Question

Calculate the phase constant of a dielectric with frequency 6 x 10^6 in air. (a) 2 (b) 0.2 (c) 0.02 (d) 0.002 The question was asked by my college director while I was bunking the class. The question is from Plane Waves in Dielectrics topic in chapter EM Wave Propagation 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 answer is (c) 0.02 For explanation I would say: The phase constant of a dielectric is given by β = ω√(με). On substituting for ω = 6 x 10^6 , μ = 4π x 10^-7, ε = 8.854 x 10^-12 in air medium, we get the phase constant as 0.02 units.