Question

Transform the spherical system B = (10/r)i + (10cos θ)j + k into cylindrical form at (5, π/2, -2) (a) 2.467i + j + 1.167k (b) 2.467i – j + 1.167k (c) 2.467i – j – 1.167k (d) 2.467i + j – 1.167k This question was addressed to me in quiz. My question comes from Cylindrical Coordinate System in section Coordinate Systems and Transforms 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

Correct choice is (a) 2.467i + j + 1.167k The best explanation: The equivalent cylindrical form is given by, B = (10sin θ/r + rcos2θ)i + j + (10cos θ/r –r sin θ cos θ)k At (5, π/2, -2), r = √(5^2+-2^2) = √29 sin θ = 5/√29 and cos θ = -2/√29 Thus, B = 2.467i + j + 1.167k.