Question: the following questions before the Lab. How do you represent a scalar wave equation? What is the difference between lossy and lossless medium for electromagnetic

the following questions before the Lab. How do you represent a scalar wave equation? What is the difference between lossy and lossless medium for electromagnetic waves? What is the skin depth? Explain the reflection coefficient, , and the transmission coefficient, . An electric field is given by E=40 cos(210^8 t x) a_y V/m. Find the direction of propagation and calculate

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