Question: An air-filled rectangular waveguide has dimensions 8 cm x 10 cm . The phase velocity of guided wave at frequency of 3 GH z for TE 10 mode is
Options
A : 1.5 x 10 8 m/s
B : 5.5 x 10 8 m/s
C : 3.46 x 10 8 m/s
D : 0.18 x 10 7 m/s
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