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Exam Questions Papers - Engineering

Q1:

A 4 cm by 3 cm rectangular waveguide with air cavity, is operating at 12 GHz with TE11 mode. The cut-off frequency is:

A 6.25 GHz

B 4.75 GHz

C 1.5 GHz

D 8.75 GHz

ANS:A - 6.25 GHz

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