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 l)f*jmd)(hxy midway between two parallel metal plates with a potential difference of 400 V. The electron is deflected upwards and strikes the upper plate as shown. What would be the kinetic energy of the electron just before striking the metam(dj*)xl y)fh l 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 betwe3g1ai-t iy k-nen two largegkn-ia1 y-it 3 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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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-plate capac do4cb2ofu 3zuhwk6,9cf3z1c itor 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 plauo2c o6fc3u4wd3kfc bz9h,z1tes?

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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 released between the two parallel plates of the fuouia jyjnr16:yfl1tz p) 0 gt79bc33o lly charged capacitor shown to the right. What would be the resu0 :f91i1yol3zpa)63jjbt7 oytr gnc u lting 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 oppos,u7t8-m m*an n(ziw ggitely charged plates as shown in the diagram. At which of th(u8 z -w7gmingmt*n a,e marked points shown in the diagram would a positively charged particle have the greatest electrical potential energy?

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