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习题练习:Capacitors



 作者: admin发布日期: 2024-08-22 20:08   总分: 16分  得分: _____________

答题人: 匿名未登录  开始时间: 24年08月22日 11:00  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  
  04.36: An electric current of 6.8 μA is used to chato4m*b5yyct 8g71 uqf rge a parallel plate capacitormyq t85*u1 gcty o74fb at a rate of 8.4 volts per second. What would be the capacitance of the capacitor?

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  10.36: In terms of the seven fundamental SI units in tnxvrk7s1.jusr pw217he MKS system, the unit for capacitance is written as w1 n2xrkvrjsw7p7 us1.hich of the following?

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.29: Two large parallel plates a distance0wns ea/*wn;s d apart are charged by connecting them to a batterynsaw/n e w*s;0 of potential difference V. The battery is disconnected, and the plates are slowly moved apart. As the distance between plates increases:

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  97.34: Two large oppositely charged insulated plates have a uniform electric+h.ll2t9o d)ooqf3x .szc+cx field between them. The distance between the plates is increased. Which of the following statements fq+x.hz. lcl9ts32do )coo+x is true?
I. The field strength decreases.
II. The field strength increases.
III. The potential difference between the plates increases.

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.37: Two isolated para,pllbd zu2, s(llel plates are separated by a distance d. They carry opposite charges Q and each has surface area A. Which of the following would increase the strength of ldlp2zu(,bs , the electric field between the plates?
I. Increasing Q II. Increasing A III. Increasing d

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  00.18: Two parallel metal plates carry opposite electrical h:ex/ j9b8zu ta 4 ute;+t9xghcharges each with a magnitude of Q. The plates are separated by a distance d and each plate has an area A. /g89xjht euzx+t 4a;:hute b9 Consider the following:
I. increasing Q II. increasing d III. increasing A
Which of the following would have the effect of reducing the potential difference between the plates?

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  02.39: A parallel-plate capacitor is connected to arg67up-oq3oc3 cs05f cuu4 ht resistanceless circuit with a battercftc43u5sh6u-q g703 orpouc y having emf E until the capacitor is fully charged. The battery is then disconnected from the circuit and the plates of the capacitor are moved to half of their original separation using insulated gloves. Let $V_new$ be the potential difference across the capacitor plates when the plates are moved together, $V_old$ be the potential difference across the capacitor plates when connected to the battery. $V_new/V_old$=?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.42: A parallel-plate capacitor is connected to a battery. Wi. qpas w0n1s)q)5f5abm 6le ebthout disconnecting the capacitor, a student pulls the capacitor’s plates apart so that the plate separation doubles. As a result of this action, what happens to the voltage across the pq wsf1ma0le)e a655.) qnbsbcapacitor and the energy stored by the capacitor?

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  96.31: See the accompanr. -r3/smqiu jying figure. What is the current through the 300 Ω resistor/q3jiu.- rs mr when the capacitor is fully charged?


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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  98.39: In the circuit above, the ffx;*)e p o10 hqcdbt03.00 μF capacitor is fully charged at 18.0 μC. What is the valuefp)bq1dtxf0h;c o *e0 of the power supply voltage V?


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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  01.19: Three identical 5hw+dovxg3p o nf,(r8capacitors each with a capacitance of C are connected as shown in the following diagram. What would be the t5or(n,fw3h+vp g8dx ootal equivalent capacitance of the circuit?


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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.43: Assume that the capacitors are initially unch3vvi ,uievc;n,h; er/ arged.
At time t = 0, the switch S in the circuit is closed. At that instant, what is the equivalent resistance ofthe circuit?


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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  04.44: Assume that the capacitors are initially unchar asq;i9n,s)78dv abzhged.
After the switch has been closed for a long time, how much charge is on the positive plate of the 3 μF capacitor?


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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  08.31: For the circuit shown, ξ badsn 4k/r/csz5b8xl x k- e1md-eqe, +bx7l8=6.0 V, $R_1=7.0Ω$, $R_2= 3.0Ω$ ,$R_3= 6.0Ω$ , $R_4=12.0Ω$ . After operating for a long time, equilibrium is established. What is the voltage across the capacitor at equilibrium?


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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  17.47: Once the circuit shown reaches equilibrium, wx8jikn* /t;dfxdnai 4) :cqn(hat is the magnitude of the potential differencekcdd/*tn; fix4j (8 a)xqnin: across the capacitor?


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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  05.48: For the configuration of capacitor shic .ixgsvw*pyv5mp / 45z7jp +own, both switches are closed simultaneously. After equilibrium is established, what is the charge on the top plate of the 5 µc5gi5+/m vy pi7wxpjs z4*p.vF capacitor?


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