Parallel Plates - 题库网 (tiku.one)

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 betw(p*ujg 27p-o2doz. ho *vh tjdeen 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 metal plat vt2-2uohhd. p*j *od 7(zpjoge?

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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 plapxwsk( pn/xq o f;0hu 2 ;j sqb;4qd:2hx;hwn7ced equal distance between two large charged mpw70 u2:hxj sq4h ;;h;koq2sfw xbnd (; xn/qpetal
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 capacitor are c 9nu0 ilb f7ogmt0*z4separated 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 experiences0lm*f4 0t9ncgb7zio u 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 released between the two parallel plates of the fullyk2t i k; keeqk:;kvs5nxk/(h79ugux + charged capacitor shown to the right. What would be the resuk2k; +k e /7:kik; 5et vxngh9qkuxsu(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 oppositely charged plates as shown in the diagryts/a. m(q ig5q 3chq+am. At which of the marked points shown in the diagram would a positively charged particle have the greatest electrical potential enm. +cts5q(3a/iqq g yhergy?

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