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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 exi3pd pqss4b,z 1g p1r9y yg-to-sts in the metal resistor connected to the battery. W3,o-1dp-tgp yg41py zs9b r sqhich 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 are connected in parallel, t. mo/ c;+.dx , +fz+oe8lw5dihkmzfjlhe_________each resistor is tf+cw5zd oo+mxe .+j8 .fi,/ l mh;dlkzhe 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 filarv+(ck f8 x /tb0q/qoqment to become white hoqc/+/ f8b(qrt0oq kx vt, 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 housenb6tf op0b, :ehold lights are being replaced with LEDs. LED is the acro bfpe,t0:n b6onym for which 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 L and cross-sect ot5; ab70us+dfjxvi+ys0 rf2a00m zfional 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 resistivity to the old resi0 vitm0sodf+jx0 bzrauy+f 05as 27f ;stivity 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,n*jac67wh qg5 dti pn(6s xdzc:h0*m. Wire II has twice the diameter and twice the length of I. * 6g*h(dsx:i6nn0ca7zjq,hw5 pc dt m 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 thei)bqk 0e*khe : diameter and half the length of wire X. If wir)e0bki *k:qehe X 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, n8sbk yc6xy2)xhjd 8 piece of material isx yhbys x6n8)d,c82k j then drawn so that it is a cylinder 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 make a brightfs,,3sn txat .6yzi nv/sztz/-t .4sler light bulb. He decides to modifylvzx/ntt63 /an,z-st,i4 .sy ssf zt. the filament. 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 ap *h:q+mlihwb86h up+nd radius of each rep8hi++wm u* :qbhp h6lsistor 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 szn+z73 xg0pmof resistance 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 in7pm0 zx3+znsg 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 internal resi+xu)gf fy1 -tsj7weo0stance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The+ 1-xyg0to7 fsfw u)je 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 t fa-n 2*h*( dps.4kztdg*n apuhree bulbs 1, 2, and 3 - represented as resistors in the diagram4d fdnp2ah -t*(s g*p*z.a kun
- 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 current jwi7 nu3 gvac/z1 g* g+/k9ovcin all three resistors is equal, which of the following stgjcu/v v +g*3719 z/nwkgi acoatements 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 /kg87ed+zjoat ts -lg- ud22mm)xzp4circuit composed of 5 idente7u 8 -2ajd+-p soxzgg)ztmt4 2dk/mlical 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 following statements is NOT true +bc3 sw0u:1stwqfcsm/ u d 9r(concerning the simple circuit scm+0cr:u fwdq t1sb3(/s9uw 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 batter(w.5zof mpse8ceo9 j4iq)ob8 y. Bulb X is brighter than bulb Y. Assume all circuit elements are ideal. If 4p(o) .8foe9 qijcwmsoe8b5zbulbs 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 g p 7qild06y.q+x 6vyfwill pass through the identified resistor in 5 seconds onceqi +v ly.6f7qg dpx0y6 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 ty:nc e*b5 6k1a,nscrbhe following simple circuit have the same resya1kbsn*,r :en6cb5 cistance, 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 /h94 ng3uzj( v wipag(j,e7cw6 n kx-y resistor is 1.0 A. What is the powwia(x(nyvj-egz / 6c phu gw749,k3njer 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 batteryz;t,jglr,; l ki jnt+3. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and n, lt;ktrij,;g + 3ljzR3 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 j4+tjwi zt8q21iw w ,tR1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V across8 +iww2itj tzt1qj, w4 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 ve7rfpfp+ 8-rmzyz qei9h0,)watts and 120 volts. What is the maximum fzi-r8 , +7f) 9ezphyeprq mv0value of 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 o9o(8tob4b xc45n iuj df a 60 watt lightbulb designed to operate at 120 voltst49o 5(i4bdb8n uo xjc?

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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 ; h-hmn)vzm;v iry.:74esi ea36 watts of pove4 .he;i:mmvz)h;ais7ny-rwer?

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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 vo wbma1vx zgp 79-k d:;2mfbbt:lt, 600 watt.” In normal use, the cur xb:wbt9vd:7kbm p2 g;-m1azfrent 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 produced by a circuit cf3j gu zm6a,0km (uw/containing only three identicala (mwf6 3,z0u/ujcmg k 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 h1tl dhg4e,bhgy,u-n: y.x+q resistors. Which of the following equivalent resistances CANNOT be produced using all thrle , hud qx.n yytg+gh:-1b,4hee 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 cov c/* i*mvjli2nnected together in different configurations. If all j *lvc*iv2/mithree 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 total power Pr: fos myqq4t :w qrt /mu*b7d6xf/*)au0:fcl 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? Assum:4ltbfa q dmo0t/*fu:)w/r6qc qyf x *rms7 u:e 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, hax4dm xbwbqrfw8 k7v44 t8x0* gving resistance R1 and R2, are connected in parallel, the equivalent resistance of the combination is 5Ω . Which of the following statements about the reb8wxw gk80*7r qt x44vxdf 4mbsistances 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 xh 27q7s; uqjt12Ω when operating at 120 volts. What is the minimum amount of time that it would take to warm 0.45 kg of water froh;j7 qs2qu7t xm $15^{\circ}C$ 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 dissipating 36 8+ze jig8 ai,jwatts of powej+ gz,8 eaiji8r?

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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 a dt4 l03v-3iivqw722uzvsz u 13 amperes of current when connected to 120 volts. If the price of electricityla2-732tuz v40zvd3sq vii wu 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 lighnwz nx9s 5 (7jd,o.nv+*lai jwtbulb lit continuously for 1 zv7* oj,n(sd.9nl w a5ijnx+wyear 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 4.0 e))y zo-qg8dk0 A through a lightbulb results in a power of 24.0 W associated with the bulb. Which one of the following choices best represenq oedk -gz)8)yts 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 comput0jrc v rf7zd-n7b,y0ber rated at 500 watts in a 120 V circuit. If all computers are plugged into a single circuit p 7b07dnfry -r ,bjcvz0rotected 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 resistors to form a simpllvpj-bdy7 3 u;bta; cq )cgkzs.0p.,qe circuit as ) bc. vb t;z3usl0d cy-. p,jap;gqkq7shown 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 connecter6)btj 2m6x xed to four resistors to form a simple circuit as shown r xjmb2ex)6t6to 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 ag09n70tga ce a du4me.mmeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 amper t c0eg9d7g.40an euames.
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 batterb5vbqbw (vj5yi+wun51u krqs6 ))6qp y, an ideal ammeter, a switch and three resistors are connected as showvw iqk+b)bu6 1vs w5b5yr6q)pu5 qj(nn. 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 switch7i utr/fdthc93 2rx9c and three resistors are connected as shown. With the switch o99trhiu2xc rf3 7c dt/pen 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? o3nnk-+t gxd 2bgeh8- Ae b og3dx+g -nkh8nt-2ssume 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 with res6: z *+y8sp/tajrpvbm istszmr*p8 /6a jby:p v+tances $R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 k/: zj qp,0pzr6e/ure connected in a combination series and paralleq ek0zzpu// ,perjr 6:l 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 ident,ld j;k 8 mz9nyd/id/tical resistors connected in a combination series and parallel circuit to a voltage z, 8tmnk;9dd dyjli//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 circ)ii8vv a3 jsuqgd3:q1uit diagram, all of the bulbs are identical. Which bulb will be the brightei3:av) q sd83juigq1v st?


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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,u 8 wb lg9p8t19ql3+qfugihy switch and three resistors are connected 8qp8y93u bglqhguw1f,i t9l+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, antoxsd nw do.9fjg4 :22 ideal ammeter, a switch and three resistors are connected as shown. With the switch opw. dg no2fd:j9 st4ox2en 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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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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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 b/vc9 wze-r,kk2fyj hx7*2liakcs;0switch and three resistors are connected as shown. With the switch open as shown in the dii2 ckaveh-ky *x ,js9b 2;lf7 kz/0cwragram 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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