2/75 Electrons are emitted at A with a velocity u at theangle 0 into the space between two charged plates. Theelectric field between the plates is in the direction Eand repels the electrons approaching the upper plate.The field produces an acceleration of the electrons inthe E-direction of eElm, where e is the electron chargeand m is its mass. Determine the field strength Ewhich will permit the electrons to cross one-half of thegap between the plates. Also find the distance s.mu? sin? 6Ans. E =s = 2b cot 0ebEb/2Electronpathb/2ElectronsourceProblem 2/75

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2/75 Electrons are emitted at A with a velocity u at the angle 0 into the space between two charged plates. The electric field between the plates is in the direction E and repels the electrons approaching the upper plate. The field produces an acceleration of the electrons in the E-direction of eE/m, where e is the electron charge and m is its mass. Determine the field strength E which will permit the electrons to cross one-half of the gap between the plates. Also find the distance s. mu? sin2 6 Ans. E = s = 26 cot 0 eb E b/2 Electron path b/2 A Electron source

2/75 Electrons are emitted at A with a velocity u at the angle 0 into the space between two charged plates. The electric field between the plates is in the direction E and repels the electrons approaching the upper plate. The field produces an acceleration of the electrons in the E-direction of eE/m, where e is the electron charge and m is its mass. Determine the field strength E which will permit the electrons to cross one-half of the gap between the plates. Also find the distance s. mu? sin2 6 Ans. E = s = 26 cot 0 eb E b/2 Electron path b/2 A Electron source

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter5: Electric Charges And Fields

Section: Chapter Questions

Problem 67P: Consider an electron that is 1010 m from an alpha particle (q=3.21019C) . (a) What is the electric...

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