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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 resis0 hw (m9.(wdv jkqij4otor connected to the battery. Which one of the following choices best describes.h jjw oim0wdvk9(4(q 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 resisto (4 xjdsru(aj (b4 gykwo.+ooz: gi.c-rs are connected in parallel, the_________each resistor i4s: -(cbuaxk (g joiw(.g+y4jzdoo.r s 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 wire of a lightbulb causes the fidrcy uj,5 y.if.q2yv /s8k,celament to become white hot, while the larger wires connected /y d2e..ycrkvyji58, s fcu,qto 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 sf p h*j7 sqlq4i;zh;+tc.5g8rfb5ln lights are being replaced with LEDs. LED is the acronym for which one of the fol8h b ;czq7fllpsqf5sj*gi+5r4 . n;htlowing 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 length L and cross ws0; rny97vqre5.k)ulcj 9ma-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 resist .ys ;ca)rqw9e 09nmu5kvr j7livity 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. W wv/frss xiyshptx)j7 8l9se5v.98v9 ire II has twice the diameter and twice the length of I. If I has resistancvix py) j5s.sxv9whefr8tv8 79/ls9s e 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 thba.pi7 7a/ esxe diameter and half the length of wire X. If wire X has a resistance of R then wias/.i7x 7 pbaere 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 re/2/ lpf2hzg kbsistor has length L and radius r. This piece of material is2 hlp g//zfkb2 then drawn so that it is a 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 Thomas Edisonbd6 h19p ful(y wants to make a brighter light bulb. He decides to modify the filament. How should the filament of a lighth9pld uy16f( bbulb 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 same/g+2- o3q gddri/ tnk:2m blj9uhzz. o material. The length and3.jtb92z:n/2h -gkz/ru mi l do+gdoq radius 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 resistor vw9vk9vvxt6y s.i4btno)s7, s, each of resistance R, are connected to a battery in the following way: “Two resistors are connected in series. This combinatiosv9wb v97itv.yt v ,sn)6 k4xon 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 diagram riob alh yd) 5/s/ rzlk4r05-qhas internal resistance 10.0 kW and the adr45lso /ri-a 5)0qz/hkrbyl mmeter 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 compound.:0thoc9mzddck.. k:u:hfckbn c;w : circuit shown to the right. The three bulbs 1, 2, and 3 - represented as resistors in the diagram u.:::dm.co9w 0zc; f h:kbkdnhkc.tc
- 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. 32vqt:, o lwjjIf the current in all three resistors is equal, whijwq,vt 2:l3 ojch 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 simple electric circuizm anf1 ./.nzft composed of 5 identical light bulbs and 2 flashlight cnazn./ffz1 m. ells. 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 ishf abrqfw.icu+mwahuu8/ q1 i+ /u*6ub60 (bz NOT true concerning the simple circuit shown where.cq b b0i mhi8z wfb*uhu+u1a 6ur//w+af6 qu( 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 conneczvum:93gig dib7ig v u-4 rq4+ted in series to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY irz-g u3igd7ui44gm+bq :v9v 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 thro9 cip )1gjvz*qugh the identified resistor in 5 *pjzvg9) 1ciq 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 follow, 8gnp6 t u5 f0)ft16zvfojgsting simple circuit have the same resistance, which would dissipate t n1t65 t ,gjvtfgzu860)fo pfshe 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 the 6.0 Ω 7oo, o,(lezpi9pi y3y resistor is 1.0 A. What is thip i,yzpo,ool 9(ey73 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 connected in series to a battery. f *f:r;+xboixj xns k0z.2d9 kSuppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dis* s;z0ki : xn9o. jr2bxdx+fkfsipates 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 pxld9 knp8 :fr)im4p1to a battery. Suppose R1 has 2V across4x:r) ldinp f9p1mk 8p 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 is the i9p z9ljs .2fyld kjtx5d+ an 0z7od70maximum value of the current under these conditio+lj9ly00 dos7 x j5a .zz7fdd29t ikpnns?

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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 designg+v,mdm*ts2/a e- jef ed to operate at 120 voltmsfa2jeme-d,+t v/ *g s?

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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 flow31nezxf g*rz3f 0jlyx6 x 9kfbc,t7b; s through a 4 ohm resistor that is dissipating 36 watts of pow3cxfrkz 9t,3fy;fz7en b6x g0 xlj1*ber?

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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 cloth n69vawu;;v j.omz xu5es is marked "120 volt, 600 watt.” In normal use, the current in itzjx. 56av;m9u; uwvon 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 a cirxis(z )7e (dqfw8h wah v)gm))cuit containinggdh)wfxsvi a)7m ((8)qe z hw) only 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 following equivalenn,l ryc l+j97tdz2k k:nc8kkc ev4 )v.t resistances CANNOT be produced using 87.cc,2 v ykkzld+ntvk nj )9l4ek r:call 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 together in dif7vj/g nf/qwf6knd8*t jl 4*fzferent configurations. If all three resistors are used in a circuit, how many different values of to4v6n ftf *k*q//n jf 7ljdwgz8tal 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 poweraun xu + zt/;;1dck5 l7vlmjz( 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? Amula/5(dz;kxujv1nz c ; 7l t+ssume 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 kslbn *r 0a,r:s( cj.x7fo6mw R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following stateme,l* :m.os brw0( naf7sk rjxc6nts 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 that it has a l;tlq+rd zn+( ,eai)bl 6;kpsresistance 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 from )6, d seql;;albnrt piz+l+( k$15^{\circ}C$ 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 dissipat n7kkq. ,s x,r,j. x2f0yxyihming 36 wa.2, mr jqx.s0ik7,x ,fxyhkyn tts 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 heaterv;efh:x q4b7pott y j*h0(rg4 draws 13 amperes of current when connected to 120 volts. If *44:rh;jv0 eftty (xghbp 7qo 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 it cost to keep a ig3;o 4v-sxvh 100W lightbulb lit continuously for 1 year aos;v4ghxi -v3t 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 light18zpeo t68 jewbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resistance oej8o 68pt wz1ef 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 computer rated at 500 watts 4wuj2 y ssx 96rpn/3ejin a 120 V circuit.su/4psj rwexyj6 n932 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 tov44ekbjr lr2fct( ,6o four resistors to form a simple circuit as shown to the ri4 4fo6lc 2rjtrk v,e(bght.
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 . ckzeo16wle, form a simple circuit as shown to the right.oec,1kzw.6l e
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 batterj(vg 5/ykqyy - 2 o7j:vmu(riay, an ideal ammeter, a switch and three resistors are connected as shown. With the switch op vyj/ji2y:-ygqv((a7ur 5k omen 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 repy gb3 sw4d.,isistors are connected as shown. With the switch open as shown in the 4 wpbyi,sd.3gdiagram 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 batteqp/coyl xp*-*sts.*a taus-- ry, an ideal ammeter, a switch and three resistors are connected as shown.ts -- as*la*c-q upp.*osy/x t With the switch open as shown in 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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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 equivalent resig( ;htahv1vc a * ve;c,kcof))w kw(j4stance? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identikf*vg v)w(wo)4a; a(e;hth1vckccj , cal 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 s4 jujkp e*x h4n8vu4/ihown to the right with resiujk 4u* i4x8nvep /jh4stances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 resq ,gqhrp3 8 pato.tz.xm3h3.histors connected in a combination series and par. . qmhh8xgph. a 3otzq3,p3trallel 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 connc* w ,tfipg;/q2xcb)mected in a combination series and parallel circuit biqwc*cmtf ;2,px)g/ 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 bulb28 2pi *pghk, e:sjztis are identical. Which bulb will b2thp*z spi8j,k i:2gee 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, anlmj6zf7mv, 0qih+k v; ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shqm jiv76zv;, +f 0hlkmown 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 switch a *htvff8 z452i:akmw, cxk:kmnd three resistors are connected as shown. With txz:k*4 : 8k m2wa,fit5ch vmfkhe 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 amm7mtb7j g5:k3 gybe3xreter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampereg 7e3x5y3: rk mtgbj7bs.
When the switch is closed, what would be the current in the circuit?


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
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