College Physics
1st Edition
ISBN: 9781938168000
Author: Paul Peter Urone, Roger Hinrichs
Publisher: OpenStax College
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Chapter 18, Problem 53PE
A simple and common technique for accelerating electrons is shown in Figure 18.55, where there is a uniform electric field between two plates. Electrons are released, usually from a hot filament, near the negative plate, and there is a small hole in the positive plate that allows the electrons to continue moving. (a) Calculate the acceleration of the electorn if the field strength is 2.50×104 N/C. (b) Explain why the electron will not be pulled back to the positive plate once it moves through the hole.
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A simple and common technique for accelerating electrons is shown in the figure below, where a uniform electric field is created between two plates. Electrons are released,
usually from a hot filament, near the negative plate, and there is a small hole in the positive plate that allows the electrons to continue moving.
(a) Calculate the acceleration of the electron if the field strength is 7.53 x 104 N/C.
A simple and common technique for accelerating electrons is shown in the figure below, where a uniform electric field is created between two plates. Electrons are released, usually from a hot
filament, near the negative plate, and there is a small hole in the positive plate that allows the electrons to continue moving.
(a) Calculate the acceleration of the electron if the field strength is 2.33 x 104 N/C.
m/s?
(b) Why will the electron not be pulled back to the positive plate once it moves through the hole?
O The force of gravity is too strong.
O There is no field outside the plates.
O The other side of the positive plate also has a negative charge.
A simple and common technique for accelerating electrons is shown, where there is a uniform electric field between two plates. Electrons are released,usually from a hot filament, near the negative plate, and there is a small hole in the positive plate that allows the electrons to continue moving. (a) Calculate the acceleration of the electron if the field strength is 2.50×104 N/C . (b) Explain why the electron will not be pulled back to the positive plateonce it moves through the hole.
Chapter 18 Solutions
College Physics
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