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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 chargyan5v e12ld56cbkr 0o y4x, uoe a parallel plate capacitor at a ratcrd uae0y6nyvo,b 5x 4k1ol2 5e 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 inz.*90p9crakppqj m1 g the MKS system, the unit for capacitance is written as whi*.p m zr19qpa90ck pjgch 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 plateu bdas-l*c:e ld-2q5e s a distance d apart are charged by connecting them to a battery of potential difference V. The battery is disconnected, and the plates are slowly moved apart. As the d*lc5s: e-l2beuda-q 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 charge20 i662 i6tk u6amckzodanky4d insulated plates have a uniform electric field between them. The distance betweeni y2ndt462m6kioacakk06 6 zu 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 aw4c* .okf7uq + jxz;qare separated by a distance d. They carry opcq;uf.azq7x*wok4 +j posite charges Q and each has surface area A. Which of the following would increase the 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 oppgk e jeux i+x1o./q9jtmj:b3,osite electrical charges each with a magnitude of Q. The plates are separated j uj9jqbmx te/ :eoi.,k1g3+ xby a distance d and each plate has an area A. 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 zmz5067dl qogg9; 7dznv4td jto a resistanceless circuit with a battery having emf E until the capacitor is fully charged. The battery is then disconnected from the circuit9d74z o;5mqz0v7gl nt6dgj z d 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-plck9 78frm.y8lq winmnr ) ind;:i3:l kate capacitor is connected to a battery. Without 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 capminy3ck iqi;rl d7:9 :rl8) m wnk8.nfacitor 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 accompanyk)qt ;5gg viq6ing figure. What is the current through the 300 Ω resistor when the capacitor is fully charg tk6qggi) 5q;ved?


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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 m56u d:rwjt5w 3.00 μF capacitor is fully charged at 18.0 μC. What is the value of the pom :wu6wr 5j5tdwer 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 connecte zhz 8w*kvo1ux, (stvxc9yuk),21t q ad as shown in the following diagram. What would be the total equivalent capacitance of the cir(,x,1u vkvxkuzz2 )oaq sc18w*h9ytt cuit?


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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 n:bfwz hk/gd t ap(w:z*i3,u6initially uncharged.
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 uncharged.1 -*yln5jekxz
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 show ztc-** m;kycwn, 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 shown reaches equilibrium, what is the magnitude6f-j.vjf8 qn p of the potential differencepq-vjn6f f8 j. 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 shown, both 8c khfjl*o0q7(e/nd gswitches are closed simultaneously. After equilibrium is established, what is the charge on the top plate of thc*l8 n0hf/( kqgjo 7dee 5 µF capacitor?


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