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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 pzd6xow-*14jklafs,px+g, da ) owp4the metal resistor connected to the battery. Whi +)16,p olxp zog-dp4 sdxk* w4f,waajch 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?


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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 lvn,2 08necd t/ j.lhhj;a v.eare connected in parallel, the_________each resistoj d0l2j,v ;nehcle t/8h an.v.r 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 filament wire of a lightbulb causes the 0llv wni*-jw/aqiw8 )uz*v ,s filament to become white hot, while the larger wires connected to the lightbulb remain much cooler. Thi)*an-ilv8/zqs luvwijw* 0w,s 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 replaced with LEDs. LED is thj4-vn58/7hi t yeanuye acronym for whic/j 5h vy-un at74eiy8nh 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 resistor has length br8g4s0,rk ae* k kzpr)d2 c2hL 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 ratiorkc24ahre2d*)b ksp z0 rk,g8 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 II are made of the same material. Wire II has twice the dc2d )qcz(ut25r jj;kaq6xt1zh x la8j9 7hk: jiameter and twice the length of I. If I has resistance R, II has resista6; xth8 2z)jxqjr1klc5 hd9c (ktjaqju2z7: ance

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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 diameter o)drq 0e9f9x jb5jh:cand half the length of wire X. If wire X has a resistance of R then wire Y would have a resisrd 0fc)e5x9j:bjq 9ohtance 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 radinfixblv9)b6hd/ 4 -wbus r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to the resistance of this material because of this proces b9v)nhx4 -db 6bwl/fis?

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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 tp m4mcq0+rod57 / 5n *mimsfdt* yegj/o 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 ligj*di5e+qm m0n7m/d4f5t *y rs/ o cmgphtbulb 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 same m1 wef9w,fgny -aterial. The length and radius of each resisy-few, gwnf91tor 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 c,-lu wql sdk joc:/hlc08h6+ connected to a battery 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 four ,uc/8:hqo-0 clcjhl +wd6sl kth 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 internal r*c ppt./1j.rjf dte ;mesistance 10.0 kW and the ammeter has inter ./p; p.tjcftm1j der*nal 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 comp3 jn 5 1zao(puln+oov9ound circuit shown to the right. The three bulbs 1, 2, and 3 - represented as resistors in the diagr5j(3vzoano9 1n+ u ploam
- 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 v 98fb0iaa fb0ge sk/ f6 oe3oc2il53zthe right. If the current in all three resistors is equal, which of the following b 8ef2906ofl va/eabiik gc 03f35z sostatements 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 cil) 8xq v5-. pk9fklzmxrcuit composed of 5 ide9 k.k f8zqpxvlx-)lm5 ntical light bulbs 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 fa8p c7z*:5d/94neivpey m-hhylkq ) vollowing statements is NOT true concerning the simple circuit shown wvqly/v e9h-8a7 * php4)idnm: k5czeyhere 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 andY are connected in series tyvlp)qh j- 8gswmh 3st.9 ;*d1y3ziqp1gf3dbo a battery. 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 follosp;11zh y fdytjg3)sqq d*gi 3 blp9-38vh.mwwing 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 through the identifiet*q- pd +9b2 ujn8kmo94txwnkd resistor in 5 seconds once the xt t+ko2998 *qwdp ub-jnm4n kcircuit 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 simple circuit have the,zcdi u vv2b0g/k6h l+ same resistance, whc,i /dkl+vvgh u2b z60ich 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 accompany* :w8ydf g*tf 5ptxn+ying circuit diagram, the current through the 6.0 Ω resistor is 1.0 A. What is the power supply voltage *p* 5n8x f+tydwyfg:t 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 connect -bls7ai gfd57cda: w.ed 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 voltabis7d alcw 5 :d7af-g.ge 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 R1, t( 1 ygv4 ;u: 2e1qzmmimfe/jsR2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W.m 1;te2s/mqmjz:4 f( ieyuv1g 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 ej*g albvd)q 3ot3/l1volts. What is the maximum value of the current u/1o3evgaqjl dl)*t b3 nder 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 lightb,t sbxqwgxfny(/)y pso1q5 g30w*:4zxyc ig - ulb designed to operate at 120 voltg- (n* tyy3/iqxy css4x b: fwgxp1q5zgo)w,0s?

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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 ty p ing;)l. hdc*a ln0q:hv.r1hat is dissipating 36 watts onl;)0:hi1 ny.p ld vcg *r.aqhf 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 ironk y5z4*ja hg pcj rlxl5/.s15h used to press clothes is marked "120 volt, 600 watt.” In ngkcjp 1y 4hrahl5 jz*.s5x 5l/ormal use, the current 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 zbunxmq r45 /r/ vc;:cproduced by a circuit containing only threeb/qn z/r vcm:cu;r45 x 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. Which of the following +.;y uisa,5pcj1d23hvp jp hy; p;max8 fv/paequivalent resisd 2;p3/c fmpa+jvs5puhj 8h, 1;a;xppy iv.ya tances CANNOT be produced 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 resistorsr3( 1u7ww din)n(fe zu of different values can be connected together in different configurations. If all three resistors are used in a circuit, how many ( zu3fwn)d7(1 newuridifferent 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 70,xx(qhf jwoconnected 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 battery iox f,0(qw7hj xs 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 ck(qi;*:jn*opnx cf3dj tj u*7onnected in parallel, the equivalent resistance of the combination *( ;uj njt73qxnp d f*kio:jc*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 that it has a:xrvqec+j4y66 j6)y0bc n alt resistance of 12Ω when operating at 120 volts. What is the m6a: 6bcx0) ltr6 y 4jyjqvnec+inimum 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 resir (rbcxhm,)9.twre:d +co4 lo vp2d2 mstor that is dissipating 36 watr() ec:wmx o r.vct9pd2 +d2b, h4lmrots 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 amperes of currenfbf emm -h)9e+ 8ugrq2t when connected to 120 volts.fh)q+ g-ef2eb89 ummr If 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 it cost to keepk1fqcoapoup,eyej h8c/ qz1iz73 gu/7.z+d 3 a 100W lightbulb lit continuously for 1 year ek17,dzop+qy8zi1hc pc/ou f3gaj.q/uz7e 3 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 lightbulb resuk 3xp+ao7(hd tlts in a power of 24x(pdathko3 7+ .0 W associated with 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 ow) 8jd-u+pf- cd:xb-i4 ksfwon ns a computer 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 maximum number of the computers can 8d sjf 4bxfpci) wu--+-kno:dbe 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 connec6 :v b3+c3w2dnuv97*kn wk xal(wvi/lgh4n cvted to four resistors to form a simple circuit as shown to the4*/d673n uw va2lc+nvnkvxvk c:3 ( lbwg9wih 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 f3(jt+s2 ad ydn0pemyvht fb8wq1,5x/our resistors to form a simple circuit as ythjq13 d,ew b/(xym85avn+f 0dt sp2shown 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 resistorsf:f 4+cyasb 6h are connected as shown. Wihbfscay4+ 6f :th 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 am hdm5*0f (u+b95uacdnfm ebe7 meter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads edn7u50*em9 bbcffh+5a( m u d2.0 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, a2 wioz liydfon g9-gq30z 5gybvk;dn +t)a*58 switch and three resistors are connected as shown. With the switch open as shown in the donl2o)8 + v w g0-fidqg;zi9k5yzna dg b*53tyiagram 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 rightf; r32f)9 kipsn/vp1 qkc6aso , what is the equivalent resistance? Assume that all wires are ideal, afofp/s ;r123 sk)c9n6i qkpv 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 shor 9ixbq(w,m j5 ;x jg1n-b84zd9ofw vfwn to the right with resistancegjf;9b,dxr (mo-1z iwf 49qvj5wxb8ns $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 a 34a(+ayllt ty combination series and parallel circuit to a voltage slaa t4lt3yy+( ource.
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 resistors connected in a combi;gehcceqrm./py/ /r 6k7q)q ination .ycqp m) qqee6 hgk/ 7;i/cr/rseries and 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 diagram, all of the bulbs ar vx3et89kgyvb3a:4z be identical. Which bulb will be thekeyvta :9 48vgxbb33z 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 resisto8gkk g2tdp50x 8o nc (kccg.9nrs are connected as shown. With the switch open as shown in the diagram the ammeter reads 2c0.kgdx9notk 8gp5nck(c 8 g2.0 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 batte 5mr3/je /n,ss 2ppsbgry, an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown ipb s 3me5g/spr/ 2,sjnn 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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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 t76f s1-uj wgwjhree resistors are connected as shown. With the sw7f6w uj j-wsg1itch 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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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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