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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 resistor coh 3/,c9jqxoeu 1hv c5rnnected 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 through the interior of tqu xce1v 5hr,h /39jcohe 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.go (yi z ypuvxo06tpna;/ *l1, the_________each resistor is the sa i*0.6;1xlypzg nt/p(uaoyo v me.

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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 qbs 8 t++uvehc(5nf)p a lightbulb causes the filament to become white hot, while the larger wires connected to the lightbulb remain much cooler. This happens becausuvh+) f8t+sn (q cb5epe

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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 a)z1ppgw o-5wipfi j 5s u(l )4.prnq5vre being replaced with LEDs. LED is the acr p1.or jqvs55 zpiw(5)n g)p4f u-liwponym 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 cylindrical6 7s hwylwi/pp9l;jq9 graphite 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 old resistivity of the cyli yjswlp799/l;ihw 6qpndrical 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 ha/zvhkbu)p9ew d5zn5,yeyi 6ks )30 xps twice the diameter and twice the length of)zei,h96/x buwp)50 y p3zk 5s ednkvy I. If I has resistance 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, +re9x1es. vm+hvs:d j4ihx h the diameter and half the length of wire X. If wire vsh1+:9+xx4rveid mj,esh .h 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. Th1 kwo icu38fd96rk8me is piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of this material because of this p98i ofdruw e8kkm61c3 rocess?

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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 brighteiut /u6 6thxf+;zd9c ir light bulb. He decides to modify th ;6+iuc/9ufxht 6 itzde filament. How should the 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 s4(sbbkd jouo* p+i-.qame material. The length and radius of each resistor is: jiqd(.b*s u4pokob -+
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,le98cq( +7zk kdwo6 be each of resistance R, are connected to a battery in the following way: “Two resistors are connected inc k+bk9zdeq(7w68eo l 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 y ax.kqn wj)3of 0g//wyfzj .,diagram has internal resistance 10.0 kW an ,o30wf/kzxgja/n j yqwyf)..d the ammeter has internal 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 coy0dj;q v7j4hn mpound circuit shown to the right. The three bulbs 1, 2, and 3 - rhvn 4qd7jy j0;epresented 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. axih/.m r6c5 phi x4kw/nm7 2mIf the current in all three resistors is equal, which of the following statements must b mx5mr/himp.i 4hn 2x /wka6c7e 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 v)j n4 -0nzowurepresents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bulb (or bnu 4vz-)wj on0ulbs)
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 suh:d-9l kx) cx +u96xnyqa* aytatements is NOT true concerning the simple circuit shown where resistors R1, R2 and R3 are have equal resukx dnlcx*ay9yu+6:) 9-aq x histances?


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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 X is b9ug* 8joum4 msrighter than bulb 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 observeouj m9ms 84*gud?


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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 cjp i(o/q 5qwkg75k1bpass through the identified resistor in 5 wok /15q7k5 pc(jqbi g seconds once the 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 the following simple cir*7n3 0 tvyrr5dvmtu+ncuit have the same resistance, which would dissipate the greates 0u+t7ntrv md *vry53nt 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 the syzsqwij5*g(9 *n ou phnf jrl(1 32a26.0 Ω resistor is 1.0 A. What is the powepjn1s2y3o*las f(gqr5j* 9hz2n( iuwr 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 connezw ahh;8*m 7vd05w ptwcted in series to a battery. Suppose R1 mt 07aww*;zhh85 vpdwcarries 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 parallel to a ba *r5t9;elniz 1 vq5xoxttery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is to i5lr1q5 *eznv;9xtxhe 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 rvpc ,dwx+ +69 vqa1sxtated 1200 watts and 120 volts. What is the maximum value of the current utw+pqvas9d xv ,x c16+nder 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 designedyvczp q v x2d 2w7by3btff4.j9:6op8*zw9anp to operate at 120 fc.zt o4pwanz*b 9yw vf xb:8p36y27p9v qj2dvolts?

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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 0dsv et7uc- y536 wattcd0vu-7st ye5s 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 koym2 rx6wy66vk0g ) dmarked "120 volt, 600 watt.” In normal use, the current in it iky6 yo kg60w62vr)dm xs

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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 amsdn3mq0l /6nm.dhhh; 4p +m o circuit containing only three identical 6Ω re+;6 mphnms4/odd.q 0m nh3mlhsistors?

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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 resisp f0 y nk-;w-e9)eh7fuslo5wc tors. Which of the following equivalent resistances CANNOT be produced usifon7-w-0k; ew uh5lepcy fs)9ng 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 tovdqagol-2g j1u3-f )h, +qrsw gether in different configurations. If all three resistors ar3-+sol jfarg 2vqh 1u)d ,gqw-e 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 singlehen8lhx/:cpa)n6 -n :m:eqw h resistor is connected to a battery, a total power P is dissipated in the circuit. How much total power is dissipated in ) -an8q e:/lhnwmxch6p:n:h ea 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 resistors, having resistance R1 and . 0r*k -smtxq-s )cahesa(t l:R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resistances mhsr.k-tx*qsa0 tl cs:e) a-(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 tqy0vu:v6bej5 pu+3em1lhk, m hat it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 kg of water fm v1hul,:+p0j bekevuq3m65yrom $15^{\circ}C$ 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 thxw, gt :v5 i+tbs:xej d/q)rb7rough a 4 ohm resistor that is dissipating 36 watts of pobt7g:sbv r,jx5/ :wi)+d eqx twer?

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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 heated*,smloii :7qqy/xa8 z y85gy r draws 13 amperes of current when connected to 120 volts. If the price of electrici58*8yg oqy m,qsy/ a7:xdzliity 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 contg+ +2 jspfe5 -adgi:(ie ppg f1zw4q 9vetm5e3inuously for3j 5eepdeagvfe fiz4m9:(+pg+itg p 5w 2s1-q 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 lighhty 2;ef-s6w5lzy t4ltbulb results in a power of 24.0 W associated with the bulb. Which one of s6- 5 hzf 4ywyl2etlt;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 oic03+o lib a(if a family of six owns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a siol 3i(a0icb +ingle 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 resistors to form a simple cknu5s2)pw0 egor2 (jmircuit as semuw)( 0 rnpj og25sk2hown 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 resistors to formu 998ez8 uri6fgs dztg/6/lduc. 3plw a simple circuit a ./fu gz z8t89e3 ug6drslp/dlui6cw9s 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 ideal ammeter, a switch and three resisto -jgu,em1dk u:rs are connected as shown. u-ej,:uk g1mdWith 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 thre 5zs02ku, oiqse resistors are connected as shown. With the switch open as shown i5sks2 ,ioqz0u n 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 are con)jady d1:b95g vx0qsp nected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperes. y d5s:a)vq0g 1xdbp9 j
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 equiv;wh +f knzml;2i5 qjnwgd52 (falent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resistance R. i5w nhd( qz2gj25;wknff;m l+


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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  09.07: The equivalentek a4q/t+ wu4d resistance of the circuit shown to the right with resistke waq+/t d44uances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 x+x )9 qwwe vz+ls.jc:identical resistors connected in a combination series and paralle.zs:wqcwxj +)9l+ x evl 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 i0ti5y0j +ryprr;eq .vdentical resistors connected in a combination series and parallel circuit to a voltage source0pr 5+r.tyy0qejrvi ;.
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 ohy: zaroyxm3gu 9 7+j1f the bulbs are identical. Which bulb will be z 7my913gjua+h :yroxthe brightest?


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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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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 afrjt 7; p8k*rvnd three resistors are connected as shown. With the switch open as s8p7k;jfv t*r rhown 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 swim9tls:6 3-gmcl eq.as tch and three resistors are connected ase36as.-s gmmcqllt:9 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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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.23: An ideal battery, an ideal ammxd(ts ( sh:9fueter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampeds(h(:sux t 9fres.
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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