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Calculate the phase constant of a dielectric with frequency 6 x 10^6 in air.(a) 2(b) 0.2(c) 0.02(d) 0.002The 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

Answer»

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.


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