Question

Which equation will be true, if the medium is considered to be air? (a) Curl(H) = 0 (b) Div(H) = 0 (c) Grad(H) = 0 (d) Div(H) = 1 The question was asked during an internship interview. This intriguing question comes from Maxwell Law 4 in portion Maxwell Equations 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

Right option is (b) Div(H) = 0 Easy explanation: From the Gauss law for magnetic field, the divergence of the magnetic flux density is zero. Also B = μH. Thus divergence of H is also zero, i.e, Div(H) = 0 is true.