 kxxl s. 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 zh;l in,a:epw9 os /i.II are made of the same material. Wire II has twice the diameter and twice the length of I. If I has resistance R, II has resip h s:iozae;,w9il .n/stance

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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 andrz7kiivg;5 is u*hkuz hy,1.8 half the length of wire X. If wire X has a resistance of R then wire Y woi z5y8rsuu1ghi7h,kz;k v.*i uld 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. Th*jklas i d,9 ec5rjc*o,6tx s17 esqc4is piece of material is then drawn so that it is a cylinder with new lengths76k, ei1*s9*5rjaj xt eosdq cc4l,c 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 wan ,e29cfyk:(3v gde zxn4s+gcy9 lwrv3ts to make a brighter light bulb. He decides to modify the filament. How should the filament of a ligky vg4rc39d lsf y,:e3(n 9x2evwg+c zhtbulb 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 madez9wb 5 xg/qq. 2u0trmnuq- u,o of the same material. The length and radint5uqwz x0- .qu bgou2,qm9r/ us of each 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 of resistance R, a)l2,ue/ eqway re 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 y2,a uwqe)/lethird 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 accompanyind+rguu7j o)fh/82ebcq :c;fe g 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 readinuuh;/)gecj f d82+b7cfeq or :g 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 r62ffo,:j xe e.wjx0xbight. The three bulbs 1, 2, and 3 - rep, 6j fe20wxe.boj fx:xresented 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. 59 s p v04t:ezwnbl f4ia3 ;6tuw dko.fp::ajrIf the current in all three resistors is equal, which of the following statements must be p4dwa: rv.kf:oibe0w; 3ftpzsl :tu 5an4 96jtrue?


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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 :;ovanq w: oxv mq).-zrav69icircuit composed of 5 identical light bulbs and ir9aov6:w:m vqz) v-. a;nxoq2 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 simple circ:tsnghlx m,:dx sn/p;d 9p,;zuit shownp,dl,mpnn:;dzxxg th9;s: s/ 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 Xj4 kh: 4s1g ddy3i+of7wz2slu, 7avgw:zl9am andY are connected in series to a battery. Bulb X is brighter than bulz 2+ 47dvakoj73li9shm yw4 l:guadz1 w, sf:gb Y. Assume all circuit elements are ideal. If bulbs 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 c6lh2 9; zgo7d bchcy-houlombs will pass through the identified resistor in 5 seconds once the circu;9y h7 hob2-dgcc6hlz 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 in the following simplexhgy;4bh 6n8,ab+ mwt t .q.)9 qgvuxa circuit have the stx.by6n,wq9ta8m.h4v ;bu gx a gh+)q ame 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 circ cvw9f(sv. y.euit diagram, the current through the 6.0 Ω resistor is 1.0 A. What is the powesv9 vfew(c ..yr 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 connected in seri7hc2ozu9j x8 bt/qea1es to a battery. Suppose R1 carrie21 9/o 8uzbctj7exh aqs 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 ando*wurssv9a( lg.oa+8 a37gy u R3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 diso 7r g9osvaua(ag .*yul8 +3swsipates 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. q/s;cfd1nuhs/jy z l0o* zf40 What is the maximum vausz c/s0h/no4 fzydljf q;10*lue 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 wa5fl nqaqr djw- z9 .j(9anw24ytt lightbulb designed to operate at 120 voltsj5.y9q24 arlqwz- (dn wja9nf?

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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 diss:ty6 dmyujp/.ipating 36 watts of 6uydm p.y:tj/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 v2 y1t1pot 92 h*rakbeis marked "120 volt, 600 watt.” Inrtv2 yph2t 9e1ka bo*1 normal use, the 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 resistances could NOT be producedh( euv1+jlpp,n1 rr32 r 4qijl by a circuit containing only +2pjp(h1l41ri u nvjr3, lreqthree 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 following equivaw1ucov* 59hq 6 dfx)03mpoty vlent resistances6o9)t* 35dqvf wmu0cyv hx1po 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 togethfks4qpbr nyg8ae 9*ka:+2u z6er in different configurations. If all three resistors are used in a circuit, how many different values of total resistance can zpue24 bk9a* 6nr safg k:+q8ybe 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 uq .u7.yes+nogqr6lz jr ) vxh(,ig0 7jjkf82 is dissipated in tq.,8r)jo62 .x 7fq 7 lkjsz(ie y+vjnru 0hugghe 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 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 resistore tirzk/3k8u1f, ,eel s, having resistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resistances is corre k3etzu/8,eri1 f,klect?

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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 that8lm/b0,m lw+p m 1gd2mn3 kcjd it has a resistance of 12Ω when operating at 120 volts. Whakdm1,w3 ldmnm8lcb /g+mjp02t is the minimum 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 throughf 8sg 1krd9gw- a 4 ohm resistor that is dissipating 36 watts of po1 -gwf9gds kr8wer?

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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 c-:w tw +g8kejj*2n2a(bbcyk when connected to 120 volts. If the price n2+w:-jaky c2jw(8b* ckbtge 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 eu,,xcwf xp9ckprg8,nlv* f) dq9(. qi4(qggit cost to keep a 100W lightbulb lit continuously for 1 yearn)pv,*4 pg9,f( x .qkq 8gq(u,gfwdl9 cxierc 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 p)8kb juw,.rj* vgy 919bwrg nin a power of 24.0 W associated with the bulb. Which one of the following chob w urb*9jyvwr9j1 g)n,g.p8 kices 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 computeri)5mrvgkn g 3pc) 8x;tsqkc e j:8ya :4e3et1y rated at 500 watts in a 120 V circuit. If all computers are g:tsyx8vp);y i q a 3ge: k r5n)ckeje8341ctmplugged 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 to four resistry t1k llz4xyjut1q7g-:z5- qors to form a simple circuit a: u l 7gytq1--jxlt54qk1 yrzzs 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 foojap: d:yvor.i6 t;.v ur resistors to form a simple circuit as shown .:y .pov6ajtrd o:vi; 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 yl)z4cs+xd 1paf0ul 2s *1fwqand three resistors are connected as shown. With the swit 1z )s0l+ ysu *lfda142cxfpwqch 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 idnh4crq ks.;w 73gln** ibwyi7 eal ammeter, a switch and three resistors are connected as shown. Wik c7i7;iw4 qgw n.ryh*s*b 3nlth 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, anjao /,r j51av+ 8cu0sjb+cvx c ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagrvcjoa rc js c850u+1/+jb xav,am 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 ngkllclwu99 ab*v0l(5tc; 9 u the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have ident09a b9c( c95nvl*lwkgul;lutical 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 right wivdgmud3. iaucz 45 ftgm;6 n(,th resistance tc.duzmu6 n;ia ,g3fv5g 4(dms $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 con:8sq;a kcsc4n q-tgg ;nected in a combination series and parallel circuit to a voltage so8;qgq;-kg4 a:tss cc nurce.
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 resistor5,4pr,9zshgl vu j f yrrs)(w.s connected in a combination series and parallel circuit u9pr5)sw(4h rj .,y,zg rsfl vto 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 circ rmun+,m :g hx03haj-bn8*8. oqvuzwquit diagram, all of the bulbs are identical. Which bulb wil8a +8gnbwhr 3nv*uq.-,q o xmhm: zju0l 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, 3-x m;otf;begq /pk4ban ideal ammeter, a switch and three resistors are connected as shown. With the swo fqb /mg3kp;-xe bt;4itch 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 ammeter, a switv ka 3:jr*sz7gi;/3nlriel f :ch and three resistors are connected as shown. With the switch opk3r/ zn3 lle7j: faiv*igr: s;en 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:    
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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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 sweuf4koa *s19og8n c * 08oidxu+-oqgz itch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2oga qzoon+ uu9k80fo1e4dcgx s8- i**.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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