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A surface charge distribution S = 2 nC/m2 exists on the body of an infinite cylinder...

A surface charge distribution S = 2 nC/m2 exists on the body of an infinite cylinder of radius 2 m; the z axis is the axis of this cylinder. Surrounding this surface charge distribution is a volumetric charge density V = 4(1 + r) nC/m3 which exists for 3 < r < 4 where r is the cylindrical coordinate in meters. We will attempt to determine the fields produced by these sources using Gauss's Law.

(a) Choose a coordinate system for this problem. Explain your reason for this choice.

(b) What field components should exist here, and what coordinate system variables should they be functions of?

(c) Use Gauss's Law to find the electric field for r < 2 m.

(d) Use Gauss's Law to find the electric field for 2 < r < 3 m.

(e) Use Gauss's Law to find the electric field for 3 < r < 4 m.

(f) Use Gauss's Law to nd the electric field for r > 4 m.

(g) Plot the amplitude of the field for 0 < r < 5 m. Interpret your result.

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