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The electric field of a TEM wave travelling in the +z direction is given by the following phasor, \bar{E}(z)=\hat{x} 10 \mathrm{e}^{-\mathrm{j} 25 \mathrm{z}} If the wave is traveling from medium

1 (air) to medium 2 (e, = 2), with the boundary between the two media being at z = 0. Find the reflection coefficient, and an expression for the total magnetic field in medium 1 (assume normal incidence) (4 points)

Fig: 1

Fig: 2

Fig: 3