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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: 游客未登录  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 of10fg.nl; m i gsip3*iy 6.8 μA is used to charge a parallel plate capacitor at a rate of 8.4 volts per second. What would be the capacitance of the 0gis;3 p.y1mgn * liifcapacitor?

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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 fund .sz,l7x 6z+luyxa e9damental SI units in the MKS system, the unit for yez,6ls+9 7x .axu lzdcapacitance 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 a distance dgj .q/ -wr5b)-xu*g:ucvezmh apart are charged by connecting them to a battery* uu:r.gcvegzj--)b5h m/wxq 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 insu av3 )+yn x4pmv1au8c-e(lpmzlated plates have a uniform electric fie( l-n3p)m upv8c1 +eaa4 yzvxmld between them. The distance between the plates is increased. Which of the following statements 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 parallel plates are separated by a distance d. They cavgv+fk bs4 *+srry opposite charges Q and each has surface area A. Which of the following would increase the strength ofbvs+ g4s+vkf* 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 charges e,f; mh2jt,tlrach with a magnitude of Q. The plates are separated by a distance d and each plate has an area A. Consider t2jt; ,,lhrf mthe 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 6-xqr+qkzd u5 to a resistanceless circuit with a battery having emf E until the capacitor is fully charged. The battery +q 6qdxu5 -zkris 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. Without dy ,h993 cz4jr 5xxegkjisconnecting the capacitor, a student pulls the capacitor’s pr3x 5 ,4yhe9xjz 9cgjklates apart 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 i 0m qod+ li yy,i6*+awduy3di4s the current through the 300 Ω resistor when the capaci,io6myy+wi4d *l3dua y +0dqitor 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 charged at 18.0 μbn;0ooehdzvx 13eu6 + C. Whadu1 + hvz3xbo60 o;enet is the value 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 capacitors each with a capacitance of C are con0wemxcy i 5),qnected as shown in the following diagram. What would be the total equivalentw m,0ixecy)5q 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 unchazc b(j.* kuk3n)lpwm)rged.
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 capj4cc 3, r/7l( qepcftiacitors are initially uncharged.
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 circuitu u5x(d,pn7k z shown, ξ =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 shownn4*azs.y 1,xmpa0jto i j +p-d reaches equilibrium, what is the magnitude of the potential difference across the capapxmz .a d*j0t4 j 1-o,ipsyn+acitor?


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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 shown, both switche *tpmpeck h6, if7 qq-(aq9r6fs are closed simultaneously. After equilibrium is established, what is the charge raf - q*ppm6(f q6t h9,7keciqon the top plate of the 5 µF capacitor?


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总分:16分 及格:9.6分 时间:不限时
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