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Exam Questions Papers - Engineering

Q1:

An air-filled rectangular waveguide has dimensions 8cm x 10cm. The phase velocity of guided wave at frequency of 3 GHz for TE10 mode is

A 1.5 x 108 m/s

B 5.5 x 108 m/s

C 3.46 x 108 m/s

D 0.18 x 107 m/s

ANS:C - 3.46 x 108 m/s

∴ VP = 3.46 x 108 m/s.