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 betwiv0+3 2pmledr cw1j9t )ui+ib een 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 thei)iwmlj p e3 10bv9ruit +cd2+ 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 aotah3ng2jf)fp7+z2ck0g0n 1 ,ix9 def6 us o mre placed equal distance between two large char o a gmke)9gnfdf0 suopnh+236,xc 27tjzf1i 0ged 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 caph. mdac9h5 xve17s b (mch0+adacitor 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 1h1h+50 .9d bhx(7deacvsamcm.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 released between the two parallel plates of the fully chhq psbm;/5uddv.8zw8( a: xwjarged capacitor shown to t ;8w da(mqu 8xj. pwdhs:/vbz5he right. What 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 g5/p u 48naah;lh mnag 9wh;o6oppositely charged plates as shown in the diagram. At which of the marked points shown in the diagram would a positively charged particle have the greatest electrical potential paa ;h6hna/ ;9nuh4o8mg5gl wenergy?

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