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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 plate cao2j nu83w k-e*f*37yc ;p )qdt ifzlagpacitor at a rate of 8k o yffu)a78zcn3-jwe*23;qp*lg idt.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 in the MKS g ;1bh/ +kd46kerszj 8lgt x2tsystem, the unit for capacitance i +b s2lkgkz4eg6;d 81/rthxt js 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 platesn(ygvtf7yr h+9x7o2jbnf vxl0 lg693 or3p0r a distance d apart are charged by connecting them to a battery of potential difference V. The battery is disconnected, and the plates are slow76rt9xnl by (v372op3 g0xfy 0gj9fvnh+or lrly 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 hsq hp5 fwqa15 -3d /(xd.hgtftave a uniform electric field between them. The distance between the plates is increased. Whigqtf s1h5d3ph(t-fw/.xqd5 ach 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 ari -0vrkjmh h 2e9;mq+kkk,; pye separated by a distance d. They carry opposite charges Qk m0- ey9 h;p;i2hvkrk,kjm+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 oppozgkk/jkzxmf mj/ o*91t o/41jku99f asite electrical charges each with a magnitude of Q. The plates are separated by a distance d and each plate has an area A. Consider thjkz1/9 k4 fa91mf tou9mxjgz/ok/ kj *e 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 conn c9yg cwkzk4eq9q(4v+zaa(x.ected to a resistanceless circuit with a battery having emf E until the capacitor is fully charged. The battery is then disconnected from the circuit a4a9w9qcq.xg ( zzeck4yva k( +nd 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 disconnen .drx9ay96a/ws 3 ztecting the capacitor, a student pulls the capacitor’s plates apart so that the plate separation do rs tz693.a/exya dnw9ubles. 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 current throu 5fx;ypntw*-s0 s0pafgh the 300 Ω resistor when the* xfsn5- sfp;w0t0 pay 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 charged at l/b.ut.sz5jp*0 a7 gth 6smvn18.0 μC. What is the value of the power supply voltagev0bts*/l.hn 65j az p gstmu.7 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 w gghb.*)q aig-59gers ith a capacitance of C are connected as shown in the following diagram. What would be the total equivalent capacitance of the cga9 -g r5*q)igsbg .ehircuit?


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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 capag-i 7mb*h ar.(3fqz jccitors 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 initially uncharged. ze/xyuu-19mrt:o vr (nyk w 98
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 =6k cie j yzx.8r7n9pz n/8g m3x0ur.4jv.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 circu9 djjn+pbk. l:it shown reaches equilibrium, what is the magnitude of the potentialj:pb9.dk l+nj 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 configurbv1;.18 c dgxk.utmpdation of capacitor shown, both switches are closed simultaneously. After equilibrium is established, what is the charge on the top x;. dmu gdk18 .tcv1bpplate of the 5 µF capacitor?


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