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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 tv haz7 +g2ge/h 2u9nkxhe metal resistor connected to the battery. Which one of the following choices be v/2+h 7h9u2 gagkxnzest 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, the____.o-g.lk tiwcy)ufbj 2z( lbf0md8(8 p_____each resistor is thydzg(l-.wmubfb.(o)8l jptci kf 820e 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 oq0 21ji8 ju2 v,tc)l ngld;xjjf a lightbulb causes the filament to become whilg ;c1 lxqn)jj uji0t22v j,8dte hot, 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 househoy* r qy 2v(zch2an58gjld lights are being replaced with LEDs. LED is the acronym for which one of the followrvzq n 8jchyg2*a y52(ing 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 crogjvdx .5b4;6lck. avp*o)c3pu :k cya ss-sectional 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 resis a *.5kvxb vj:l .cc6dka pou)3c4;ygptivity 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 II has t,355jnmw f nmcwice the diameter anw35cjnmnm ,f5 d twice 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 made of the same material brqeqw:;s f/8x uu8l5e ut has twice the diameter and half the length of wire X. If wire X has a resistance of R then wire Y wru 5;8u:ewfqq sx/l8 eould 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 radiuspxda;m+eg+ wqvf-n; * r. This piece of material is then drawn so that it is a cylinder with new length 2L. What happens to -f;nvmg;e w+xa*pqd +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 brightrt1 trk6hjg+q 1z rmw2x x(h69er 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 voltagezx r1wmh9ktjr26g( rtqh1+ x6?


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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 thze92;sszc da1e same material. The length and radius of each resistor is:zsa; sd9c 21ze
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 resistorsj nz/9*ep6s bn)fp)pw, each of 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 th j6esbwznp/) fp9 )*npree 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 tqn:rea4p b:dw:7 22+mhemtn whe accompanying circuit diagram has internal resistance 10.0 kW and the ammeter has internal resistance 25.0 ohm. The ammeter reading is 1.00 mA. The voltmeter readi :t2m4 hd2new+7rpm an::qbew ng 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 compouns f16gl1fpp1c pdju 3)rt7g)nd circuit shown to the right. The three bulbs 1, 2, and 3 - represented as resistors in th7psdlg1 rptfn)1c)6gf p u 1j3e 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 nol :sa03e;mzcircuit at the right. If the current in all three resistors is equal, which of t0n3s: o; emzalhe 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 compos(m0.ad5z k nqped of 5 iz dqknmp(0 5a.dentical 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 conc eev3wt-p ;c vvwcpo;9v:j8r-erning the simple circuit shown where resistors 9-c-vevj3:p; veptwr wc8 o;vR1, 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 am-(-q3 zl ofrlre connected in series to a battery. Bulb X is brighter than bulb Y. Assume all circuit elements are ideq -l3lzmrf-( oal. 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 willh6 +o 6yc7t:hspk5o qv pass through the identified resistor in 5 seconds once the oq y: 65s7cko phv6+thcircuit 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 circu2zttoz fp ml nm59,pba)gem73 2d87xuit have the sa gpmo2adxtptn9m37z me 57, )zb 8ful2me resistance, 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,b3gqkq+kx 5: p the current through the 6.0 Ω resistor is x:3kp +k5q qbg1.0 A. What is 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, h;a4e l0bkf,lR2, and R3 are connected in series to a battery. Suppose R1 carries a current of 2.0 A, R2 has a resistance of 3.0Ω, and R3 dissipates 6.0h 4lb0;fla ek, 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 resi g-e)vdzx/ s3mstors R1, R2 andR3 are connected in parallel to a battery. Suppose R1 has 2V acr g) -mxsdz/ev3oss 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 vol7 a0t:5;jzz e j:bd.ae sg v*xlc(bdo+ts. What is the maximum value of the currebt;g7 .b+0vde :zzj: sjaoae*5xl( cdnt 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 res4pjvrl00g) ogistance of a 60 watt lightbulb designed to operate at 120 vol0pgg0ol) vrj 4ts?

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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 dissipatqzo x5 dwbv4x6um+9 :ning 36 watmv4n b xd+uqz9w:6o 5xts 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, 6004;py1mkn/t on 1ktch ( watt.” In normal use, the current in it hmnk n;(cyt4o11p/ kt 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 foll .nrfeeel0,6 jowing resistances could NOT be produced by a circuit containingenlf 0.er e,j6 only three 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 5ny/q de;mt+c -q1dzoequivalent resistances CANNOT be produyen/m1oc +t;qqd-dz 5ced 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 toge /++z gwsmi9mc (by**(rgljz dther in different configurations. If all three resistors are used in a circuit, how many different* /9sgmdbly +mw(iz *g+czrj( 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 resistohu ; 99d6tc8kh i,f6ss+mkxaor is 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 using the same battery? Assuso8kd+ xh6if96a uscm9k;t,hme 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 resistance R1 and R2, are connectswh*gcg.v1nbux ag*b ) i- ;)yed in parallel, t)gnh ac-w* * vbg1ugixy. s)b;he equivalent 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 12Ω w bhr*5i4r 1soghen operating at 120 volts. What is ths rh*1b5 iorg4e 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 b4 uyb(m82tvh ohm resistor that is dissipating 36 watts oft (4y8buvhmb 2 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 connecteol i ;t1 7ot83imod7nmd to 120 volts. If the 8 m7idoolo37 ;mnt t1iprice 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 m1m :tht .fkv0 ee03slu+ lik9fuch would it cost to keep a 100W lightbulb lit continuously forklhf ietv00 fk1sul.t9 :m+3e 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 40:,bgqo,*dt 1iq qj4dpx f+oa .00 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 resistandoqx td:+0,b*, ag41f i poqjqce 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 watts in a 12x:*kccfh 9 yu)vm* b8bp)r0l d0 V circuit. If all com fr)*)*0:u9ycdlbx hk8pmcb vputers 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 fou)99u tn*ja q fywks*q9r resistors to form a simple circuit as showkj q s 9a*fwuty9)9nq*n 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 toq (r2k/: h:j o*ky djq:1k-;wll lenob four resistors to form a simple circuit as shown to the lqow/*; bk:y(j1enjkhr qk-:2lo d: l 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 ido jjg ;b5u.2vgeal ammeter, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads ;5 j.gju2bvog 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 2qtbj :6rips*rk 90c fresistors are connected as shown. With the swit2 crb6f0rk9i tj:q*spch 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 and three resistors aregdb03b9-ica, zc y.xmb3 6ihz connecia ,mcg9 c3-z.xbbz03 ihdy6bted 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?


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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 ibpjj0h04 rd2.ia7fla.i t*e resistance? Assume that all wires are ideal, the batte0e2i h a0fji*paij dlrbt..74ry 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 2t8mpmlk-j5f9) j otw of the circuit shown to the right with resistances otmf-9)mjlp82 kwj 5 t$R_1 = 4.00Ω$ , $R_2 = 3.00Ω$ 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 connecteqt2e xk90mh,xm* q0/u o zx1kzd in a combination series and parallel cir 0h9kmeuzx *k,tq1q0x/ m2o zxcuit 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 resistqr, *r4 1is3tv uukk.4(krdubors connected in a combination series and parallel circuit to a rd 3qvbr ,4uukt4k( ui*.s1rkvoltage 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 diag;9pbqq 9alto(ram, all of the bulbs are identical. Which bulb will bb a 9p(ol;9tqqe 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 ammetpo,iea verrf 34ka,k4:e9)g ger, a switch and three resistors are connected as shown. With the switch open as shown in the diagram the ammeter reads 2.0 am9r4 r4kka pioe,e:a vg f)g3e,peres.
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 idc3ebyi,-sjlchrq4ko5* 8(1cg omj u -eal ammeter, a switch and three resistors are connected as shown. With theqo1j sb8icejku( yc5m,g*-4rh- 3 col 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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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 resistors are con s ;rv-6kso/odj:ody4nected as shown. With the switch open as shown /vyrks-6:d4j;d oo o sin 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:    
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