Consider two points in an electric field. The potential at point 1, V1, is 48 V. The potential at point 2, V2, is 153 V. An electron at rest at point 1 is accelerated by the electric field to point 2. Part (a) Write an equation for the change of electric potential energy ΔU of the electron in terms of the symbols given. Part (b) Find the numerical value of the change of the electric potential energy in electron volts (eV). ΔU =
Consider two points in an electric field. The potential at point 1, V1, is 48 V. The potential at point 2, V2, is 153 V. An electron at rest at point 1 is accelerated by the electric field to point 2. Part (a) Write an equation for the change of electric potential energy ΔU of the electron in terms of the symbols given. Part (b) Find the numerical value of the change of the electric potential energy in electron volts (eV). ΔU =
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter26: Electric Potential
Section: Chapter Questions
Problem 67PQ: A charged particle is moved in a uniform electric field between two points, A and B, as depicted in...
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Consider two points in an electric field. The potential at point 1, V1, is 48 V. The potential at point 2, V2, is 153 V. An electron at rest at point 1 is accelerated by the electric field to point 2.
Part (a) Write an equation for the change of electric potential energy ΔU of the electron in terms of the symbols given. |
Part (b) Find the numerical value of the change of the electric potential energy in electron volts (eV). | |||
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Part (c) Express v2, the speed of the electron at point 2, in terms of ΔU, and the mass of the electron me. | ||||
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