GATE EC 2001 Electromagnetics Solution Q 5

GATE EC 2001 Electromagnetics Solution Q 5

The dominant mode in a rectangular waveguide is TE10 because this mode has __.

a) no attenuation

b) no cut-off

c) no magnetic field component

d) the highest cut-off wavelength

Ans-(d)

Explanation

Dominant mode is a mode with lowest cut-off frequency or highest cut-off wavelength.

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