13) a) A ring of charge sits in the xy plane. It has a radius of 0.25 m and a linear charge density of A=0.2C/m. What is the electric potential at a point z directly above its center? b) What is the magnitude and direction of the electric field at that point where you computed the potential?
13) a) A ring of charge sits in the xy plane. It has a radius of 0.25 m and a linear charge density of A=0.2C/m. What is the electric potential at a point z directly above its center? b) What is the magnitude and direction of the electric field at that point where you computed the potential?
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 45PQ: The charge density on a disk of radius R = 12.0 cm is given by = ar, with a = 1.40 C/m3 and r...
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