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Electronics and Communication Engineering - Microwave Communication

Exercise : Microwave Communication - Section 5
6.
When duct propagation exists
the line of sight and diffraction. Zone concepts are payable
the line of sight and diffraction zone concepts are not applicable
line of sight concept is applicable but diffraction zone concept is applicable
diffraction zone concept is not applicable but line of sight concept is not applicable
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
For l << λ, the equivalent circuit of a microwave resistor is
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
If μr is relative permeability, ∈r is relative permittivity, c is velocity of light fc is cutoff frequency, phase velocity vp (i.e., speed with which a particular phase of the wave travels down a rectangular waveguide at frequency f) is given by
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
If in line the characteristic impedance becomes real.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
In a microwave coaxial cable the inner conductor radius is a and inner radius of outside conductor is b. For TE11 mode the cut off wavelength is about
a + b
p(a + b)
pa
pb
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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