Electronics and Communication Engineering - Exam Questions Papers - Discussion

Discussion Forum : Exam Questions Papers - Exam Paper 16 (Q.No. 19)
19.
For plane wave propagating in free space or two conductor transmission line, what must be the relationship between the phase velocity vp , the group velocity vg and speed of light c?
vp > c > vg
vp < c < vg
vp = c = vg
vp < vg < c
Answer: Option
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