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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 me6:vm t2)w1gyvtr 1pmtw wsyhi 7pz2:8 tal resistor 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 throu1 tt)ztm1y8 w2:g2ys6 iw7vwr p hmvp:gh 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 resistjstn90v7 kj fr z:-3maors are connected in parallel, the_________each resistor is tht:r -k9 0s7j afjm3nvze 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 lightbulpow8g0cddz +:jws3 /nb causes the filament to become white hot, while the larger wires connected to the lightbulb remain much cooler. This happens becauseg0nzpc/+8 w 3j w:sodd

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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 skr+ x)y3w(d6 9 zej/axvx; izgvx(4hreplaced with LEDs. LED is the acronym f4) w+s3edkz /j ( g(vhzv6ixa;x9rxyx or which 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 resijq zq ue.:moug 5 6z4y-3a;uglstor has length L and cross-sectional area A. It is to be placed into a circuit, but ;6. yjogqa:gq mz3u-u5 uz4leit 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 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 IIz9,7)66 cbw kwghmvjx are made of the same material. Wire II has twice the diam 6,mwxgvhjwb7 6czk9) eter and twice 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 the same ,r2kylmi mmw 3 yr4o6u spgvg(54)e:wmaterial but has twice the diameter and half the length of wirww,6me mm3(pg42 y gsi4k)uvl r5oy:re X. If wire X has a resistance of R then wire 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 llggo(b:p0w3wxc( j fjf:w- 9 hength L and radius r. This piece of material is then drawn so that it is a cylinder with new le -(hwff :(:0lxgbjcp9j3wogwngth 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 light5hhxor110 gzo bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in ord0 5zhrohxg1o1 er 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 sd0 1 u3 weuf(yfr,pl2bame material. The length and radiu13urfd fe,y2 l(b0pu ws 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 resistance R, are connected to a battsl/t(8qb b6 s/ zpga1xery 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 resistances81x/( gzq 6lb/tbspa 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 has inter2jq2na- 0w cslnal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammets 2nq-cjlw2a0er 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 circuitv.- o3yh+jsfw2d8 cqbid: hgu- exm)) shown to the right. The three bulbs 1, 2, and 3 - representbd : -q-yie o+j)h2 xshw.8cugfdv)3med 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. If the curr r .ynx:z wchx +:gpeq..:dgii6)vbj ;ent in all three resistors) rxp yw.hibx;g.:g:qj e6.dci +:vnz 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 simple electric circuit composed of 5znfm+w,yf) 4 :;oei bl identical light bulbs lifyo)ebf +m4znw;: ,and 2 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 following statements is NOT true concerning8 u 6tgh3t;p8ez*pjn(tm fit* the simple circuit shown where resistors R1, R2 and R3 are have equalgfeiht*p8; u (tjp m3n68*ztt 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 andYuzn2z f 26goy-o9dc 8l are connected in series to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements9 u -2dznzcgyoo2l6f8 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?


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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 couloc v6 i-c48vkq3 tjc0gombs will pass through the identified resistor in 5 seconds once the circu c0ok3vcqj86vcgt i-4it 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 yy/s3l k g1*labj(e0 hsimple circuit have the same resistance,sk/*hy y1galle(jb3 0 which would 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, the current through the 6.0 Ω reson qm:dv6- z1sistor is 1.0 A. What is the power supply voltage V? m1odz-v6qns :


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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 . iw)jwi,4 ujxk ,cil*xdgf10battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and * 4ifdw,xjju)gi .ck,10lxwi R3 dissipates 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 resiuz3 ) y6uzgv:uu8y0*/v ekzoistors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2Vk6)vv*u /ei zygu:u83u0zzyo across 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 ma*zg.3e fevaw *ximum value of the current under these 3az* we .gevf*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 watcwc,d,4mkes+j: c5q:bh ju* st lightbulb designed to operate at 120 volts5*e4 msjc ,dwcbh+k,q :uj: cs?

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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 rxk3 zaei*,s 7nesistor that is dissipating 36 watte3*i7z a xsnk,s of power?

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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 pvawdh yv-n dqm s.2ex3*w+ * ey)ma1j(ress clothes is marked "120 volt, 600 watt.” In normal use, the cwadvj -3( ymee 1y+dha*w *vxms) 2q.nurrent 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 qar2 ic2* w; ztwz;eb7following resistances could NOT be produced by a circuit containing only three identical ci7;*2 bewz wraz; tq26Ω 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 foll6gct:x jglh8* owing equivalent resistances CANNOT be produced using all t l8*ghtc:6 jgxhree 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 connecteer 9+1uqcae) rd together in different configurations. If all three resistors are used in a circuit, how many different values of total resistance can be peer+1r quac)9roduced?

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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 connewy(d so5b-ttixa7 )c8 2j fn7jcted 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 sjoy-i 7cxban2)5 j 7(tfwst8 deries using the same battery? 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, having resist. u-mn4rkub5c pljlhf n:u52 (ance R1 and R2, are connected in parallel, the equivhn -pjlf5 r2uu4m.:u5k nlcb(alent resistance of the combination is 5Ω . 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 thr-lu o/- g/2uif+nqmjat it has a resistance of 12Ω when operating at 120 volts. What is the minilmug /-r-q on fi2/ju+mum 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 flow;lrgd p1:n r+ i/.bjots through a 4 ohm resistor that is dissipating 36 watts of pow+bl:;1n. igo tr p/drjer?

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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 heay1lnwlr82 -q eter draws 13 amperes of current when connected to 120 volts. Iq1nl8ylw- r 2ef 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 mn bmw)pq : -p5k5/thc*/apaf it cost to keep a 100W lightbulb lit continuously for 1 year at a rateq5cnbt m kpa-/*5af)wh/: mpp 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 pxo4yf.c( lo8of 4.00 A through a lightbulb results in a power of 24.0 W associated with.ypocx o4(fl 8 the bulb. Which one of the following 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 comp nyoge2qwml66h tow168* or+muter 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 maxi8e*n16 rmwgh q 2o6owy6o+mltmum 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 to four e6t 5ie,yk8 fc9uaf6z resistors to form a simple circuit as shown to thef6 ,fk 9uatyee8zi5 6c 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 resistolbda f11y wok3qkvf*f +a222mrs to form a simple circuit as shown to th322k ao*2vqff1 akb wd1mfly+e 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 switch and three resistors are qsq vx unjf4t l1sr8.1i7+-wwconnected as shown. With the switch open as sx vr8wtj- 1u wns+fl.iq7q4s1 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 ammegf5z073jz lqtter, a switch and three resistors are connected as shown. With the switch open as shown in tj7 tf3zg0l z5qhe 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 resyx6v dhkxkn ;:tqse y7:1dq,( -zn 1c zna(s6aistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2. yn d,yctd-1(xqs:(q kzne ;hx1 kz7s6a6nv:a0 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,4,c.v o paodebti 5xx3/um3 ;y what is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, av/e t.yxpbic3aumxod3,5 4o; nd 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 the circuit shc* 9q/-zjy uqznaa5m5own to the right with resistuz95qazy*/ 5jcn- m qaances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 shog y o9rkh.(m(-lbxft gba-p;0ws five identical resistors connected in a combination series and parallel.x0-(prm;g-oy hbg9kalb f t ( 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 fiu .bs (h56byljve identical resistors connected in a combination series and parallel circuit to a voltage source. .jlb6husy(5 b
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 /n oohye 0t 22jq)0nrf,/x gjg1 c,vaq the bulbs are identical. Which bulb will be the brightest?n gq)jn2 2ao,,hfcv0otjqgy0/ 1 /erx


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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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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.21: An ideal battery, an ideal 0 grz-sk0jcd5jwsuu6j xz5+7 ammeter, a switch and three resistors are connected as shown. With sjk 5 dwzj6u5-00g u7cxj+rzsthe 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 a8c+ dgq g5gv:xmmeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter read8 gg:+vgqc5x ds 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 battasu2px al35 j6ery, an ideal ammeter, a switch and three resistors are connected as shown. With the switch opeapxsla26j3 u 5n 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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    总分:50分 及格:30分 时间:不限时
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