题库网 (tiku.one)

 找回密码
 立即注册

 

      

上传图片附件

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp,上传完成后会在上方生成预览,用鼠标连续双击缩略图,或拖动缩略图,该图片就被绑定至本题,显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片,绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别


习题练习:.Resistor.

 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

标记此题
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 bm)lw9bkpr 8dl80g pkbt 4rp,9::vns resistor connected to the battpbgp lr d0k9,mp88 :n bl4stv w9)rb:kery. 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 the resistor?


参考答案:    

标记此题
2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.06: When any four resistors arei 47+pmtkj8rx connected in parallel, the_________each resistor is4xt krjp87im + the same.

参考答案:    

标记此题
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 ;z7krl kd ev,0kzj)px)ef*1oj) ar xt0 9jg-pcauses the filament to become white hov;rke-dj*opkzl ))jxzk1jtx pf r7e0g ),0a9t, while the larger wires connected to the lightbulb remain much cooler. This happens because

参考答案:    

标记此题
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 w p7+jf2k, nr73sxnf xuith LEDs. LED is the acronym for which one of the following choi7nx 2ks+f7j , 3npuxfrces?

参考答案:    

标记此题
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 flx6/x1e aa hym9s w,c(uc;i *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 cylindrical resish ;aw*i y9 e6 xmcsax/1lcu,f(tor?

参考答案:    

标记此题
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 has twice the dcectwir/:gxlp7 4 6 :kiameter and twice the length of I. If Ici 4e:rc:wl7/ x6kt gp has resistance R, II has resistance

参考答案:    

标记此题
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 hadzbc t le9r4+x*nh1p6 s twice the diameter and half the length of wire X. If wire X has a resl dpe+9tz4hnc *x16bristance of R then wire Y would have a resistance of

参考答案:    

标记此题
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. Th0hz:hzr16cq zp7b *eiis piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the bzpeq *: 1h6 zcz70rihresistance of this material because of this process?

参考答案:    

标记此题
9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.27: A junior Thomasso6; c 3z -s -6q7lpr2zjgehwx Edison wants 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 more light at a2w-3sx e;hj-op6rqcsg6zlz 7 given voltage?


参考答案:    

标记此题
10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  16.07: Three cylindrical r9gil-m;1e0cn mbt:lnesistors are made of the same material. The length and radius of each resistor i;9lncbmtmenl-:g 1i 0 s:
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)?

参考答案:    

标记此题
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 bhu v-/4f(ki o), eoafpattery 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 e4iho),f /(v-opf ka uresistance of this arrangement of four resistors?

参考答案:    

标记此题
12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  95.35: The voltmeter in the accompanying(ojbx 9+ozui c-8(peu circuit diagram has internal resistance 10.0 kWc eb8zo -uu((9xpjo i+ and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter reading is most nearly:


参考答案:    

标记此题
13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.37: Consider the compound circuit shown to8pj.x 3oart e/tg /wr(zj,q v5 the right. The three bulbs 1, 2, and 3 - represented as resistors in the diag3.rwzvtxt/jq(8 r /, 5peoj agram
- 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.


参考答案:    

标记此题
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 the8i*pp:x4o bmnlj-edwp h0/ o ,4al ry- right. If the current in all three resistors is equal, which of the following statements must y,ph/je xlp-d0oona*wr mi -44: blp8be true?


参考答案:    

标记此题
15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.37: The diagram at right0vtb3js: bqv+ represents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bulb (ob0vbj+ vq3t: sr bulbs)
would you expect to be the brightest?


参考答案:    

标记此题
16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.03: Which of the fsj* y824io m f,t qk aqomktmg703g.jme9/m m5ollowing statements is NOT true concerning the simple circuit shown05g9kq.tmk7q 3mi4ga2*to/,eojjm s8y mm mf where resistors R1, R2 and R3 are have equal resistances?


参考答案:    

标记此题
17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.29: Two lightbulbs X a36xa n53(p/zzv.i7t9ow t fyd*l m ,xchl6kti ndY are connected in series to a battery. Bulb X is brighter than bulb Y. Assumtnc/o,.(i9fl mx p6tkz65itxl y3 zhd 7*wav3e 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 observed?


参考答案:    

标记此题
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 resvzhr-v*5 xqs5d9 z *hqt+r6vf istor in 5 seconds once the circuv * r tvx5q+5hqzfrdshv *-z96it was closed?


参考答案:    

标记此题
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 td,u;fwe ;wkhebt +z4 ;he following simple circuit have the same resistance, which would dissipate the ;;bwe fh w ;udk4t+,zegreatest power?


参考答案:    

标记此题
20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.34: In the accompanying circuit diags dgersx)3s l2-r w2v9ram, the current through the 6.0 Ω resistor is 1.0 A. What is the power surv3w2- ss)se ld g29xrpply voltage V?


参考答案:    

标记此题
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 arcf 98j2 qdsvn0e 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 powf2 c8dj 9qs0nver. What is the voltage across R3?

参考答案:    

标记此题
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 jok;;z1n tof9+wdg 6nconnected in parallel to a battery. Suppose R1 has 2otod9f6+n1; nzg ;kwjV across it, R2 = 4Ω, and R3 dissipates 6 W. What is the current in R3?

参考答案:    

标记此题
23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  99.13: A heating coil is rateczpjl6r 5 e4z1d 1200 watts and 120 volts. What is the maximum value of the current under these cl zr5z64j 1ceponditions?

参考答案:    

标记此题
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 operate at 123h bw tf6. djc4ctnuv(a016cx0 vo c(16bdwxv cnf.j t t430h6auclts?

参考答案:    

标记此题
25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.09: How much curren e ybt/5:v2cqtt flows through a 4 ohm resistor that is dissipating 36 watts of power52tqv :c ye/bt?

参考答案:    

标记此题
26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.21: A household iro+-vom+chsm0hva35y q n used to press clothes is marked "120 volt, 600 watt.” In normal 5vm3hyov q h+s -m+ac0use, the current in it is

参考答案:    

标记此题
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 prodjzu 9nex bs tpw.u13:2uced by a circuit con:p u b9t3suzexwnj 2.1taining only three identical 6Ω resistors?

参考答案:    

标记此题
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 foj)cmw3(;t v31srpbl v llowing equivalent resistances CANNOT be produced using all three resistor( vb 3;wvtm)pcr3 1ljss?

参考答案:    

标记此题
29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.06: Three resistors of different valuesw4 h.ui 0ehbfyj8ah/. can be connected together in different configurations. If all three resistors are used in a circuit, how many different valfj.4 huy / hai8b0.wheues of total resistance can be produced?

参考答案:    

标记此题
30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.35: When a single resisto/ tpgbxi3m5nep 2pd./r is connected 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 the ba 2bip d/gmpn35p /xe.tttery is zero.

参考答案:    

标记此题
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 andv95 rdtzfutpgk.;3*1 7qe iw q R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resvd1ituekp. z9q 7 fg3 t5w;rq*istances is correct?

参考答案:    

标记此题
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 r.4i/7vpsqa 8kg :js ytnq1m +vesistance of 12Ω when operating at 120 volts. What issqi n:/vy g1+8m4.vkj tp7asq the minimum amount of time that it would take to warm 0.45 kg of water from $15^{\circ}C$ to$85^{\circ}C$?

参考答案:    

标记此题
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 9g6ll9z m6z 6 m4 fa31owzsdza4 ohm resistor that is dissipating 36 wa1z6 4a lz6m 6 a3zz9gdm9ofslwtts of power?

参考答案:    

标记此题
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 o3qg:* in: ai)t)h cns,4dtuyhf current when connected to 120 volts. If the price of electrtu:cqt, *hniig:yshnd a3 )) 4icity is $0.10/kWh, what would be the approximate cost of running the heater for 8 hours?

参考答案:    

标记此题
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 1eom5p ;z0a ;dp:bmp,o 00W lightbulb lit continuouslypb o moema:ppz5;d; 0, for 1 year at a rate of $0.10/(kW.hr) ?

参考答案:    

标记此题
36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  12.09: A constant current of 4.8 9dvk o:5ip wu7hp)gs00 A through a lightbulb results in a power of 24.0 W assocsvh8 dpwigo 9p)k57:uiated with the bulb. Which one of the following choices best represents the resistance of the lightbulb?

参考答案:    

标记此题
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 sixliqap8wyxdr) 4(d.iwn- u 91s owns a computer rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuit prote l ri18(qw9aw4.id upnxyd-s)cted by a 20 ampere fuse, what is the maximum number of the computers can be operating at the sametime?

参考答案:    

标记此题
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 dy*h0a g6l+bj7 +wlksto form a simple circuit as shown to the rigj7 *l+lay0h+d k6 sbwght.
How would the current through the 2 ohm resistor compare to the current through the 4 ohm resistor?


参考答案:    

标记此题
39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  03.17: A 9-volt battery i9*ga- zqc wj(vs connected to four resistors to form a simple circuit as shown to the ri*z qg(ja wc9-vght.
What would be the potential at point B with respect to point C in the above circuit?


参考答案:    

标记此题
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 resistorsb a9br1r,2.b gif0l21gatsb tfk 8p +k are connecbbtkkrfbis+02ga.1 t ba82g , f1prl9ted 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?


参考答案:    

标记此题
41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery, an ideal ammeterfp.etjm;2r*4w *sj5v tl jsw9o0k j i6, a switch and three resistors are connected as shown. With the switch open as shown in the diagr* mr slf5 ;6wt. i40*jtwjkpjsv9jo2eam the ammeter reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


参考答案:    

标记此题
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,o6-y7e *srs.jv thcrcj,uy87 a switch and three resistors are connected as shown. With the switch open jur.7evoy* c tsr,cjh8s6-7yas 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:    

标记此题
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 resistanotkfaqt4pr *k i594;yce? Assume that all wires are ideal, the battery has no internal resistance, and all three resistors have identicyk5ot4f ik9* t4 qa;pral resistance R.


参考答案:    

标记此题
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 right wc5f t,nerwl/3ith resis,rew cfnt l/35tances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ and $R_3= 2.00Ω$ is


参考答案:    

标记此题
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 re,-tc1n pl r(reyey+j,sistors connected in a combination series and l,y(tcr1y-jp,e +nre parallel circuit to a voltage source.
Through which resistor(s) would there be the greatest current?


参考答案:    

标记此题
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 conncv g58do2 q6mdected in a combination series and parallel circuit to a voltage sd65 cm28vgodq ource.
Which resistor(s) have the greatest rate of energy dissipation?


参考答案:    

标记此题
47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  07.29: In the circuit diagram, alh;u3,lft0y r cl of the bulbs are identical. Which bulb will be the brighr y3t0 uch;l,ftest?


参考答案:    

标记此题
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 resi(z /* fxz w-x-ocwza:kstors are connected as zzxw-z (:fw *c o-xka/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?


参考答案:    

标记此题
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 anpjj 5j1)a3yxa d three resistors are connected as shown. With the yjaj31pxja) 5switch 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?


参考答案:    

标记此题
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 th-dkct )6ao -i*p8, pvcnhb- ,ksb3nblree resistors are connected as shown. With thdpbk)lvp -tn-abch3*s , ki6 on-c,b 8e 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:    

总分:50分 及格:30分 时间:不限时
未答题: 已答题:0 答错题:
当前第 题,此次习题练习共有 50 道题
本平台(https://tiku.one/)支持练习,作业与考试(自动评分)三种模式,群组成绩统计排序导出,题目动态变量实现同卷千人千题
如果您对本系统感兴趣,想加入我们或者想进行任何形式的合作,请加微信 skysky1258

浏览记录|手机版首页|使用帮助|题库网 (https://tiku.one)

GMT+8, 2025-12-2 05:51 , Processed in 0.433089 second(s), 122 queries , Redis On.