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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 chargajc hpk25i ukr ( ij6/3x1ogicth6 cnw ;..x*ye a parallel plate capacitor at a rate of 8.4 volts per second. iakc .wkotji ;ycg c5j*.x hh(n6/xp16r 23uiWhat 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 0c6e-gi,cz + e.u34rez ,awly t7mbywSI units in the MKS system, the unit for capacitat.,elw 0 +umyag,cewc -6r 43zbize y7nce is 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 distance d apart /taa5-*bhkgct 0 l d.aare charged by connecting them to a battery of potential difference V. The battery is disconnected, and the plates are slowly moved apart. As the dt/lat.*dk05ah-b c ga istance 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 oppositlxypz8b :k2*u8xaul . ely charged insulated plates have a uniform electric field between them. The distance between the plates is increased. Which of l.x 8z a l:2u8ub*xkypthe 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. The d ,npd7gjqcblm60t5 p:jh()by carry opposite charges Q and each has surface area A. Which of the following would increase the strenjdtgm )(pq5n7 ,bpl6 :jh0bdc gth 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 ezealdjga ,z + h7/xly*57 x)uiyetw 83ach with a magnitude of Q. The plates are ly7 jy*a)7di/w,e3z8+ xteug5hazlxseparated 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-plabx /o 3axn-bys 4y)yo8te capacitor is connected to a 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 moved to half of their originxos-)4 ya ynby/3xo8b al separation using insulated gloves. Let Vnew be the potential difference across the capacitor plates when the plates are moved together, Vold be the potential difference across the capacitor plates when connected to the battery. Vnew/Vold=?

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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. Wii:) 3u-1h ydf kljc5gzthout disconnecting the capacitor, a student pulls the capacitor’s plates apart zu-:k53id ch gj)f1ylso 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.3xx1jka 0ue; b What is the current through the 300 Ω re; jube0ak3 x1xsistor 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 above, the 3.00 μF capacitor is fully charged at 18.0 μ49qiy e d/a9xm2sdb y7C. What is the value of the power supply voltage Vqd2a e9 ymisb/9 y47dx?


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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 wit4ne; ii1mf8 + uon7gk16o*e iyzxcus ,h a capacitance of C are connected as shown in the following diagram. What would beiu,o iomen1s;gnc 1z7ef+ i x y64k8*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 initially unch4mn 4,tnp0fln arged.
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 capaqc3b, rq k-tv/d)hr7ucitors 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 shown, ξ =6 t-- ov)ssdwqfkf6:j 6.0 V, R1=7.0Ω, R2=3.0Ω ,R3=6.0Ω , R4=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 reach.jx b5xg +o b)d/k2hsh9/ksrfes equilibrium, what is the magnitude of the potential /ksbg)5.h f9rxbso+khd / x2jdifference 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 of capacitor shown, both switches are clos 4wlsl;qcfuqal 5z- kk*ep5bn a4jbz2d2 * i/)ed simultaneously. After equilibrium is established, what is the charge on the top plate of4 /kl uk5)*f cz*bj2bnaqa24 ;el ipld-5zw sq the 5 µF capacitor?


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