A rectangular waveguide of internal dimensions (a = 4 cm and b = 3 cm) – McqOptions

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1.	A rectangular waveguide of internal dimensions (a = 4 cm and b = 3 cm) is to be operated in TE11 mode. The minimum operating frequency is:
A.	6.25 GHz
B.	6.0 GHz
C.	5.0 GHz
D.	3.75 GHz
Answer» B. 6.0 GHz

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