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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 the metal resistor uht7 :a ,zv+l/gje 1ttconnected 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 tuht1gve,a: tt l7z /+jhrough 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, t8 s4e.u*4d uz)f4y yrdqz93/xv oqyjp he_________each resistor is the foez zqjy38sx rdu/pyd9q 4 .4)v4u *ysame.

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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 fxk qst ;hqnfhs-j pbf3k15uo+;9+2 ijilament to become white hot, while the larger wiresb1p;jq5u3fhi k+ s+xqfo2s- j n;9hk t 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 are being replaced ( 2p ggc9lp81s*:/k hzext oegwith LEDs. LED is the acronym for which one oe z19gsx*8lko g h/ppg(c et2:f 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 r ju5 ig18ze5ukesistor has length L and cross-sectional area A. It is to be placed into a circuit, but it first must b5u gezk5j1 iu8e 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 II dh-vt) xpht:0 are made of the same material. Wire II has twice the diameter and twice the length of I. If I has ret )-hh:0pdtvx sistance 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 mxwf rnn55 v/+daterial but has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Yw+x5n r5fvdn/ 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 hasej* fs68r4 tssa1 7.jswt8v qxgs3 nr7 length L and radius r. This piece of material is then drawn so that it is a cylinder with new length 2L. What nse s7.s 67asrfqvrt83x*j4s 1jwt 8 ghappens 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 wbh9re )cdc2j+ ants to make a brighter light bulb. He decides to modify the filabcc9 2d+) hejrment. 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 resistors are made of the same material. The length x7ttvdw: ;nh +and radius d; htwx+7v :ntof 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 conn3skccv/9/mm l(vmtt1xk2 p 0rected 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 fourth resistor.” What is the equivalent resistance of this arrangement of four resistors?2t0c mt9v( rvp/31/k mmscxkl

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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 ham jb8-7(h 3xpv8rxyh xs internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter readivr8 hx-m (jxy3bxh87p ng 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 s*g(d 14gzmet thown to the right. The three bulbs 1, 2, and 34 tgg(dt1mze* - represented 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 simh31pnd-l lnaug hz: 1e dp,4+sple electrical circuit at the right. If the current in all three re:3 +p d1egulzl1sdphnah4-n, sistors 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 ao3hyfisp9(lnqd 8 g4( t right represents a simple electric circuit composed of 5 identical light bulbs and 2 flashlight cells. Which bulnfd 8gi y4sl9q3p(h( ob (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 t*rshd 21lom0wbe 6-e the simple circuit shown where resistors R1, R2t1*el0e- db s rhomw62 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 +x gx m dsg(slf4/9nw6connected in series to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are idexs/4x (6 w9dn g+fmslgal. If bulbs X andY 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 thro3+gnsuetq 065rg.l i azr9fs7 ugh the identified resistor in 5 seconds once the circuit was closed?t3fa60r .ie+g9ug rl5nz 7qss


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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 2-im5ugc-m p psimple circuit have the same resistance, which would dissipate the grup-p2i5cmm- geatest 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 v.uxkw e7r yh 4.o6p4kthrough the 6.0 Ω resistor is 1.0 A. What is the power suppl 6 ouey4kr4.h 7vk.wxpy 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 9/j47t egg*jp 8lnqrlconnected in series to a battery. Suppose R1 carries a curre/ ln*qe7rpjglt4gj89 nt of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 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 connected in parallel to a bae,4 oa4zi qftdl- c)v,ttery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipo,q )lei,ct dv-a4 f4zates 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 ratxafasq6 db)f: i:7hz:te5 75fubw 9dy ed 1200 watts and 120 volts. What is the maximum value of t7e 6a bqyahddi7sf5tb:)5u: zxff: w 9he current under 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 lightbu/f5dsjmh let *mmw)n8r;ue + ,lb designed to operate at 120 ; 5 rme mm)+,/u *lew8jtdnhfsvolts?

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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 res32+fyz l 04d;ti -0llwvflv wlistor that is dissipating 36 watts of plfw tvllw 4dl0i+-;vyl20f 3z ower?

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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 usp o +v dk,;ovek qm-2tim4l;:zed to press clothes is marked "120 volt, 600 watt.” In normal use, the curre,vlp :k dz 4o;kem+it2-;vqmont 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 isfxx;7c,n5 sNOT be produced by a circuit containing only three identix ci7,n x5f;sscal 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 ttbd y8ra2x;4p hree 1.0 Ω resistors. Which of the following equivalent resistances CANNOT4y ;d2pt8rxba 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 differe xo q/oeq2ob5 x,feh4:nt values can be connected together in different confixeeo4 qq oh/xb, 25fo:gurations. 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 toukb+ l) gc)jz0daie02tal 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 interu)0ljd+i)g c ab20 keznal 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, md9 gonof 6w(q**(azgare connected in parallel, the equiva *wmf 9dgz6o*g(a(onqlent 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 such that it has a resistance of 1i(tenm g3uq1 n,g/ bi72Ω when operating at 120 volts. What is thgb/3n tg7(m,u i1e iqne 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 through a 4 ohm resistor that is kso o1 /8qii/)b ga+pdy g/r1hpsn4k.dissipating 36 watts of pow8)g/pqiors. sg1id/k/1nk o4ya +b ph er?

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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 hea;syna3 (anucv,/+q gg ter draws 13 amperes of current when connected to 120 volts. If the pricgn3 u;qnca gyv +,as(/e 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 100W/v7e3i rvnbu9 b:h6.3tciw nd lightbulb lit continuously for 1 year at a rate73ev/b: iri39 d ucv tnb6hn.w 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 th4dppsgi;qv(8u n+ zl2 rough a lightbulb results in a power of 24.0 W associated with the bulb. Which ou8d4zlsg pv;qp 2+n(i ne 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 wa rszw++u*a 9cwj zurxnb+4f,24) akyltts in a 120 V circ) f9+*jy+4ula w4zz naxr rs2bk,+wucuit. 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 resistoro9.qdnfst9n y: 5 . 0grumv1xys to form a simple circuit as shown n 0usg:x.5vmtrf91dnq9.yyoto 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 hsf7d bk3u (.rto form a simple circuit as shown to the righk r3 s7dubh(.ft.
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 j*,hdxhp :4lc/zpg 6gammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 g:px*pzc/ 6ldg ,j4hhamperes.
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 resistor+-htzf gr)1rlw f1u7ls are connected as shown. With the switch open as shown in the d+r7l g1w f)zt 1flh-ruiagram 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 and three u6l ( ru ux,5da/t5 txbmxbs79resistors are connected as shown. With the switch open as shown in the diagram the ammeter readsus lx5a 9 db7b rt/6x(utxm5u, 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 resisy h. ckcs5fj)pif10 l,tance? Assume that all wires are ideal, the battery has no internal resistance, and all thpyi 1l)j5, 0f .fhscckree 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.3kd+vv3qt c 2k;owk gus h06s shown to the right with res2v c3; 0k3uosg .kqh +vtsk6dwistances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 res;rr*f )kb5 d)s4drum oistors connected in a combination series anr;54 fmuk sdo))*rdrbd parallel circuit 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 combiz+ooner1w)m5: l lv: *px+ adenation series and parallel circuit to a voltage sourcmd*:1+x plre ezl)voaw: o+5n e.
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 axg)qa t).b/mf.w/ unrf:2 l vyre identical. Which bulb will be yx:/afv./trq) m. gbnwu l2f) 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 resistors acr , hqx(:jh:ure conn, ujchxqh r(::ected as shown. 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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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.22: An ideal battery,y0yi 85o+ 143b ocsc nuyofdkn3(y7re an ideal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amp1c 3c+(y0y8norobu5yyk sf ie4 7nd3oeres.
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 iv bpe7kh q8)zn1qi0k29uw k+4gu:oeqdeal ammeter, a switch and three resistors are connecte4q 8qnp1e +z kkk uebu92ov7)wgh0i:qd as shown. With 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?


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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