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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 ofnz ;g5mtx03e 8q7oyp g 6.8 μA is used to charge a parallel plate capacitor at a rate of 8.4 volts per se5e mz08o73ng g pxt;qycond. 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 systkzdaq* z 0v*g1+t e2g,ejl5 qb k0dfj;em, the unit for capacitance isj1z2tk0;*z j5dbk l fv*+qe,ag 0gq ed 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 dn ss+7:8vg 3ladtc s1uistance d apart are charged by connecting them to a battery of pvt n3s 1g7d8 au:slcs+otential 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 insulai6l j5gz re ,khb zjvs1*)o4i0ted plates have a uniform electric field between them. The distance between the plates is increased. Which of the following statements is tr j )lz0jg4b5khei1,i6sv oz*rue?
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 carrwbd2 enu02fpg 3co m6y:w q)+py opposite charges Q and each has surface area A. Which of the following would increase the strength of the electric field between the p2pn3g e dw fwb):oc6p+uq2my 0lates?
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 n6 t)(nb1c/x3fk qgcgelectrical charges each with a magnitude of Q. The plate nbt 1f6cgc/nx3)(kgqs are separated by a distance d and each plate 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 capacitor is connected to a resistancelel.jg9w )u be8bss circuit with a battery having emf E g9ebu.l)jb8wuntil the capacitor is fully charged. 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 capacitor is connected to a batt kqz,p:1 lfp p3dedhmh (as0 u-:.so2xery. 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 voltagms hf0dpadh:p (kl1.ze :,s oq3x2p-ue 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 accompc 0)porpnteu 40cf23qanying figure. What is the current through the 300 Ω resistor when the 3cofce4t)p0q 2n0 r up 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 18xuq c66 qhs(+;(eojmm ba9fr..0 μC.ob(e mf;qq(h9rcxsm6j+ .a6u What is the value of the power supply 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 capacit-t(0bb lylw6h ance of C are connected as shown in the follow -btb6 (lhl0ywing diagram. What would 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 thebhv+;t**n j ln 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 the capacitors are in xaetyp-5ywhqy, t 8qk0qk +k y/*7t,uitially 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 sho )++9wl j0ceeo;eqng qwn, 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 magnitude o37tx: a f8gxkvf the potential difference across the capv8g7 x 3kt:xafacitor?


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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 ofa2l-yos l +xy /hy5dq, capacitor shown, both switches are closed simultaneously. After equilibrium is established, what is the +- day2l/loxh5s,yyq charge on the top plate of the 5 µF capacitor?


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