What is the cutoff frequency for TE₁₁ mode in a circular wavegu – McqOptions

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1.	What is the cutoff frequency for TE₁₁ mode in a circular waveguide of radius 2 cm with P’₁₁= 1.841?
A.	5.5 GHz
B.	4.3 GHz
C.	7.7 GHz
D.	8.1 GHz
Answer» C. 7.7 GHz

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