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

1#

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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2#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

02.35: A 300 eV electron is aimed midway between two pa0wrdb.0e71 x w kiey7es3n4fhrallel metal plates with a potential difference of 400 V. The electron is deflected upwards7yihwdb4 w0nrf x7 1ek3e 0.es and strikes the upper plate as shown. What would be the kinetic energy of the electron just before striking the metal plate?

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3#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

00.17 An alpha particle and a proton are placed equal distance between t+v9hklvx el1n t/q;6qw; zq6 lwo large charged metal xq 6w1ehn/zvqk l llq9;tv6;+
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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4#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

16.25: The plates of a large parallel-platsg akx2 xe+92a w0j3unbrv1 x/e capacitor are separated by a distance of 0.05 m. The potential difference between the plates is 24.0 V. A charwuvb0n erxa32+jksx12/agx9 ge released from rest between the plates experiences an electric force of 1.00 N. What is the magnitude of the charge released between the plates?

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5#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

03.39: A proton is releas1mcxv b4plyle.krwx6 yw/; )9ed between the two parallel plates of the fully charged capacitor shown to the right. Wha.9 6cxlwp kmbryl4yx/w1e)v; t would be the resulting acceleration of the proton?

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6#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

99.24: Consider the two oppositely charged platepol* . 7vio jdk3kwm6p b+bs0n9 6fwa7s as shown in the diagram. At which of the marked points shown in the diagram would a positively charged po 7k 6wspn+modbk9jw*fail6.0 vb7 3 particle have the greatest electrical potential energy?

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