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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 t0azxbl;l01 d-0chrwis used to charge a parallel plate capacitor a0x d01ahb r-ct0;zwllt a rate 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 Sra96 3ul2a rze:s,bkpI units in the MKS system, the unit for capacitance is written as which of the fo:9 bzks2l,rera3u p6 allowing?

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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 d apa j)q/k1vc l7gx; qwj.ort are charged by connecting them to a battery of potential difference 7/gx) lqcq;1o .jvjkwV. 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 insulated plates have a uniform electric g1 k;ip,obo j9y m(mr;a6i8mgfield between them. The distance between the plat y6 big,;mgikmojpo(r am918 ;es 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. r /e1 vhcff7v9 They carry opposite charges Q and each has surface area A. Which of the followif9v 71c/hvfer ng 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 opposite electrical charges each with;htwohv7(d ywh1d u 8* a magnitude of Q. The plates are separated by a distance d and each plate has an area A. Consider t8h hd 1*o ytw;(wv7hduhe 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 to a(bqf gg5hk 6s. resistanceless 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 capacitor are mogs 6(qh5 bf.gkved 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 capacitc,t5ev+llk 3udk;1 wmor is connected to a battery. Without disconnecti5;1wlkuem, kt3vl+ d cng 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 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 curw rd+,zlv- d3krent through the 300 Ω resistor when td+3 r-zldvk,whe capacitor 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 circuithr/: nb)m(hky ggy 5yozae(e ,1b 2ql; above, the 3.00 μF capacitor is fully charged at 18.0 μC. What is the value of the power su51en:g2;q/ b(ma,(h blhkgozy )r ey ypply 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 capacitornc 8 -xi)*csvgw.qgfo3-juo1g-f q2es each with a capacitance of C are connected as shown in the following diagram. What would-iw*oqc-un q 38osgx2) 1gf-. v cgejf 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 hj1p5/ii itdv 5*gxy-the capacitors 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 tb xf49b9s 0mtkhe capacitors 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 circuve(isua 5 c0h;it 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 shown reaches equilibrium, what is the magni)lt e, l:mqtn3tude of the potential differ, 3e ltq)nlt:mence 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 ofg276jmw zk3:cp b :dpmw3ft4g capacitor shown, both switches are closed simultaneously. After equilibrium is established, w4mkjt c3g2bp:m gpw:f6 w37zdhat is the charge on the top plate of the 5 µF capacitor?


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