Question

The reflection coefficient of a wave travelling through two media having electric intrinsic impedances of 3 and 5 respectively is (a) 2 (b) 8 (c) ^5⁄3 (d) 1/4 This question was posed to me in quiz. Query is from Intrinsic Impedance and Propagation Constant in section Transmission Lines 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 option is (d) 1/4 Easy explanation: The reflection coefficient in terms for intrinsic impedance is R= η2-η1/η2+η1. On substituting the given data, we get R = 5 – 3/5 + 3 = 2/8 = ¼.