Electronics and Communication Engineering - Electromagnetic Field Theory - Discussion
Discussion Forum : Electromagnetic Field Theory - Section 1 (Q.No. 10)
10.
A rectangular metal waveguide filled with a dielectric of relative permittivity εr = 4, has the inside dimensions 3 x 1.2 cm, the cut off frequency for the dominant mode is
Answer: Option
Explanation:
for dominant mode.
Discussion:
15 comments Page 2 of 2.
Allaa said:
1 decade ago
c = c0/sqrt(εr).
f = c/2a.
f = c/2a.
Midhun Joy said:
3 years ago
Option A is the correct answer.
Vijay said:
8 years ago
Fc should be divided by 2.
Sunil Chavan said:
8 years ago
A is the answer.
Pk rai said:
9 years ago
A is correct.
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