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Electromagnetic Field Theory - Engineering

Q1:

A wave is propagated in a waveguide at frequency of 9 GHz and separation is 2 cm between walls Calculate group velocity for dominant mode.

A 1.8 x 108 m/sec

B 5 x 108 m/sec

C 3 x 108 m/sec

D 1.5 x 108 m/sec

ANS:A - 1.8 x 108 m/sec

Vg . Vp = C2 where .