Question

The standing wave ratio of the wave with maximum and minimum electric field intensities of 12 and 4 is (a) 12 (b) 4 (c) 3 (d) 48 I have been asked this question in an interview for internship. Origin of the question is 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

Right choice is (c) 3 Explanation: The SWR is defined as the ratio of maximum electric field intensities to the minimum field intensities. It is given by S = EMAX/EMIN. Thus for the given data, S = 12/4 = 3.