Electronics and Communication Engineering - Electromagnetic Field Theory - Discussion

Discussion Forum : Electromagnetic Field Theory - Section 1 (Q.No. 31)
31.
Calculate the wave impedance for TM mode in rectangular waveguide for dominant mode at 3 GHz having
(120p) Ω
377 Ω
226 Ω
629 Ω
Answer: Option
Explanation:

η = 226 Ω.

Discussion:
3 comments Page 1 of 1.

Midhun Joy said:   3 years ago
It is given that mode of propagation is the TM wave. So, the dominant mode is TM11 ie m=1 amd n=1.
(1)

Tennyson said:   6 years ago
The value of a is not given in the question, so how are we going to find fc?

Arya said:   7 years ago
Here the Negative value come inside the root.

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