The plane z=0 defines the boundary between two dielectrics. For z < 0, 4, =0,. Let the electric field, E = 100 cos(cat-12:) V/m

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The plane z=0 defines the boundary between two dielectrics. For z < 0, 4, "=0,. Let the electric field, E = 100 cos(cat-12:) V/m in region 1 (z 0, 21.5, E2"=0, p= (5 pts) 1). Determine: a. and the reflection coefficient I. b. The phasor form of the incident electric & magnetic field, the average incident power density,