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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) 1/4This question was posed to me in quiz.Query is from Intrinsic Impedance and Propagation Constant in section Transmission Lines of Electromagnetic Theory

Answer» 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.


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