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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 charge kd3l gtl5e g(4a parallel plate capacitor at a rate of 8.4 volts per second. What would be the capacitance of tg 4(lglte5 k3dhe 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 un d7zsy 95 jwbh1btb)8lit for capacitance ist wh9 bbsjy1d5z)87lb 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 5y jbrhos 70;sd apart are charged by connecting them to a battery of potential difference V. The battery is disconnected, ands;7 hobjr0 5sy 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 wa;pqp :p(mh k7*m/a ia uniform electric field between them. The distance between the plates is increased. Which of the following m;( ipa/7mq*h :akppw 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 carrdof+u arh,04omz o+ b;y opposite charges Q and each has surface area A. Which of the following would increase the strength of the electric fieldr; 4 fmzo oua,h0b+o+d 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 eacasoambha6:(;kg,w t: h with a magnitude of Q. The plates are separated by a distance d and each plate has an area A. Consider the followinm6 k:ha:gawo(t;b,as g:
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 connectfz9ps )0noojx itl:17-h e ia(ed to a resistanceless circuit with a battery having emf E until the capacitor is fully charged. The battery is then disconnected from the cir7zjo-(i i0ae 9olft)xs1:h np cuit 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 :1fo g,jhcve0t p:z 7sa;ns.: d*fg ynvfp1k8is 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 capacitor an*1y f 8d 7ff:vhz.sn o,1:pap0gjnvg tckse;:d 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 through the 300wrid py01o v-3m6v d8p Ω resistor when the capacitor is fully charged? 3pv8m16rpdo0v dw-i y


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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 ixqkxh.,es/z :kj*p8i s fully charged at 18.0 μC. What is the value of the power supply volk, 8z*qj.pk /exxs ih: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 c 6mov)w9am; j4yxkg7bapacitors each with a capacitance of C are connected as shown in the following diagram. What would be the total equivalent capacitance of the circuit? ;g mmkob6w)7 9xyjv4a


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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 capacit1 )b3s;a (3xgte6bxib xq5 s3l2ovynjors are initially 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 )t0qaiym y khtxj/c:*tuc);dok.l8+ 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 circuit shown, ξ =6.fv:7)1b t jmh 3hi8qj;0ezddr 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, wha 0(rmkjpuqfj v82x+z5 ju8,n bt is the magnitude of the potent+vjx fupjr2 z5mjb(,uqn0k8 8ial difference 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 configure 0q8ct.ucl7cation of capacitor shown, both switches are closed simultaneously. After equilibrium is established, what is the charge on the top plate oec.8 7 qctlc0uf the 5 µF capacitor?


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