To Study the Properties of Magic Tee and Determining the Scattering Parameters of Magic Tee.

In a Magic Tee, how many ports are there?
Which device can detect the presence of both forward and backward waves in a wave guide ______.
Consider the following statements about a magic tee:
1. The collinear arms are isolated from each other.
2. On of the collinear arms is isolated from E arm.
3. On of the collinear arms is isolated from H arm.
4. E and H arms are isolated from each other.
Which of these statements are correct?
A reflex Klystron functions as
Which one of the following is also called 'rat race'?