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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 thbpe,cuqr,b4u0 ,n;m je metal resistor connected to the battery. Which one of the following choices best describes the dire;pnuq m ur,,j,b04bce ction 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 :hl4nmr i-y( presistors are connected in parallel, the_________each resistor is 4lrh:ym (-pnithe 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 thrhz90hlb 5cw s fcyl;7gx+d,4 1ts6 vae filament to become white hot, while the larger wires connected to the lightbulb remain muys7 x16;bztaw 9+chf lv5rhl0 g dc4s,ch 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 beine /sh w zy4e)t0vc,op1g replaced with LEDs. LED is the acronym for which one 4t1,z/p wyeesoc0vh)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 crop+ntiqs nyw77v-9l lz 9y ex ;;1+hihwss-sectional area A. I9yvzn;n7lhy p e-tw++1hi9wq i;lx7s t 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 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 z 4:h8sxnm4z--k5drcv b4ckcthe same material. Wire II has twice the diameter and twice the length of I. n c4v4mzx84kzks b:cc5r h-d- 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 made of the same material but has twice the diamp w,r13v;xgd yeter and half the length of wire X. If wire X has,r;3 dx1pywvg 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 esyr 69rfx/ vm0kc:mg74msk,resistor has length L and radius 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 becaus4s g6mkyfr7:m9vc 0s/emr , kxe 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 a 9 ld)b 1*aw7p8j tfwvlbrighter light bulb. He decides to modify the filament. How should the filament of a lightbulb be modified in order to make the lightbulb produce more light at a given voltag7t)a f9b lp vwjw81ld*e?


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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.(y2p(fit+ ao n The length and radius of each resisto2ay+ t ifn(p(or 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 resnt1soe3i nt7. 052rerlr lp9z istance R, are 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 fourth resistor.” What is the equivalent resir 1li tp.3rz09eernso75 nt l2stance 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 resisb5r0omq6:a8;.u7e -rx swama 1 zkrf ktance 10.0 kW and the ammeter has intefam6q.;sa :xboz05uw-r1m 7ra kk r8 ernal 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 compound circuit shj,pais(w 7an 9-lygqln 29 y) qzsdv8.own to the right. The three bulbs 1, 2, and ,a qsa y) -np9s9d y7iqnl2z.8 v(lgjw3 - 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 simple electrical circuit a( oswgu : 0.5gjt*b,u (sctfjat the right. If the current in all tw g0tjo .jsab:s t,(5 *gcfu(uhree resistors 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 at right represents a simple e t3d .ljigh8c,xx(8bxlectric circuit composed of 5 identical light bulx j3(,.bg8hlx tx8d cibs 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 statements is NOT true concerning the simpl6a0zkreh 6fv 5e circuit 06vzke6hraf5 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 andh(b x57ul *f9dtal9g* dc)oekY are connected in series to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If bulbs X andY are connect bc*5)9ghf(d* udxeot 9a kl7led 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 t-njg9 )1o-lh,xkby zey 85pjpsc3 e7b( cn8a will pass through the identified resistor in 5 seconds once thec gp3eeospna9,kl-8tycj8b 71yx5j nh()bz - 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 7kq6fcf ).jj9k6xuds )fd3y ein the following simple circuit have the same resistance, which would dissipate the greatest powek7) ecf3k)f.y6uj qdx69jd fs r?


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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 m-ui-3wt mg-wΩ resistor is 1.0 A. What is gm iw3uw-mt--the power supply 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 connected in series to a battery. jn1mkc7 qt24s 409nwg7pff6qm,bhq i Suppose R1 carrien74s7cm4nqfpi0 h kjm 2bt1,9q gwf6qs a current 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 connect9j4 *1rc*d dt*us4- fvbynaubv w1t1 bed in parallel to a battery. Suppose R1 has 2V across it, R2 = 4Ω, and R3 dissipates 6 W. What is the currersb *1-wt ufbdyb1avc 1d*9*jt 4vu4nnt 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 volts. What is the maximu9, hqedb8 c(gspc0 y4+ze cc.hm value z yphcbd4c,. + eh0s 9e(gcqc8of the 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 lightbulb designed to olj43r sw,c z)q3(wruhdm w08n perate at 120 volt u q3 )4rw c(wn38mzlhdw0jr,ss?

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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 dissip hasdo isza.cb(09d66ating 36 waazbs (h9 66dd .0icsaotts of 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 iron used to press clothes is marked "120 volt, 600 watt.” s :-vev)qx8 nevo1,r+)acs uz In normal use, the current in ivao1)u- cs:esq8) ze,vvxn +rt 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 f 7 hzefg 4(u:c02cqkqmollowing resistances could NOT be produced by a circuit containing only t(c qu:c40 eg7hf2kz qmhree 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 equiva(cm(pjj w1q:j *kczgz l84m1mlent resistazjc 81:pcj q*zmm lgwk(j(m41nces 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 conzmrkkmxl +.-9 nected together in different configurations. If all three resistors are used in a circuit, how many diflm+ rmz-k 9k.xferent 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,;opra(80 j v. cnnd;-w phu:wt 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 revd;t(j: ra;wnp 8pcuw0nh.o- sistance 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, havin sk3:gl4 ccs:vg resistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the resistances is corres :lc3:ks gv4cct?

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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 w bv0s430fgrvdhen operating at 120 volts. What is the minimum amount of time that it wou 0vsbd03 4vfgrld 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 kqe7iyf b 4fu9/-u bo* +2xgclflows through a 4 ohm resistor that is dissipating 36 watt b97e-4lo *gi/byc uqxkff2 +us 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 current when connected to 1/o k(o8p hhhnq(z pai 1.mkp7)20 volts. If ipz7apkpmh /nq1oo h()8 kh.(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 kee vu2 m/mrnoycz:r2 :u1x26qwvp a 100W lightbulb lit continuously2urxu v12ocz: / :6mrnvmw y2q 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 4.00 A through a lightbhn/t8 (+7js zwdu4ay nulb results in a power of 24.0 W associated with n74 wa yutj( /dn8hsz+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 owns a computer rated at 500 wattsib acnto/*6v h+*9 nsc 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 thehivcc6s bt/9n*o+n a* 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 connec+ s7igckny6l a2 u:xsa-i )3p*t p8bznted to four resistors to form a simple circuit as sugizspa-*+7) tka 3n:nyl6 8si2cb x phown 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 conp ak*f.t+wt+n nected to four resistors to form a simple circuit as shown to the rigafw+np*t. +t kht.
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 an-k;a w0fnqn sj:a3pp9usr556x g3e l rd three resistors are connected as shown. With the switch open as shown in the 5js6n0xgl3-9awpune :3 kr;rp f5 qsadiagram 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 a( tp3, usv.sejnd three resistors are connected as shown. With the switc,3t(svu. s epjh 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 sbp,zn 6a83ys gwitch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 ampere sa63,ypgnb z8s.
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, whats* lj xsb/bc;6c 8y9xxl-fil+ is the equivalent resistance? Assume that all wires are ideal, the battery has no internal resistance, and all three resisls*-bslb jl;6yfcxx/c i98+x tors 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 f-1 *ezlt lu4j right with resijl utf- le1z4*stances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 con;0rrs)3h mgroke -+t4ljtg* snected in a combination s 3)mt 4rs*ot;r k0 j+egrh-lgseries and 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 inp v (,gtgxbo;9e.kwa5 a combination series and parallel circuit to a voltagx5ka,b ;w g(etv.ogp 9e 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 circuixz c:v1ec u6ngrj8a 0p)d. mp1t diagram, all of the bulbs are identical. Which bulb will be the cargdp1z:)j cmx081 n 6vupe.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 switq;r+wceg/87-fk eov1 iv8c8aw wm.ex ch and three resistors are connected as shown. With the switch open as shown in the dia ixe/gcf7rew 8a8 8c+mw;v ke -vwq1.ogram 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 resi i19b jhn*n)fdstors are connected as shown. With the switch open as shown in the diagrd) in9jb1 nh*fam 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, q.t6yum- -; wanlz xo:a switch and three resistors are connected as shown. With the switch open nlmq.:w;x-a 6o-tz uyas 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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