# Electronics and Communication Engineering - Microwave Communication

Exercise : Microwave Communication - Section 8
6.
In rectangular waveguides the ratio of width to height is about
0.5
1
2
4
Explanation:
No answer description is available. Let's discuss.

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
Explanation:
No answer description is available. Let's discuss.

8.
In the given figure the circuits for input impedance of a microwave device with output ports match terminated. The device is
E plane tee
H plane tee
magic tee
hybrid ring
Explanation:
No answer description is available. Let's discuss.

9.
Which of these statements is correct?
Ridge guide is essentially a form of capacitively loaded guide.
Ridge guide is essentially a form of inductively loaded guide.
Ridge guide is essentially a form of resistively loaded guide.
Ridge guide has higher power handling capacity than rectangular waveguide.
Explanation:
No answer description is available. Let's discuss.

10.
A rectangular waveguide has width a. Then at the cutoff frequency (with corresponding wave length λc)
a = λc
a = 2λc