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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 exiw1bot/0dtrxd3(j9eh dh 3*ci.+ zqbz sts in the metal resistor connected to the battery. Which one of the following choices best describes the direction of electron fl i+0zh ob3ctrdz1e(hdtx * b/d j.9qw3ow 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 connecd 4zlr1hfqe4 r*+c. roted in parallel, the_________each resistor4hc .e +1zr*r dlf4oqr 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 wire of a lightbulb causes the filamtkx(5vnu z4;fj1xzd 6ent to become white hot, while the larger wires connected to the lightbulb remain much cooler. This happens tn6vkj z(1ud x;f 4x5zbecause

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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 *wa7zys 6kw dnskd)wm55rc 4rhxu5ui (s5b 15 replaced with LEDs. LED is the acronym for whicha sdw6zn iw)us7(5k srr55wx5 uy*db khc1m 54 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 graphite resistor has length L anq2/rz8 dzft6 bd 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 cylindrical r tqzd26/f b8zresistor?

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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 matr 55zvhpj :.aherial. Wire II has twice the diameter and twice the length of I. If I has rh japz vh:.55resistance 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 samejf1pa xi y)uqo8mdpy(: e* 3f1 material but has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y would have a resa3yyj1e x p:1q(i) o muff8dp*istance 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 anooyv3060dlv) pv xsz6i)r2bjd radius r. This piece of material is then drawn so that it is a cylinder with nei )z s0j2 0vv)olrd 6ov3bx6pyw 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 Edison wants to make a brighter light bulb. He doi zw51 d+8d,,bo5fh.57bn kkwr tptjecides to modify the filament. How should the filament of a lightbulb be modif hd.,p 8rtowd n 5bt5i1o +zwfk,bj57kied 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 mj4z va8,+yuq2 k1(f)3txd kuuduef ,gade of the same material. The length and radius of each resistor isdfx 2e,tuku4 83yuav(),udgqz1+fj k :
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 resistanc5e5i78om)x g k djedtazw5xx6jf n+j vs;8p/6e 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 three resistors is connected in series to a fourth resistor.” What is the equivalent resistance of this arrangement of four resistors5xpgt e+m jx k7; sjx8 56i/8doj6)nwzaedv5f?

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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 g o9l-qo3opq ,diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltq ,opq9-ool3gmeter 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 cyhp * pt0pg 4elj)m(l+ircuit shown to the right. The three bulbs 1, 2, and 3 - )p+ 0jy gl4 emhl*(ptprepresented 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 l7i zlxsq(*3-dkmo3o c j 5r3f/c9xwbthe right. If the current in all three resistors is equal, which of the following statement 3/dcqb o-xkol icwzr5ms739xf(j*l3s 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; buz pq7hca863e:; c6h2jbg)die n kq simple electric circuit composed of 5 identical light bulbs and 8)7bhhijg k62zdq c ; e:3bn;qac6uep2 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 follfgflz yg;r6q z-ge-.s xgf h b5 9.v4:+:raxuyowing statements is NOT true concerning the simple circuit shown where resistors R1, R2 and +:fa9r6hgzy.rg gbyu-x-v5.fseqlx4 fg :z;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 serie4g/;ij,bfy yg (, vuki 2x*dkum/bgv 9s to a battery. Bulb X 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 battery, which one of the following choices best represent*/u,ixjgbd 49u (vfyv2 mg i,k /kyg;bs 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 through the identified resisns0qe3 qr-3dlp7v9 (e+yctcg tor in 5 seconds once the circuit was closed?9c re3-3cqq +(sy0v7 tgdlpen


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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 fbb3jg x qs8uyc79;ud(;vt: utollowing simple circuit have the same resistance, which would d 8(djv ux qbbs7;g9tu ct:3uy;issipate 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 the 6.0 Ω 1vozg5 bg6uu9xmibm: 2ccx, ; resistor is 1.0 c1,:; uom6cuz v 2i9bb mg5xxgA. What is the 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 l9sdaif3 jr d44 bm0/yu3pk8 yobm7f:to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 di r4i jk:b8 yf 3/30lfmu9ym4pbod ad7sssipates 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 fd1 af o5dxs,1z tvmz09c)m0n andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 0 zm0vx5t9fd1 zn m )f1,scaodW. 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 1g ) qxtj7y4k:v200 watts and 120 volts. What is the maximum value of the current un vygk7)j:x4 qtder 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 resista o,-l7 6cemmck 38k6z,ssojoxnce of a 60 watt lightbulb designed to operate at 120 vo6k,-xk oomlc8 7s,cmes 3jz 6olts?

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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 hnl.jrqzku i f+-zl v6lg 5078ohm resistor that is dissipating 36 watts of powe5rjq-gil .n7 fzlu z+0lvk h86r?

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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 "di8.fir1v 3bo 4 px2:lr1u7g *tbovan120 volt, 600 watt.” In normal use, the oru738t1fp .b2ri 41gboivn:*vld xacurrent 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 produced by a circuit hb *7mprb8e i t79rb*3c1gz ggcontaining only three identical 6Ω resistorsphi8gbt m* ebrb g7r 3*9gzc71?

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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 zvj6u zhmgg atu6rwq,38*; :fcv*v k; Ω resistors. Which of the following equivalent resistances CANNOT be produced using hc6gv6ugru q;tfvz k,a3:vm8 z w*j;*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 together in t o(7uxfk gz+r t/1 l;n;4fuvw1l my1hdifferent configurat1t1 /gtz1 umh(;4+ uvwknfl;o7 yflrxions. If all three resistors 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 connxr1ulk1 5ujqh n+3zq /gen4m3 ected to a battery, a total power 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? Assume the internal resistance of t+he4g/ q3n 5zl1ujq3m nu x1rkhe 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 resistanc5lyp 9qstkusp4,6:0 xtn4x6uw a9fgp e R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resistances i :6l4uxnx 96q,4ptwgytfsa5k0spu 9 ps 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 resistanc ku0q(j m2zi,ho z a1fz1j)3upe of 12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 kg ofjz0)z31q m,oi1u(fahkp ju2z 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 flodmsfrq *dp,j3l-4 it4 n e9f8hws through a 4 ohm resistor that is dissipating 36 watt3dji9 lf*qm,h4ef4r pt8-dsn s 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 heater draws 13 amperes of current when connected*sy1h(xy* iqo apbkkrm9 +l 3, to 120 volts. If th 1ymla(*kyqr3i xo kp, h+sb*9e 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 100W lightbulb lit g*1ckk2;vg all o,td4continuously for 1 year at a k;gll g1vc4t ad2o*,krate 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 throt2h;8 hwt7 gtiugh a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the followin;wgtt28t hh7ig 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 family of six owns a computer rated at 500 watts in a 1a 99sau57b/ bprtu0bq20 V 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 9tu rb7pa095s/buabq 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 ;b,ow8i io( giw9ni* f8wp;edfour resistors to form a simple circuit as shown tobii9 if8idowge( ;,n8*p w;w o 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 form a simpleh(n,7dkrlgf,r d )o-p circuit as showndho rr 7,ldp-gn)(kf, 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 sv9h oh e8gqn t/eowv4o/1 u)c+witch and three resistors are connected as shown. With the switch open as s/ own u/ 8c egohtqh14v9ov+e)hown 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, p,w.b ,vzb 7+0thfigupoug,s lvv d3 j7 g05r2a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter read sj5, v ,vbltrv fh3pob02iu ,wg0z udgg+77.ps 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 conn5-rve -q l(lqpected as shown. With the switch open as shown ine - lv(pq-5lqr 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 shownlxf/9 jf-mer3 to the right, what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resi/e 3lff9xm r-jstors 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 riguz7 qih*hct:m /ykt,h-un o22ht with resistanceht2zquh,-my:hc2 k7i *t/nuos $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 resistorwk,wc 5b9/sh rs connected in a combination series and parallel circuit to a voltage source. wk 5h/swr9b,c
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 1a i+aaz4tq4j4 .fzw- r0jffwconnected in a combination series and parallel circuit to a voltage sorf+qzwj1zt 4-4afajfi0 w .4 aurce.
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, avh1 (1/e keu/sdgp7iu ll of the bulbs are identical. Which bulb will be the brhgks ve71 /1ue /d(puiightest?


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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 and three rpv 5+1okpidz3l5 (zst esistors are connez5(i513tlk o+zs p pvdcted 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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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, ac rud9 7) p,a3ohkk+ja switch and three resistors are connected as spca+k u7 j r9,haod)k3hown. 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, okl*ej d3)-6 f n3utpq8r o3wt: uue)ban ideal ammeter, a switch and three resistors are connected artl3pu 3bqw - o)8edo)3:t6je*un ukfs shown. 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?


参考答案:    
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