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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 reb01;h8e 3 r+tpz2fbqi 5x*n.n dqmafhsistor connected 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 .te ah* ;rbf2 q 8b3hz1pq5+0dnnx mifof 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, twr(xmee2xbl2 p(4; zqhe_________each resistor is th;m w (e2zpl (r24xbqxee 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 lighw yv+s sbxw:3,tbulb causes the filament to become white hot, while the larger wires connected t,sv wbwy:3+xso 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 replaced with LEDs. Lyy6tw:lwg; p/ED is the acronym for which one of the following choices?: ;w 6ytywp/gl

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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-se q oa)loc/klqd2qi 7 10i/pqe)ctional 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 rati10 okciq 7lae2 /p)/q)qoqid lo 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 wi5 uye1f ji0)z)+ qxbeere II are made of the same material. Wire II has twice the diameter and twice the length of I. If I y0 1xuqjib )5)e +fezehas 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 thedi3nf jn-rlb+3q4 f2)3 w vksr9h ta/z same 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 havk 4n3-nrqd3jr+9l)3svhf /a t f2w ibze 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 piece of materb ugqe6k6dwt.f h,t1gfq:,o4ial is then drawn so that it is,.df tkbo g:66eq4 h,g1tuqwf 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 Edison wab rd .dvl:mhl kc43;1uvu+u+hnts 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 mocuuv +dl m3h:uhdr.b4l; +1kvre 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 mavqkb xx+c+y/cd6w: zr i/zx/bu/( 6hpterial. The length andx(d+yc qrb6/z w/x 6pkxi+b:z h /uv/c 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 resistors, each of resistz qmz /) 76oedy,mb6p8vws.a4; og mvsance 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 resq6pa bm,/.zz 7smyvsv)o6d e mw48g;oistance 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 accompquohxor((. n/wph 45panying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. Theoohp5r hn(4.q (w/xup 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 a6ii9u pz .r* qh:y9hgbulbs 1, 2, and 3 -y pa*hig.9i:96 urqh z represented 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. Ifk d*+ t 1gf/8azztojc1v 1jd+v the current in all three resistors is equal, which of the+ ackd111ojfzzj g+dt8 /*tv v 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 repres(39jwnh ug(p3ph0m;up ygu s +ents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Whih 3(u (w9hy unugpsgj0;p 3p+mch 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 sta7g(52qzq d7hiw qr(d atements is NOT true concerning the simple circuit shown where resistors R1, R2 aq 7g75 i2w(qqhrazdd( nd 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 are2s)ljgov1j o 3 connected in series 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 represents what is observe)og j1vj23 slod?


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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 coulom0k;)a(y -xegz:rqmii bs will pass through the identified resistor in 5 seconds once th 0xzmia-(i q :k)ey;gre 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 ivk; z ,sbltv -,nub-e,n the following simple circuit have the same resistance, which would dissipate tht b, vvk ;,u,ens--zble 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 diagrambx- m3ke ho7)t, the current through the 6.0 Ω resistor is 1.0 A. 3m7 xho)e-kbtWhat 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 serli2vg / 2manfhl+,hq*ies to a battery. Suppose 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 vol*ln 22gfq h /mivh+a,ltage 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 differe*epfz y9- u:ecnt resistors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 disc ye *fep:-9uzsipates 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. Wsw g r99e ;mny6p09/lkxa t.aehat is the maximum value of the current under these cors.t g y6weeamlax 0k;/99p9 nnditions?

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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 to ok7sd , gz*ji*fperate at 120 volts7ij z** d,kfgs?

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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 resist8l24umh; st pyor that is dissipating 36 watts of poweht2; us mlp48yr?

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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 "120vxex (+ry v1;p volt, 600 watt.” In normal use, the current in it ev; (xpvxy1+ris

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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 follo0se/ 7 slpayygq9)*qdne;t 3 xwing resistances could NOT be produced by a circuit containing only three identical 6Ω resistoxy7 yglqqs etd90npea3* ;s)/rs?

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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 follolnifm; d:h2k.o9 b1lq wing equivalent resistances CANNOT be produced using all tdmb 2;1l :oh9fkn. liqhree 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 v-yr. zz47;p kuuuv y.sb9dlx 8alues can be connected together in different configurations. If all three resistors are used in a circuit, how many different values of total resi up87kxy4us;b.u zd l.9yrvz-stance 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 power, tr,dupvd5pxv+b 4t ; 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?x4u;v rp5pv,t tdd+,b 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, havin;4j 9,o jyvsp9k)sfsy 3 qc:jfg resistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ωpf yj4s9o v ,3 f9jscqkj)y:s; . Which of the following statements 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 resistance of 12Ω when opzqpv8cbtn*/rfq 3aa) 9bk: n+erating at 120 volts.fk:z3rc9v bt abaq )+/p8nq* n What 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 floq( nj8/ueqipv 9fay;lw9 m75 rws through a 4 ohm resistor that is dissipating 36 watts of powerp eq5q (juin97fv/8wyr a9 l;m?

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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 of3 meloi . u6lpx:v:kar v/k1a8 current when connected to 120 volts. If the price o x:8 lorv.k1:evaialp/u m k36f 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 vpi8xnbi:a./mt7 8m wtr*c2 bcost to keep a 100W lightbulb lit continuously f8*:pmbva7im tn cixbtw/8.r2 or 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 ov 9m2)umndxk /98liy results in a power of 24.0 W associated with the bulb. Which one of the following choices besm ol vu99n8ym)kxd2/it 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 s*h oeok6+j8hg: dh q2iix owns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuit protected by a 20 ampere fuse, what is the maximum number ofoo2 eh6+ikq8 :jd hh*g 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 resist+ wn06z*c3zw glvuw l8 bkd5dfcv 1e+/ors to form a simple circuit as shown to thbf01k*n zvdce5+ + 8w3uld wcwzv/ g6le 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 resist q+g wio7 wd 5dg0sx/vt3u7fo/ors to form a simple circuit as shown to the rightg75wxw7t3sf d/ug/ o 0 o+qvid.
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 batteryvsm :.6q 5hm3j 8dpj7 uifbd.h, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reafs :pqm6 jdm iv73hhu5 .j8d.bds 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 tuei9vj34 kb/j15y jgare connected as shown. With the switch open as shoijbt/1 j5gvk4yje 3u 9wn 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, ai1oeq6cyp4hb8 q6mi 0n ideal ammeter, a switch and three resistors are connected as s hi1 qo4e 06cpq8bymi6hown. 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 m.sq00wbfyz,20fpzwlf *(-n (b fwlx shown to the right, what is the equivalent resistance? Assume that all wires are ideal, the nzwwx 20 ,. b(f(qfw msz*fby-l0fpl0 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 ths*qx,gnc3rct5ch 7 qtnw9l2/ b b/ f:ke circuit shown to the right with resistances 9,gq fwx32rb5n/cct *l k tq/:b7nsch$R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 id9xpgqyr d()49jtdw + nentical resistors connected in a combination series an j9(4dygnw )drx q+9ptd parallel 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 se9b6 1z1erwkv hows five identical resistors connected in a combination series and parwr v1196kz ebeallel circuit 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 j .tke(nz-0j8q on+mw of the bulbs are identical. Which bulb will jne-qnw 0k.+ 8mtjoz(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, an ideal ammeter, a switch and three resistomamt ,lm27-x n t1lm5prs are connected as shown. With the switch open as shown in the diagram the ammeter 2-mmmtpxltl1m a7 ,n 5reads 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/47k 0 e yff op-izcngugc*-:u and three resistors are connected as shown. With the switch open as shown in tgeu p :7ffo0zyci--c *4/gknuhe 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 ammeter, a switch and th0r/km6u 0 zwjfree resistors are connected as shown. Wik/0wr6fjuzm 0th 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:    
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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