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Electronics and Communication Engineering - Microwave Communication

Exercise : Microwave Communication - Section 8
11.
In a rectangular waveguide cutoff wavelength for TE10 mode is 8 cm. Then cutoff wavelength for TE20 mode is
8 cm
6 cm
4 cm
2 cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
In a coaxial line
the characteristic impedance is less than that of two wire line
the wave velocity is less than that of two wire line
both (a) and (b)
neither (a) nor (b)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
If a and b are the width and height of rectangular wave-guide the cut off wavelength λc for TE20 mode is equal to
a
a + b
a - b
a2 + b2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A TEM wave is incident normally on a perfect conductor. The E and H fields at boundary will respectively be
minimum and maximum
minimum and minimum
maximum and minimum
maximum and maximum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The scattering matrix of magic tee is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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