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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 circuil*98c 4uiz upd(( sdkdt shown, an electric current exists in the metal resistor connected to the battery. Which one of the following choi ( d9ds(8cpuki4z* dluces best describes the direction of electron flow through the resistor and 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 paralc q0ka1jbjj6o4 hb5k.lel, the_________each resistoq ckj jhajb .k54601bor 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 tstu tru4 l/ow/ogt*+, /ldx-8t gb/fzhin filament wire of a lightbulb causes the filament to become white hot, while the larger wires conwxsl/tdt /or/b+z*- ugl/ oftu,4 tg8nected to 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 repla27vcxd. (gumq i q+l7fced with LEDs. LED is the acronym for which one of th7 qd.uq7vclfigm+x2(e 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 resi*(fquy6jd fg(stor has length L and cross-sectional area A. It is to be plq*gy6dfj ( f(uaced 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 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 IImn lhk7 19rv9(f h oaaf4i(pt, are made of the same material. Wire II has twice the diameter and twice the length of I. If I has resistance R,n9t(,71(9rpfkfhm ai voa4h l 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 but has twice the flzld; 9+ai(g+xkz 0d diameter and half the length of wire X. If wire X has a resistance of R then wire Y woulddl 0 ;+(ifdklaz+9 zgx 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. Thisw f/swg0nq(tyu ,z nb/6p-me+ piece of material is then drawn so that it is a cylinder with new length 2L. What happ f 6p,qsb 0/u+e-/ywt z(ngwmnens 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 *ohm3moda*o(ic5b (q rq5 d,v a brighter light bulb. He decides to modify the filament. How should the filament of a lightr5*,b mimvo(dhq do5oqc*3(abulb 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 resistors are made of the s -a)qrav. tsblv-r ;,pame material. The length and radius of eac--vq;spb rrvt, ala.)h 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 con7cm )ef 5 r9 zs,,2wdbsinosc6nected to a battery in the following way: “Two resistors are co,iomreznfs 2ws97,) c db6s5cnnected 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 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 diagram has 2/en/jp hh00d:loxogzy 2sf*internal resistance 10.0 kW and the ammeter has internal resistancz 2/ pn/oxjehlgod0sf2y0 :*he 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 ;0 ;zzy+ 5qo hk qgcdn/) 311emujvutjshown to the right. The three bulbs 1, 2, and 3 - represented as resistors in the diagzu 1u/;0k51jo cnj 3hv;e+qgd)qy mtz ram
- 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 rightxieuxu5a7,u8yx5t :c. If the current in all three resistors istxx 85cu5 ixe:7 ya,uu 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 cxrcm8b5*c2dhw q my)sv,0 au7omposed of 5 identical light bulbs and 2 flac0 rc),qd2um8 7ahmvy5s *bw xshlight 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 the simple circk8f 8le4ngw6z.2bodw(/p s d buit shown where resistors R1, Rb2/fwsp.ow k(nb 6el8 gz84dd2 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 andY are connected in srpkiuhtvurg srz/2 -57c,97 h eries to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X ap9hu5/s-i 7v7h gk, t currr2zndY 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 coulombs will pass thvv* fri .bzwf :xm9jd+z t,78rrough the identified resistor in 5 seconds ,itx.9 f+db rrv7 j*z8zfw:m v once the 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 regsr bk )ni k2el0gy)c hwq14z +9zzw47sistors in the following simple circuit have the same resistance, which would dissipate the gb0wy4 zk rkngzz)clgq7i hw19se) +4 2reatest 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.. zgd s s6g;atdxy /11ay)y9buuwd;-s0 Ω resistor is 1.0 A. What is the power supply voltadas;1 g-z y xd6;.us1by9)/tgya dwsuge 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 resistorsy ut /fvc.nk)5 R1, R2, and 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 i. y5fkvctnu/ )s 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 resistors R0c*:pyjyuw / t8fdl 94wuk.yt1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V acros: y9tlf/cy0 wjpuu8.w4 * tydks 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 rated6y* fmedz a;6o 1200 watts and 120 volts. What is the maximum value of the current under taf6 oe;z *yd6mhese 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 wfz,t2u)7pn wggmg5az+ xa47mo4nc s 6att lightbulb designed to operate at 120 voln u gz4fts gaxpw6) 4o7+7 m2,z5amcngts?

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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 dissmyfqrwzl 8tq;93esl ydz 4 3.(ipating 36 watts of poz(z3ydys8er . f9mwql;l34 tqwer?

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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 clothw1gj wy 0qn8 (qpmwt-.es is marked "120 volt, 600 watt.” In normal use, the currenwwpyq18.0mj (w qngt-t 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 NOT be pr:)u6vmoxt sh :oduced by a circuit containing only three identical 6o)uht6 s:xmv :Ω 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 m)ew.((ki i6 hu/1cu.- :hmy xj dwfpwof the following equivalent resistances CANNOT be produced usk jh.iceid p6 (wmux-):(wfyw/h.u1 ming 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 resistors of different val zafznkg03h b8587b ocues can be connected together in different con8azzgnchfk3b 5o 78b0figurations. If all three resistors are used in a circuit, how many 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 total power P is; z/ jmxr3jy.f i399aw8m mwqs 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 a 8z3mjws m;j99m3 r/qxy.wifinternal 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 conne.g2 w q 0tq5snjl2f on*2f9egcs an6o,cted in parallel, the equivalent resistance of the combination is 5Ωqsggs, nf2elcw jot qo52fn *9 .n260a . 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 ows 2kuy+7neon,3y:tn 8 4whqy perating at 120 volts. What is the minimum amount of time that it woulo:2nnt wuh3eyw+4yq 78kn y,s d 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 ohu3 i yjtf(fd.xk3bq m/i1y j15m resistor that is dissipating 36 watts of power/jxft .yq f3di ujk(1yi1 b3m5?

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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 amnl ed.w-mshsx 0;yd2g -, (aptsq -/xtperes of current when connected to 120 volts. If the price of eh - xx-ddm,(pq 0 .t;sa-tswln2seg/ylectricity 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 cost to kea27x2 * f8k4ad0ui iurwwllr-t t)kb2r3gh+tep a 100W lightbulb lit continuouftltt h )427-wd28kux 23r+rau iir*0gbkwa lsly 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.kz/fflo tz*kc5 k*nq 949kx 7i/ v:kqq00 A through a lightbulb results in a power of 24.0 W associated with the bul* qck v/kf q: /flzo4x9*nk5 t97kiqzkb. 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 computer rated at 500 wap vm */frvy-/k2che2 8xjv:zetts 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 of the computers can be operating at th ejmcf//-xv p2 vek*82rv:z hye 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 r9je 7eyn9eo8 l2/ xnz+xug/ioc6;ok m esistors to form a simple circuit as shkeng z m79cle ;2ijx o/6e +x8o/n9ouyown to 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 e,konp,m-p )b)c br:g /qcjx+form a simple circuit as shown to ,ppk)re :jq cx /-+bmbgo, )cnthe 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 switp6z6itlqfx7;iq - urr q/mu8:ch and three resistors are connected as sho6 r6zmu:ftlqx7ip u;i8-/rq q wn. 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?


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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 ai2nmimu mc5u-q1 80nend three resistors are connected as shown. With the switch open as showicu8qu1in5mem2 0- mnn 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 ammwae) 9-a,2qh0war.4kw as mjup2 ef /teter, a switch and three resistors are connected as shown. With the switch open as shown in the dhe9ws2 e4qum)0w2rj aaak f,/.-patwiagram 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 r;w kr26dj5ik tight, what is the equivalent resistance? Assume that all wi2 w; 6kikt5rjdres are ideal, 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 circuit shown to thelcime 7cm9sf l9 g(-+q right with resistanc+9cl(-l 9igq fm7s emces $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 in f2o vm fil-4/ka combination series and parallel circuit to a vol-mvilfo kf2 4/tage 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 five identical reskoc ,u;yab o;:istors connected in a combination series and parallel circuit to a voltage ak:uooybc;, ;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 of the bulbs are ih)nwmxzo6t*d .j6/ tu dentical. Which bulb will bettm 6znjou /*xdw6.h ) 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 resn zi5m:oi2mb 1istors are connected as shown. With the switch open as shown i1m5 in:mozbi 2n 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 ammeter, a switch and three resistors + u-a1fj+slxjare connected as shown. With the switch open as shown in ths+1 fxj-aujl+ e diagram the ammeter reads 2.0 amperes.
With the switch open, what must be the voltage supplied by the battery?


参考答案:    
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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 an9gjdni qr/4p cc,gx;8 d three resistors are connected as shown. With the switch open as shown in the diagram the ammetp,xgg9i dr84; cq/ cjner 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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