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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 electricol1 ;0kt-s bcp1n cy3,vl:uea current exists in the metal resistor connected to the ba1s: ,tlb; 1 l3o0cnpuac-vyekttery. 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?


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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 resii;s/7r v crn3tstors are connected in parallel, the_________each resistor is the i/c73tn;vrr s 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 wqz60 d7jbuy)hire of a lightbulb causes the filament to become white hot,j0d) yzq 6hb7u while the larger wires connected 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 ar kvh*oriy)* u;e being replaced with LEDs. LED is the acronym for which one of the following choices r;o*vk *uyih)?

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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 L and cross-secuzthf*ty;4gctkl( / g(ri7,t. s m o4utional 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 resist4z,m tuigc k(t u7ls ;/t4.(gotr hf*yivity 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 samfr-ai az6(f 7ye material. Wire II has twice the diameter and twi7 az-(a fy6rfice 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 mad,m) a).hwu isiyo*cf (e of the same material but has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y i(m )sihw*o., cfu)ay 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 length1w xetuhx8d 8 lub3,b0 L and radius r. This piece of material is then drawn so that it is a cylindh8txb u30e, bl18d wuxer 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 m5je3.mpn;-wdq )oqe hake a brighter light bulb. He decides to modify the filament. Hoq5 dn)e-wq3.hmoj pe ;w 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 resistors are made of the same material. The le64kaocs s1y )axzzi8w vgc +56ngth and rax81sg4o6vsyca 5zc)i + 6zka wdius 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 connect(sjd69bluo he 6udypkd4o 8go+96co;ed 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. This49u 6 yb8ohd+9o oekd6(godc ;uplj 6s 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 tg hir++9(pmsr2rjn, hhe accompanying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The amm9h2+p hgi, rrms+nr j(eter 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 fjz 9u( :wu zxdy*)x/lshown to the right. The three bulbs 1, 2, and 3 - represented as resistors d*u (: zj)x y/f9lwuzxin 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 currenlky k*+q)vyhmrto.ol f5y,(3t in all three resistors is equal, which o3. )(qr yfvk5 +o,y*khltlmyof 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 circui..gdnm nfqt7un )1+ uit composed of 5 identical light bulbsu qn.1t)7.d+finnm g u 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 sk el :.5jfgphp1 rdq.kk+* +mxtatements is NOT true concerning the simple circuitjqd5+kf.1khg*x l k:+ pp.me r shown where 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 to a batteryl*hz2 h 66z4n d)bmlya. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connected in paydla z6n*hl)4 mbz2h6 rallel 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 w x:d/bymzuy2lsq(5ud2+;r p through the identified resistor in 5 seconds once /xy l+duud5prz:y( 2wq m2;sb 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 resistors in the folloc u, qh8i+q(zsad5 ql.wml3fmp86d+ 4zwgy2u wing simple circuit have the same resistance, which would dissipate the greatest power+wq l5.y mmf iazusd4gl z2+6p,8dq(8wq ch3 u?


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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 mq(0qj(7 i7m.v dots)*6a spgleh0 ip6.0 Ω resistor is 1.0 A. What is the power supply voltage ( q0avhgs(7demsipt0.76pjm*i )lq o 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 serfpz5 ao m-)/g ba-;03pzwz.lk:ex qxhies 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 bpzh-/)3 z- apexqo f k.x0w;gzam5:l 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 resismczq7 mgq,6 4drz, b*ic7+ft+bwj1fn tors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V aq+ wi6crj4fb +zm,7mcfz * d,tgq7 1nbcross 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 hb3 ,.w ysilu/volts. What is the maximum value of the current un /l.,sh wu3ybider 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 lightbulb designed to operate atdg60unf .l;+y*fvepa 120 vol+ul6 f*;dfpv0gy .nea ts?

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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 w b)7uexia4)hh atts of pow )hx )h4auib7eer?

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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 isemq h014o jw5ngt1 w8d marked "120 volt, 600 watt.” In normal use, the current in it ign 8w 4ohtm501dq1ejws

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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 resistancesa/ d31irvp1 80v;v5 caor1hhacx yer ) could NOT be produced by a circuit containing only three identical 6Ω 0vrxov iyh)ca/8rhe3r1;5d v1 acp1 aresistors?

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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 equiv dpnu0a9 (w5bralent resistanb95(dapur0wn ces 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 resistors of different values can be connected together i2wh1)m4;qa kfjcb+u:l im6 dvn different configurations. If all aj:4miv2qf hck 6d l+m;b)1wuthree 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 if+und h4 *4gnxs 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 usdg*+x u n4fnh4ing 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 resistanc5 6;y*:k rwawje 1)h3jp;zopbgg4ndke R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statementjkjd1w4 ynkz agw :o )56 p;p3rhgbe;*s 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 . ee zkso4dw-v;* mgn9it has a resistance of 12Ω when operating at 120 volts. What is the minimum amount of timesm;wn og9ez* .k4 v-de 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 dissipatingzpvd(- wj*x1u iup(,hq,3njd 36 watts of powe-dij v,*qnpw(x1puu dj h3(z,r?

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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 current when connecte2(dov 8cax:iis;es2 njpn2 f9d to 120 volts. If the price of vcnds:p ie;x8j(if229 2san oelectricity 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 cosie hhg8- err km-e;()qt to keep a 100W lightbulb lit continuously for 1 year at a rh )meee(kgr-8iq; hr-ate 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 4.0+g.jahw*:j(tfr t tr /0 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one o.*: / frh(tarj+ttjg wf 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 atynj yc vg;ft1o r7w6v6 :lg6.e 500 watts in a 120 V circuit. If all computers are plugged into a single circuit protected by :v jlg 7yt r6owv;6fyce6g.n1a 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 rey:u xirn :9nqxahi:p52r7 vs 3sistors to form a simple circuit as shon79 2pxx :3r:auiny 5v srq:hiwn 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 form a sszfq1 5jtc:pue8pm-8 imple circuit as shown tou je- qtsp18f5z 8m:pc 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 thr xbi,ym hzy/6-ee resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amperes. h ix/,-z 6myyb
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 swiiv(y12ne rdro3;jzh6 l + c*vu+aao+ftch and three resistors are connecte +y ai;ez *nj+v6o (2dlrcroaf v31h+ud 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?


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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,vumz j* (:dz/ 7qccq2r a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amped7rc zm:/ *qcuz vjq(2res.
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 /ij oblkv0*mvs2 z bii*wd36.is the equivalent resistance? *jvbb zik 2/il v3 i*mo0.w6dsAssume that all wires 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 the right pgc xn, ipt7*nog) 8;jwith resist,x*g pn;not)j p 7cig8ances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 connef*po:./azbdf cted in a combination series and parallel cirbdf :o pa/.*fzcuit 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 five identical resistors connected in a combinatilqu; j v1rohf5 p1+ie4on series and parallel circuit to a voltage sourcefrh5 1ul 1ei;+pq v4oj.
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 ir gmv7w uwd)o:hu81p6dentical. Which bulb will be the brightest? :)m u uo87hwvr 6pdgw1


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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 dtmgc2knk9afh5dz4 w 87x3s ),k1 gdzammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammetegdxkm c7zas2d gn h, td5 w9f43k8zk1)r 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 thx .eb0(sk p2dt*+leo kree resistors are connected as shown. With the switch open as shown in the diagram the sbo.2*+k kep(xedtl0 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 ideas*mw9 t0ej1 z.v ssezyi0i00ml ammeter, a switch and three resistors are connected as shown. With the switch open as shown in0ztj s00e9w0.v*e1s iiys zmm 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:    
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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