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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 a parallel ft*h +lfh ;ai(plate capacitor at a rate of 8.4 volts per second. What would be the capacit;*aih +f( flhtance 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 se:4ncz q vq;:nrven fundamental SI units in the MKS system, the unit for capacitance is wz v:qnr; 4:cqnritten 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 distanko/4za er d:jkm/ vt:1ce d apart are charged by connecting them to a battery of potential difference V. The ode/14jk azrk: vt/:m 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 ak 0w7ju,e aof4+dkptm +ukk78wfw a9) uniform electric field between them. The distance between the plates is increta7 ojuaw9wk),p0f4w7+ k8kuk f md +eased. 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 para)l zr6uq dl((7e wbtqc.o1w5xllel plates are separated by a distance d. They carry opposite charges Q and each has surface area A. Which of the following would incre5.e7dw c(u61ro q lqw(b)zlt xase 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 opposite electrical charges each w3t*kp gju 0ls8. :yvxb0bao5tith a magnitude of Q. The plates are separated by a distance d and each plata5 gbol x0t8*vy:skujt03.p be 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 capaz m f8qblt 2fc7uzcezs)9e** 7citor is connected to a resistanceless circuit with a battery having emf E until the capacitor is fully charged8 e*lqb*ct)f7e2 zz7ms9fzuc . 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 capacik mi) *ko9e,mytor 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 hai om*9ymek,)kppens 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 curroq3 r5w7 zxu.50le. g uczqjc;ent through the 300 Ω resistor when the capacitor is fully chargl z .e5 jouqc5.wzc;uqx 3rg70ed?


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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 fullw3dk.c4x om8q y charged at 18.0 μC. What is the value of the power supply co3x 4m k8.dwqvoltage 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 identica09qm rri)nm3p l capacitors each with a capacitance of C are connected as shown in the following diagram. What would be the total equivalent capacitance or)p 9qn3m ir0mf 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 iwhwh :))+.i fcv 7xoeenitially 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 g3r68ns /uw/ 6gk+fippgve5 p 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 circuit shown, ξ k1fk 1i; fsv; 5hepg76lp2k sdy-hc0s=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 reaclp6jbfw) j+ yb ed+j6 (e:pc8bhes equilibrium, what is the magnitude of the potential difference across the ca6d8bb(elfj wy bpjecj+)+6:p pacitor?


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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 szk-ya-/ j q:ijk; - 4vpecn7mrwitches are closed simultaneously. After equilibrium is established, what is the charge on the top plate kzji-:4;mkeny7v-p/c j qr a- of the 5 µF capacitor?


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