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Digital Waves

The modes in ...

Question

The modes in a rectangular waveguide are denoted by $T E_{m n} / T M_{m n}$ 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?

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Solution

Ans : (a)

In case of rectangular wave guide $T E_{m n}$ exists for all values of m and n except m = 0 and n = 0. For $T M_{m n}$ to exist both values of m and n must be non zero

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