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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 of 6.8 μA is used to charge a paru7:g amg6snpj1wr19i syb8/ gallel plate capacitor at a rate of 8.4 volts per second. Ws /rguagji1 spnmwy:9b16 7g8 hat 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 e47yt 6n:t sc9laipxo o.8 tn9SI units in the MKS system, the unit for capacitance tlti 4cpe:s9t6a.89x yon7 onis 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 platep 03940)bsxcllcpb aos a distance d apart are charged by connecting them to a battery of pl0bc9l3x p op04s )abcotential 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 rxj9c g8( b x3;qunpj2insulated plates have a uniform electric field between them. The distance between the pl3bu 9j28x ;p(q cgrxjnates 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 carn frk9hapw- cn: 9(z9qry oppositenp c(9:qk n afw9h-9rz 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 opposite electrical charges each with a ziqx2ev+m;vm 4v40qo magnitude of Q. The plates are separated by a distance d and each plate has an area A. Cons4xq024+vm; vq zv eimoider 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 to a resi62,cpr v -drl*he9olestanceless circuit with a battery having emf E until the capacitor is fully charged. The battery is then disconnected from the circuh2relr oecd ,9v6-* lpit 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 disconnepei w3rwmd3qwc:tj/, n ruf e)8 y-g35cting 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 cwn wf,3d-5wgry mtr/ceuip8eq 3j): 3apacitor 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 curc6/s71 zfcklgl9r84(knjz rbrent through the 300 Ω resistor when lfc76 ( 4krczln9gj k8bsr/1z the 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 circuit above, the 3.00 μF capacitor is fully chargegv ,p v/ygar76uvc95ed at 18.0 μC. What is the value of the power supply67v9ve yp5v,g gu/ rac 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 mia: p1xycukofr:l40mj3phu2 h j0* 0C are connected as shown in the following diagram. What would be y3lxc 0:j i0jh4urokp f1h:0a 2pmm*u 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 the capacitors are bwm)3buy:og jy+9 t27rqf 6bvinitially 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 rx+63rcj m v4j85c3a ngl8o hfpxv7h,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 showq0(rpsb ,l7f.gjul xk/2 d3 dcn, 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 showocy36i4/t gp h79 dgwsn reaches equilibrium, what is the magnitude of the potential difference across the capacitcg/ 3g i74 wsyodh6pt9or?


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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,etq)d:lxi 87yn2vs :v both switches are closed simultaneously. After equilibrium is established, what is the charge on thedleq:sn xyi 8vv )7t:2 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
未答题: 已答题:0 答错题:
当前第 题,此次习题练习共有 16 道题

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