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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 tob,x)en /a 2zmf*3iwhy charge a parallel plate capacitor at a ratye2f z w*/m),in b3haxe 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 theb1tzu )nsse+ii ,l; 4d seven fundamental SI units in the MKS system, the unit for capacitance is written as which of the follos4 dei+s bn1;uz ,tl)iwing?

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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 apart are charged by cvml+*dgh mzs)pzw 6 *mfx1h0 3onnecting them to a battery of potential difference V. The battery is disconnected, and the plates are slowly moved apart. As the distance between plates increases:g0dp zhvm +ms h)mf*x63zw*1l

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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 / yn fdd) 4)ts5y x3l-fbf-soq:+ef32 mqstxza uniform electric field between them. The distance between the plates is increased. Which of the et-tnxd)m3+)/z f53sylqosdf-s2yqb f:4fxfollowing 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. qe;ufvbd r8* / They carry opposite charges Q and each has surface area A. Which of the following would increase the strength of the electric rufb/evd8 ;* qfield 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 wi jw2p r+(pij 09igeea;th a magnitude of Q. The plates are separated by a distance d and each plate has an area A. Consider the foll;rpijip9gw aj(2e +e0 owing:
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 resil1k5+z l4a0clqi( fca stanceless circuit with a battery having emf E until the capacitor is fully charged. Thea+ c0zll5af 4k q(lc1i 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 t l9 u1:+ j2xvyptvq+nto a battery. Without disconnecting the capacitor, a student pulls the capacitor’s plates apart so that the plate separation doubles. As a result of th yx 2+vjup+vqtn1 l:t9is 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 throughg, g2fyj t w khyqa8prz25 .ub*;8i9gk the 300 Ω resist29b*.8y f ya;2h5pui rt z8jwkgq g,kgor when 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 v9s 0+v, +serbo 0tifmhn). tbabove, the 3.00 μF capacitor is fully charged at 18.0 μC. What is thb n+0v.+s obtsrf 9iemh,) v0te 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 capa eb:..f xd4fzkcitors each with a capacitance of C are connected as shown in the following diagram. What would be the total dz:.fb.ekx 4 fequivalent 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 cv e 01x:f81 avzru(iakapacitors 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 capamf:z :b,b 5/ 4; pzye5rgl-gcpobwaw 8citors 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 sz9z b2 0j22 iah7rwf (tdaip0vhown, 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 circuib+vguat)w 9 e4xzx1 3ru1 ekg(t shown reaches equilibrium, what is the magnitude of the potential difference acr 3rk+eex)gx94bzw ta (11uu vgoss 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 of capacitor shown, both switches areo+ f5w(w8wrqh closed simultaneously. After equilibrium is established, what is the charge on8w f+o h5q(wrw the 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
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