Question

The velocity of the transmission line with a frequency of 35 radian/s and phase constant of 68.5 is (a) 1.95 (b) 2.36 (c) 4.56 (d) 3.48 This question was posed to me by my school principal while I was bunking the class. I would like to ask this question from Lossless and Distortionless Line in chapter 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 answer is (a) 1.95 To explain I would say: The velocity of the wave in a transmission line is the ratio of the frequency to the phase constant. Thus v = ω/β. On substituting for ω = 35 and β = 68.5, we get v = 68.5/35 = 1.95 units.