Question: The region z < 0 is characterized by ' r = r = 1 and r = 0. The total E field here is

The region z < 0 is characterized by ∈'_r = μ_r = 1 and r = 0. The total E field here is given as the sum of two uniform plane waves, E_s = 150 e^−j10za_x + (50 ∠ 20◦) e^j10za_x V/m.

(a) What is the operating frequency?

(b) Specify the intrinsic impedance of the region z > 0 that would provide the appropriate reflected wave.

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