Find the cutoff frequency of dominant mode in an air-filled circular waveguide having inner radius of 1 cm which is excited in dominant mode at 12 GHz.

Find the cutoff frequency of dominant mode in an air-filled circular w

1.	Find the cutoff frequency of dominant mode in an air-filled circular waveguide having inner radius of 1 cm which is excited in dominant mode at 12 GHz.
A.	10 GHz
B.	3.5 GHz
C.	6.5 GHz
D.	8.791 GHz
Answer» E.

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Find the cutoff frequency of dominant mode in an air-filled circular waveguide having inner radius of 1 cm which is excited in dominant mode at 12 GHz.

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