Question

Evaluate Gauss law for D = 5r^2/4 i in spherical coordinates with r = 4m and θ = π/2. (a) 600 (b) 599.8 (c) 588.9 (d) 577.8 This question was addressed to me during an interview. This question is from Surface Integral topic in section Vector Calculus of Electromagnetic Theory Select the correct answer from above options Electromagnetic Theory questions and answers, Electromagnetic Theory questions pdf, Electromagnetic Theory question bank, Electromagnetic Theory questions and answers pdf, mcq on Electromagnetic Theory pdf,electromagnetic theory book pdf,electromagnetic theory pdf notes,electromagnetic theory lecture notes,electromagnetic theory of light,maxwell electromagnetic theory,electromagnetic theory proposed by,electromagnetic theory engineering physics,electromagnetic theory nptel

Answer 1

The correct choice is (c) 588.9 To explain: ∫∫ ( 5r^2/4) . (r^2 sin θ dθ dφ), which is the integral to be evaluated. Put r = 4m and substitute θ = 0→ π/4 and φ = 0→ 2π, the integral evaluates to 588.9.