A circular disk of radius a (lies on z = 0) is uniformly charged with rhos C/m^2. (A) Find the electric field E at (0,0,h). (B) Find E at (0,0,0) and (0,0,infinity) based on the result of part (A). The answer to part (A) is E = (\rhos / 2*permitivity of free space)(1 - (h / ((a^2 + h^2)^1/2)))az. Please provide a detailed step-by-step solution to part (B). Thank you!

A circular disk of radius a (lies on z = 0) is uniformly charged with rhos C/m^2. (A) Find the electric field E at (0,0,h). (B) Find E at (0,0,0) and (0,0,infinity) based on the result of part (A). The answer to part (A) is E = (\rhos / 2*permitivity of free space)(1 - (h / ((a^2 + h^2)^1/2)))az. Please provide a detailed step-by-step solution to part (B). Thank you!

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