Electronics and Communication Engineering - Microwave Communication
Exercise :: Microwave Communication - Section 8
6.
In rectangular waveguides the ratio of width to height is about
Answer: Option C
Explanation:
7.
If wavelength in free space is λ0 wavelength in insulator λ, μr is relative permittivity or insulator and ∈r is relative permittivity or insulator, then
Answer: Option B
Explanation:
8.
In the given figure the circuits for input impedance of a microwave device with output ports match terminated. The device is
A.
E plane tee B.
H plane tee C.
magic tee D.
hybrid ring
Answer: Option D
Explanation:
9.
Which of these statements is correct?
A.
Ridge guide is essentially a form of capacitively loaded guide. B.
Ridge guide is essentially a form of inductively loaded guide. C.
Ridge guide is essentially a form of resistively loaded guide. D.
Ridge guide has higher power handling capacity than rectangular waveguide.
Answer: Option A
Explanation:
10.
A rectangular waveguide has width a. Then at the cutoff frequency (with corresponding wave length λc )
Answer: Option A
Explanation: