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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 resb9 (uj7ndt9-5wxdi ayistor connected to the battery. Which one of the following choices best describes the direction of electron flow through the resistor aixa-bd j n5 yt7wd99(und 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_______d4w :8lj p gh lq:7ffx5ee/j,f__each resistor: ,xej:lqdfj8f/whe 47l pfg5 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 fil;a 5ai(j6 sxq ibjgp;,ament wire of a lightbulb causes the filament to become white hot, while the larger wires connected to psb(jx5 q,ij gai;;6athe 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 rycei0/ l2x hnk 0i.ao,eplaced with LEDs. LED is the acronym for which one of the folloh 00ii2 lxk/o,ec. aynwing 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 o7t: oz/r/r v2*kt kbgu,shqoz;r)*bsrjv/. 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 resisti2vo kbjz)r*usts:/h7, v/ rtozrqok.b/;gr* vity 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 wire II are made of the same mp .qmnjtdvg-81jk ni .27qu/ paterial. Wire II has twice the diameter and t- u 87dk qpm.jnjpin gq/v2.1twice the length of 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 thc.5t4eus3tecr zw* nc(vk1 (phc 8bx*e same material but has twice the diameter and half the length of wire X. If wire X has a resistance of R then wi xur1c* ( t3b.(zsp hv5ec wtcnkc*4e8re 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. This piece of mx12 qaqt4xfn3 aterial is then drawn so that it is a cylqfxx32a4tq n1inder 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 wants to make a brighter liyq6kdv,xtg-6 wjs0r 0 ght bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in ordertd-xswvq6r ky6 ,0j0g 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 madez/pl3gei 48 sb kurm07 of the same material. The length and radius of ea 3mpes 7zl0i4/b u8rkgch 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, are connected to a bu16+bup:ndgmdok3ab -hb2; e 1zut5m h-n5 h tattery in the following way: “Two resistors are connected in series. This combinatio ua1-5u;mg 5h ehkn+ zd3b1h:o n t2um-tb6bpdn 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 1 beommg* rrmcg,yt 5x2u. 993cg,vd gdiagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammet *1g cg,,gxr mv32cgyoe9u9 5.mtdbmrer 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 compound5cc:dp8s0 sv c;pjin1 circuit shown to the right. The three bulbs 1, 2, and 3 - represented as resisn 8vdc5pc ;1:csps0j itors 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 c2c.dkpl p) i3*c/0diu 1ysf jthe right. If the current in all three resissp j dyu*3c)/2ic d.l fcki01ptors is equal, which 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 simpzvc-o;q t*pk*a(sr* wle electric circuit composed of 5 identical light bulbs and 2 flash to* wrkz*q*-sav;(cplight 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 followp jwttwel9lm-9r45t ( ing statements is NOT true concerning the simple circuit showwp( l94rett m-jwt59ln 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 X 0k6m sdm8h n-mf6a h7randY are 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 ps6f- hra70d6m8hkn mmarallel 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 b e s6fgj*7ab. pass through the identified resistor in 5 seconds once the circuit sbbj.6* 7fgea 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 9 z6p.pq8sp cp simple circuit have the same resistance, which wzcp.qp96 p8spould 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 circuit diagram, th3m.da*0 f 6/cdf jhsoee current through the 6.0 Ω resistor is 1.0 A. What is the power suaoj*e 6/m.0fch d s3dfpply 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 e8m,0betkl a;z5m 3rtdiub r40m.w/ w R3 are connected in series 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 voltage across Rtwe 3,r 84w/bmmb 00u5. amrk ezdlit;3?

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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 resist i2 i0;nxre+etors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V acronr 2+i0e;ixt ess 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 thot0zkfkt lm*32/patj 94qj x9 e maximum value of the curren*jkl2/mzf jp9t9ak xtot34q0t 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 watt lightbulb designedid:wzz660dc84x uiyob lwep,* q: kq* to operate at 120 ko: dqy:6b8 6dq,wziw4l**ei zpcu0xvolts?

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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 tjmtooa):+c w0zc p8j,c v 0 kh8hi3yt.o n10jzhrough a 4 ohm resistor that is dissipating 36 watts of powerkj8 ovi.p8tj0 0at3cymh,0hc:)c +nwzoz1o j ?

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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 clotqmqu:4 +bm/. jkt.kgrhes is marked "120 volt, 600 watt.” In normal use, the cu:4 ./km. brj+gmukqtqrrent 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 NOTds25 q1npqe gr774i v addm8c4 be produced by a circuit containing pi 4ra5nedcd7 mqg7vs1 84d 2qonly 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.p- kqdn 91uexajujz : j.lt**, Which of the following equivalent resistances CANNOT be produced using all three resk: xj1juj d.uta*zepl-9,q *nistors?

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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 connecm63mp: /bfbpf ted together in different configurations. If all three resistors are used in a circuit, how mmp/bfpf6m: 3b any 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 connected to a battery, a tot+whoq :g b72vual 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? Assumw2 u+vgb:7hqoe 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, ha d7koay;ah6 9wving resistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following staao6 ;a wd97hkytements 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 4c zv. +1okie)/l+ f/davdpjy 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 f+i/za4 lkdoy evpf)j +c.v1/drom $15^{\circ}C$ 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 throudvm+*hi qlr2t k24 8pbgh a 4 ohm resistor that is dissipating 36 watr d q28 kpht+b4iv2*mlts 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 ampereql j k/n.vp)jm80 b1xhs of current when connected to 120 volts. If the priceb /0jnjlqhp)v8x.km1 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 muc( 1, hd93ube9gisgf va ;pc.vjh would it cost to keep a 100W lightbulb lit continuouslyh3 bpsf9j1,vg ve( d;.ua i9cg for 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 th/hz f6-l sqqkpc5as 97rough a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resistance of 9q/ksp h7zac-65q f lsthe 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 *g8y 6n;gzusfsg/n ck bkx;e 5a1le90 six owns a computer rated at 500 watts in a 120 V circuit. If all computers are plugkngsc/0xugafg 9*6 ; 5ly;kbzes1en8 ged 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 e it4lr0 rz rk3r0d0 9j5)vrblis connected to four resistors to form a simple circuit as shown to tdr)tkri lr4v3r 0lzr50e90j b he 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 formv9r;i) )it h sflz)8uc a simple circuit as showh)) lcu fr zsitv)9;i8n 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 switcmpj0cbo* 5 ry*p6dvr9h and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperes. *b cjov69dmy50rrp *p
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 i lsinn2m4uf41 deal ammeter, a switch and three resistors are connected as shown. With the switch open as s 1l24snu4n fmihown 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, an ideal ammeter, a switch and three resyv esu861aw2any1 )nv istors are connected as shown. With the switch open as shown in the diagram the ammv826) 1 yns a1nyweuvaeter 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 resistanch;qc /zgq a8 r+6ajr)gv12bnqe? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identical resistance Rv z gq c+)aq6qjn8ahrr21gb;/ .


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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 ogn -1r8s x+*yhxd+a kof the circuit shown to the right with resg8-y+r dxkox+h*s1 naistances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 shd h3,ce zn.p5:lq5appows five identical resistors connected in a combination series and parallel circuit to a voltage source 35a5hc.pqp: epzd,ln.
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 s29i 7jrssc 6ggm8ro)lhows five identical resistors connected in a combination series andrr82soj)9 lms cg7i6 g parallel 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 diai*7:gkauf 1w ktrh4o7gram, all of the bulbs are identical. Which bulb wilkkh:*7 rt7iw1uf4 ag ol 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.1 ,rjcpii3cb atbix8(2l4pu7wm v/ )dv.c ds ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 vs vrd7mi1b p .xli8(d )t3cwpi24/ bj.a,u ccamperes.
With the switch open, what would be the potential difference across the 15 ohm resistor?


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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，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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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal ammeteefn lgr-4b( ,g. ,ckyfr, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammegblr f.4g,( ycef,-nk ter reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


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本习题练习题目来源于无忧得胜-网上国际课程 (https://5edu.win)，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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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 three resi7oms5m wl4rvch85zs+ stors are connected as shown. With the s 7z5mlr48msc5+ swvohwitch 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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