The cut off wavelength of the rectangular waveguide in dominant mode with dimensions 6 cm x 4 cm is(a) 12cm(b) 6cm(c) 4cm(d) 2cmThe question was posed to me in semester exam.I'm obligated to ask this question of Phase and Group Velocity topic in portion Waveguides of Electromagnetic Theory

The cut off wavelength of the rectangular waveguide in dominant mode w

1.	The cut off wavelength of the rectangular waveguide in dominant mode with dimensions 6 cm x 4 cm is(a) 12cm(b) 6cm(c) 4cm(d) 2cmThe question was posed to me in semester exam.I'm obligated to ask this question of Phase and Group Velocity topic in portion Waveguides of Electromagnetic Theory
Answer» Correct OPTION is (a) 12cm Best explanation: The cut off WAVELENGTH in the DOMINANT mode is given by λc = 2a/m, where a is the broad wall dimension. On substituting for m = 1 and a = 6CM, we get the cut off wavelength as 12cm.

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The cut off wavelength of the rectangular waveguide in dominant mode with dimensions 6 cm x 4 cm is(a) 12cm(b) 6cm(c) 4cm(d) 2cmThe question was posed to me in semester exam.I'm obligated to ask this question of Phase and Group Velocity topic in portion Waveguides of Electromagnetic Theory

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