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2. A 100 V/m uniform plane wave of frequency 9 MHz is incident from the free space normal to
the surface of a material having ɛ, =9, µ̟ =4 and o = 10' s/m as shown below:
E0, Ho
E, =9, µ̟ = 4
E
Z.
y
a) Find the phaser expressions of electric and magnetic fields in free space
b) Find the phasor expressions of electric and magnetic fields in the lossy material
c) Find the time average power densities in both media (*

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