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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 qip- 8h,bh;umexists in the metal resistor connected to the battery. Which one of the following choices best describes the direction bhhui-; 8m, pqof 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 resist+gjlym(9n.i q 4oei; zors are connected in parallel, the_________each resistor is th e4qm+j9gloy .i;izn( e 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 th/* )y+nczj (u hmsr s-,dcli)de filament to become white hot, while the larger wires connecc,c +*u snrjh))l-mzs yd id(/ted 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 replaced with LEDs. LED is t xdek nh04z78vhe acronym for which 8hexk vnd70z 4one 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 L and cross-sectional area A. s7i i2yo v:4 0:hp3bvoqaemt8It is to be placed into a circuit, but it first must be cut in half so b :qe:7am s83vtoh20pv 4yoiithat 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 II are made of the same material. Wire IIcatcgr)9fi3lvc7 ee *ha776 n has twice the diameter and twice the length of I. If I has r c3lr6e*f79hnc7vt e7)ai ag cesistance 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 but has twice the diameter and half a6dfqv(3+ola the length of wire X. If wire o3dlqa +f( v6aX 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 length L and radius r. This pi i+b ddeaoa,gdom8f )-dlt887 ece of material is then drawn so that it is a cylinder with new of d8 i,dd7aem b+8)lg -dota8length 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 wly6)+5sb nzo uo)ib, bants to make a brighter light bulb. He decides to modify the filament. How should the filament of aiy6 s ub+bznol)5,o)b 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 length a58 8jhywzgis1xr :b( l g8*eao-lg ci6nd radius of each8rzhl i 6 ij1-egc5:ba(so *l8gwygx8 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 c d50 xqu r1xqgsn2sv*3 qf8b-konnected to a battery in the following way: “Tw53q1q srq* dgun8xxfsk20 -vbo 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 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 internp)f0 5tx4k nqhzrr2/z al resistance 10.0 kW and the ammeter has internal resistance rq)x0t4kz 5nf/hrzp225.0 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 shown to the right. The tceb +9ek* a/:s ff0vlthree bulbs 1, 2, and 3 - repr v:f9a*ec/ bef+k t0slesented 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 simp(ado87w6lxer t8m o*bi c02ed le electrical circuit at the right. If the current in all three resistors is ac2wx0reido*8ol(d8e m6tb 7 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 compose:/e eaj 8y8( rmacljq:d of 5 identical light bulbs and 2 flashlight cells. rj8emcaa:q/: lye8 (j 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 statx kc/w:)c+ plq7bxpi2ements is NOT true concerning the simple circuit k7)c2/icxp q+wl :pxbshown 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 i.+oo p8-b7mkyr q d7v/sj2s5nx:l egsn series to 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 sal + qo8p mjre7os.d7b/ s vyg:5-2xsknme 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 through g /z1+girnst 9 the identified resistor in 5 seconds once +/it9zg1s n rg 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 following simple circuit have thei xu,y rywut-,7(v .3+zvof jd same resiwzry,v7u.jf3t id+ux (,oy -vstance, 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 pdi-d2e*5 gahrp*9 xuoo o-6s resistor is 1.0 A. What is the power supplogpoae-9rux-6o*2 h d 5pdi* sy 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 conne , osimq):j/yrcted in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 di /oy,i ms)r:qjssipates 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 resistors R1, R2 andR3 are connect *l, k: fx*ojkisdt, t5+h*nxped in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. Wtx**oxkkh,+i n5l p:s*, djfthat 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 vo6cxu5k p rk(f4q0 pyg/lts. What is the maximum value of the current under these p5uq 0xrfk 4g kpy(6c/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 d1.qvg(l hvd49 1law owesigned to operate at 120 volts(adlg14ov l whv 1w.9q?

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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 36n-6 zkk1 q8y:nl ny*ge watts of powerygenyn k6:lq-zkn*18?

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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 pres)f46.ubb )o7za7znfw4azp pws clothes is marked "120 volt, 600 watt.” In normal use, the currentbu7afoz a p47p)4zwbz. wn f6) 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 bb o-iuezbb ;2htn1vn-:+ rkl5e produced by a circuit containing only three identical 6Ω resist:u -b+ v2rz nk5olbnh;et-i1b ors?

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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 res1 r2d1 v c0-twmd,ro qzqbe9ga1/y9fsistors. Which of the following equivalent rs2eq mq9 favdrtoc1w 1g90z/d,b y1- resistances 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 conic5yx+/ hlb7rnected together in different configurations. If all three resistors are used in a circuit, how many drl i yh+/b7xc5ifferent 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 xic .:tqw d;7pd)f3(;ikb0zewge 2i0ufsc j (, 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 batterk;:ci;(7ixc(tfdqf3z0jibeud02 . w sepg )wy 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 resistanhv5uvlw+1s a4ce R1 and R2, are connected in parallel, the equiv 1h5+suavwv4l 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 suchyatv 3v(n.6ma( d/aiu that it has a resistance of 12Ω when operating at 120 volts. What is the v ava (i6ytad.m3(un/minimum 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 throu /5do( mq5zoihdovfz9 (w(q 9zgh a 4 ohm resistor that is dissipating 36 watts9mvz5 9qo (z/q5(doh(o z iwdf 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 c,78dxdymwn:q4 h;dzy (jb3nwtn)sn 3urrent when connected to 120 volts3d q wn,yt)n xzb;sm jnw7d d(n4:y38h. 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 keep a 10xte: ud1u)zbu 2 q(da0bas5cz5so,2z0W lightbulb lit continuously for 1 yearq5aussa)2( zb2 5 uub1:oz,cd0zxd et 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 4.0g,ysb1esg gb01iw*y - 0 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represents the resistance ofsb*1bw y-ig10 sy eg,g 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 , d;n:3m qpnurj/tm ,mowns a computer rated at 500 watts in a 120 V ,; mqrnnm ,m:3j pt/ducircuit. 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 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 resistob *p idcw+;fpr 7l138le ktpc;rs to form a simple circuit as shown to the right.c fet bp*lp3w p;li81c;r7+dk
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 coaj1 n28 xjmlvv,z-/ ln*aa9o a7-zrzqnnected to four resistors to form a simple circuit as 7a*98j2 nvla,j mazrx -o/l v-a zq1nzshown 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 thre-z iqmipnp0 9(c p.q h2a7ew7ze resistors are connected as shown. With the switch open as shown in the diagram the ammet(2pq zw 0ih pq p-79n7maeicz.er 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 and three resistors are co9ob1cu x 5lk2zzr* 46vdle3bnnnecte du*obeczx 42rkl36 vb1z9ln 5d 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, a switch andws i2u8v, fuabd 3x -4pgb)0ud three resistors are connected as shown. With the switch-2b),i8 gdwd0su u3 bfav4uxp 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? *v+.1o nz; dm+ olsauj Assume that all wir1l+mu jao.;z vs+*ond es 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 r3-i,wim( x9 g 5fzud; 0kycvjbesistance of the circuit shown to the right with resisi0m;fzu ix(-wy c,k5d b3 9gvjtances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 c1;xorjt5 pr a(ombination series and parallel circuit to a voltage source.r1ar;x5t j (op
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 codds ,emkv)t+dw :o //bnnected in a combination series and para ddds k/vowm:/e+t,b) llel 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 t2.a*8 shbrgux he bulbs are identical. Which bulb will be the briua.rs2*b8hg xghtest?


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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 threehnu6 k ik5f,scv2c0m ) resistors are connected as shown. With the switch open as shown in t )v cm k506s2,fhnicukhe 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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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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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 are con 59vwey5izq,+nah.)seqo 3 k vnected as shown. With the switch open as shown in the diagram thqeqs +n3a5v)v9wo ie, .ykzh5e 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 three res-yb- xg6am0 oyistors are connected as shown. With the switch open as 6-by-xo0 gamyshown 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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