The modes in a rectangular waveguide are denoted by TEmn/TMmn where m and n are the eigen numbers along the larger and smaller dimensions of the waveguide respectively. Which one of the following statements is TRUE?
(A) The TM10 mode of the wave does not exist
(B) The TE10 mode of the wave does not exist
(C) The TM10 and the TE10 modes both exist and have the same cut-off
frequencies
(D) The TM10 and TM10 modes both exist and have the same cut-off frequencies
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7 comments:
a
the only tm11 mode is the dominant one,but in te case te10,te01 possible.
boath te10 and te 01 exist with same cut off frequency
A
ans C
STILL SOME OF THEM CONFUSING GUYS! THE CORRECT OPTION IS ""A"" BECAUSE TM(base)10 DOES'NT EXIST IN RECTANGULAR WAVE GUIDE AND TE(base)10 IS THE DOMINANT ONE.
A
A
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