Electricity and Circuits:Parallel Plates - 无忧得胜-网上国际课程 (5edu.win)

?作业考试练习?美国物理杯赛(Physics Bowl)?Electricity and Circuits:Parallel Plates

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习题练习：Electricity and Circuits:Parallel Plates

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02.38: A$5×10^{−6}$coulomb electric charge is placed midway between two parallel metal plates connected to a 9-volt battery. If the electric charge experiences a force of$1.5 × 10^{−4}$newtons, what is the separation of the metal plates?

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02.35: A 300 eV electron is aimed midway between tw nm4b(6., d :pltui txl:fnxu/o parallel metal plates with a potential difference of 400 V. The electron is deflected upwards and strikes the upper platexpb/:dl6 tu.tm f, x(4lunni: as shown. What would be the kinetic energy of the electron just before striking the metal plate?

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00.17 An alpha particlec n::n5s8-qbk qmepe 3 and a proton are placed equal distance between two largen cme:p 8bqqk -n5:se3 charged metal
plates as shown. Which of the following would best describe the motion of the two particles if they were free to move?

A. The alpha particle will travel upwards with twice the velocity of the proton.

B. Both particles will travel upwards with the same velocity.

C. The alpha particle will accelerate upwards with twice the acceleration of the proton.

D. Both particles will accelerate upwards with the same acceleration.

E. The alpha particle will accelerate upwards with half the acceleration of the proton.

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16.25: The plates of a zj*xx2bg 4b*)s :erxl large parallel-plate capacitor are separated by a distance of 0.05 m. The potential difference between the plates is 24.0 V. A charge released from rest between the plates experiences an electric force of 1.00 N. What is the magnitude of the charge released between the pl2:zjlxe*bgbs4r* x) x ates?

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03.39: A proton is released between the two parallel plates of the fully charged: xsghl.i n0;o5; xx ,mlme98 3kdvdmum8:lnlmud m dx0 ohx3;sv x,kei;g.59 capacitor shown to the right. What would be the resulting acceleration of the proton?

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99.24: Consider the two oppositely charged plates as shown in the diag:0f4 7y3vbek :fcczgvdguv)qk0chn 8by- +s8ram. At which of the marked points shown in the diagram would a positively charged particle have the greatest electrical potential s ) 84ffnh:gb-kckcqbu073 eyv v+v08ygdcz: energy?