Question

In free space, the Poisson equation becomes (a) Maxwell equation (b) Ampere equation (c) Laplace equation (d) Steady state equation This question was posed to me in an internship interview. This interesting question is from Poisson and Laplace Equation in division Electrostatic Boundary Value Problem 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) Laplace equation To explain I would say: The Poisson equation is given by Del^2(V) = -ρ/ε. In free space, the charges will be zero. Thus the equation becomes, Del^2(V) = 0, which is the Laplace equation.