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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, a 6+slqzh)/2pj 8faqran electric current exists in the metal 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 throughah j8)fr ps2qz+a/l6q 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, l urbhnc jo688 9g;1cb*9sdgethe_________each resistor is th 8cgj9 u enhsrb8go1d* 9b6;cle 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 filamenji 8s/,wp aw 3jp0gsw92o9 cict wire of a lightbulb causes the filament to become white hot, while the larger wires connected opwja0i g/9pj ,9c32scisw 8 wto 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 householdtgc*oym:l7q,p *w5c x 6owy)t lights are being replaced with LEDs. LED is the acronymtygc t*5o c6wywmo 7qx)*l :p, for 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 resist9 + hkoi) ,ejyta7jkl4ugxjnj /4.mm(or has 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 resistivity to the old resistivity of the cylindricalh kj/yk,imja m9lgue4(4) 7+.tojx nj 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 material. Wire II has twice thq(fkt5k.kcp3 e diameter and twice the length of I. Ifkct5p kqk(f3. 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 material bh)j a/v/ihwdcy;3y4 e-)1ogvhkm t5k ut has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y 1)vm wy;ce4-)ov i /kh3jka/ tyhdh g5would 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 lengk9o0kdg8b +* .ndu j4cl6 rzwg; ehe,zth L and radius r. This piece of material is then drawn so that it is edzh +; 8z ,.4lj0*6gbgkdrcn9kouwea 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 wants to make a brighter light bulb. He decides 2yhe 45v lg*/1l+kp/vualu rqf ,sj/hon7i*s to mo*lsvv7h jehn, u 5s/pgoa u1r /f2i klq/+4*yldify the filament. How should the filament of a lightbulb be modified 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 ;zj +rai fwq (n6x z404mbsc3nresistors are made of the same material. The length and ra3; c6nabfxs m(+w4nq iz0j4 zrdius 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 av expwh43/ 6ap battery in the following way: “Two resistors are connected in series. This combination of two resistors is connected in parallel to a third resistoxa46p pwv /eh3r. 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 iwgv 79r,ib0s .wwzg9u n the accompanying circuit diagram has internal resistance 10.0 kW and the ammeters7,gw9.wu i9zb vg0 rw has internal resistance 25.0 ohm. The ammeter 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 circuit showtaz75l,p*h84 /uyajdl0t ox z n to the right. The three bulbs 1, 2, and 3 - represented as resistors aztd/78ajtl*5 lz 4p0u, oxhyin 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 electric5ff t c nl)f)3dev4gj1al circuit at the right. If the current in all three resislfg3)t5 e cnj)df1vf 4tors 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 5 vb2cmcqp 0+c-identical light bulbs a c0bpv cq2cm+-nd 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 concerning tew (z0+smsf l:he simple circuit shown where resistors R1, R2 and R3 are mws+f0(e z s:lhave 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 series to a f 86j8;* i-tvcxdiez3dzy 9z shw5sv8battery. 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 best8cty5x88zw396s*d ij h -;izfzs dvev 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 c,9i4.wyw(fej g uhqc4oulombs will pass through the identified resistor in 5 seconds once the circuite q,.ywju94i4ch(fg w 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 5wdl vmh g6vxw+4fj2 4 the following simple circuit have the same resistance, which would dissipate the greates fw4m v lv2g65dxhwj4+t 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 tf1pl5, ln *q( n5ilbq+kpi6 tqnjo1i8he 6.0 Ω resistor is 1.0 A. What is the po1nt8ll fb 65ini1 qlqp i,pq(nj k5*+ower 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 z k- q*xzo0iu4to 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 a o4kix*u zzq0-cross 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 andR3 are connected in paraltel:woy idztj(mnl+137z9z x4 mf +t3lel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipat zn: zmiyl dxezmttf9 3 4t1lwoj3+(7+es 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 1200v4u p1j7wsh 6h watts and 120 volts. What is the maximum value of the current undh7 s6wjhu41vp er 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 l6do-p33ro; i*(zamaaoq l.w watt lightbulb designed to operate at 120 vzlmd -3 .l36owr aqpoa(;io*aolts?

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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 resistor that is dissipating 36 wa9d azd0kp*e0stts of power?s*k edd z0p9a0

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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 7f1vt;hpy i7r "120 volt, 600 watt.” In normal use, the c7hir;vp7 f yt1urrent 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 d*,p n;y erd1tNOT be produced by a circuit containing only three ide dyn1d;*,erptntical 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.u8iaie,gr.1d wx7 -mx0 Ω resistors. Which of the following equivalent resistances CANNOT be prodwxdeguri7i. 18 x-,amuced using 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 resistor6b1x1uvh8eu1*zx rn g s of different values can be connected together in different configurations. If all three resistors are used in a circuit, how many diffez rhn vx1g6x8b*u11eu rent 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 conn6z 8ynuf5xb:znh0a8x: k-uq k 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 inb xf6 au808xz:kn5uqhky :zn-ternal 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 resistance R1 and R2, are connected in parall) a8(dkos;1mas1j jbq el, the equivalent resistance of the combination is 5Ω . Which of the following statements aqks djobja1 s;( 1)am8bout 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 had6i-hu4 u.nf,2 t4cady5 bcttmxur 1*s a resistance of 12Ω when operating at 120 volts. What is the mim xbct5ihun2c 1,dtuu.a6 y4d *f4r t-nimum 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 flows through a 4 ohm resistor that is dissipating 3m* y+s.zp hhsh,9o :qx6 watts o s:xh*9pzs, m+hoq.yhf 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 currensz 4(p( a5qxyat when connected to 120 volts. If the (z (y54sa qxapprice 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 howprwq 6h* )ild(ns2 +el much would it cost to keep a 100W lightbulb lit continuouqll) s e d+p26r*hwi(nsly 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 through a lj-yta j-ru, u7ightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices be- trj -7yu,juast 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 acun6lavo2k: 3m*kxq( t 500 watts in a 120 V circuit. If all computers are plugged into a single circuit protectek mxlocun3q6 (a:kv*2d 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 is connected to four resistors to for ;g6m* 3(bzdsy,rrb te6q85suprds,r m a simple circuit as shown to(dr;e63t,b6zsqdprysmu rr sb 85 *g, 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 simple 3qqxj,wx-+ 6/lnc+e mhizm c*jd+-k ahg3ye3circuit as smiahc nj/qx-* w k-dleh6c+y+j 33 g, zqe+3mxhown 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 switch and three c2(u024 wdqt ,dzs+8hihzdyi resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0c,h(d yz whz 2 8i2t4d0sdu+iq 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 ammepc))a5xf:h5okmr kx ts g js7j;.c 9q2ter, a switch and three resistors are connected as shown. With the switch open as shown in the di)72 5 ko .ac5)jkt9xc sg xmf:rhj;qpsagram 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 py il f5tamr-cq*;1e4 ideal ammeter, a switch and three resistors are connected as shown. Wt*e14q 5-filp yr;mcaith 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 shown to the right, what is the equivalent resistance? 1jh0zx( / v 5d8qlyogey25y kw Assume that all wires are id dyzq 18y (gekv/05jolyx2hw5eal, the 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 the cia5 s21zxap9pa *d ia5prcuit shown to the right with resistances pdaza95 i *pa2a1 xsp5$R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 resistors connected il+a:bm) .zb s7e:wh wqn a combination series and parallel circuit to a volt7 :ew qsb )+hz.:bmwalage 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 br f9kg r:aq0v l1zut32xz w8m2elow shows five identical resistors connected in a combination series and parallel circuit to a voltage so2ktr10l zx23 w vg zu:frq8am9urce.
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, uo*kire5bb+e5-a9bb qt . bv 6all of the bulbs are identical. Which bulb will be k qbbo -b5b*9 it+e5.bvaue6 rthe 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 resistors ar;-nnw q xdt.ic0o n+*se connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amper*ws. ctnn -xqo+0 ;idnes.
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,a7 fl-(vc zq+t a switch and three resistors are connected- tlqzc+v 7(af as shown. 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?


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
教师可以抽题组卷或一键复制本试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力
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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 27tm 0l vaxkc508rfzleqr z4(three resistors are connected as shown. Wit vaxzc 2fme7r(4zq008 tr5lklh 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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    总分:50分 及格:30分 时间:不限时
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