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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,* 6dg5 )fjxbqyo -crzz*t(hu.8 μA is used to charge a parallel plate capacitor at a rate of 8.4 volts per second. What would be ty q6*xg ),j-udtoc5*f( bzhzrhe 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 the MKS system, the 43d6js6ihpwko3 1wl d unit for ca34h pj 6wd 1s6i3lodkwpacitance is written as which 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 aaafvc4/zkvk* 294ba u distance d apart are charged by connecting them to a battery of potential difference V. The battery is disconnected, and the plates are slkvv42u /kaabf4 ca *9zowly 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 charoix;:ny2gks3 0r u.zwged insulated plates have a uniform electric field between them. The distance between the plates is increased. Which of the following statements is trues kr;zx 0wi.:3uy2nog ?
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 parallel p* h-lmnzx81p,i8aro o lates are separated by a distance d. They carry opposite charges Q and each has surface area A. Which of the following would increase thr,ozpi8xom* l n-a1h8e strength of 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 electr sau au8 (o,jnt(m+7jo-+mqysical charges each with a magnitude of Q. The plates are separated by a distance d and each plate has an area A. Consider the fa8m,u ujtjqs -oasy +m7n( o(+ollowing:
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 a resistanc6 :s4nvt / goj2w9elixeless circuit with a battery having emf E until the capacitor is fully charged. The battery is then disconnected from the circuit and the plates of the capacto6gx: / wj942vlens iitor 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 cg(d o.0+s;eks kny n+e/wjcc3apacitor is connected to a battery. Without disconnecting the capacitor, a student pulls the capacitor’s plates s 0 3c.ed+/ +nk(gekcjoy; swnapart so that the plate separation doubles. As a result of this action, what happens to the voltage across the capacitor 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 accompanying figure. What is the current througle5og +smbl -3gm6(nc h the 300 Ω resistor when the ca(6gbsgl onme5+c l3-mpacitor 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 3.00 μF capacitor is fully chargedp8akr rg6pn0 + at 18.0 μC. What is the value of the power supply volrapk8 grnp0 6+tage 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 capacitors each with a capacitance of C are c vq27 *g9v) ax 6lmkyanmcv/(0ou:bpjonnected as shown in the following diagram. What/n0 gv:6vmy9kv( )jo 2 acpu*lbxaq7m would be the total 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 unchars nh:8ps; xh4cged.
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 uncs,tgr)1k8w0zq9xw i nharged.
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, ξryzv 8b,+ x4ip =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 show;e/n1r 7 0x:zwsqvyii n reaches equilibrium, what is the magnitude of the potential difference across the capacitor?i710:zy ei r wqx/;vsn


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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 shio0wl :sgm6 h* mrly n a:ky+:eguf7.,own, both switches are closed simultaneok0w gmy* nhfg6:i:+yo7 sl.uae,mr: lusly. After equilibrium is established, what is the charge on the top plate of the 5 µF capacitor?


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