Electronics and Communication Engineering - Electromagnetic Field Theory - Discussion

Discussion Forum : Electromagnetic Field Theory - Section 7 (Q.No. 16)
16.
A plane EM wave is travelling in an unbound loss less dielectric having μy = 1 and εy = 4, the time average Poynting vector of the wave is 5 W/m3 . The phase velocity vp (assuming velocity of light as 3 x 108 m/sec) is
1.5 x 108 m/sec
3 x 108 m/sec
2.5 x 108 m/sec
0.5 x 108 m/sec
Answer: Option
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