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Electromagnetic Field Theory - Engineering

Q1:

Calculate cut off frequency for dominant mode in rectangular waveguide if dimensions are a = 2, b = 1 cm.

A 7.5 GHz

B 1.5 GHz

C 15 GHz

D 150 GHz

ANS:A - 7.5 GHz

7.5 x 109 Hz 7.5 GHz.