Engineering Electromagnetics Engineering ELEC 3104 Lecture 6 Electrostatics I Sections 4-1 to 4-5 from Text Sections Overview Charge densities Charge...

please see the attached file : Q3.jpg for reading the questionIn a certain region, the electric flux density is given byD =2r(z + l)cos ϕ ar -r (z + l)sin ϕ aϕ + r^2 cosϕaz µC/m^2(a) Find the charge density. (b) Calculate the total charge enclosed by the volume 0 < r < 2, 0 < φ< =2,0 < z < 4.

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