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Practice over 1000+ GATE-level questions from this topic!

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Q#1 Waveguides GATE EC 2003 MCQ +2 marks -0.66 marks

A rectangular metal wave-guide filled with a dielectric material of relative permittivity  has the inside dimensions 3.0cm×1.2cm. The cut-off frequency for the dominant mode is

2.5 GHz

5.0 GHz

10.0 GHz

12.5 GHz

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