IndiaBIX

Electronics and Communication Engineering - Microwave Communication

Exercise : Microwave Communication - Section 8
46.
A waveguide twist is used to change the plane of polarization.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Consider the following statements about directional coupler shown in the figure
  1. Ports 1 and 2 are decouple
  2. Ports 3 and 4 are decoupled
  3. Pots 1 and 3 are decoupled
  4. Ports 1 and 4 are decoupled
Which of the above statements are correct?
1 and 2 only
3 and 4 only
1, 2 and 3
2, 3 and 4
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
In a multicavity klystron amplifier the electron velocity of the order of
10 m/s
103 m/s
106 m/s
1012 m/s
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
At a frequency equal to cutoff frequency in a rectangular wave guide
the flow of electromagnetic energy is zero
the flow of electromagnetic energy is infinite
the flow of electromagnetic energy is 50% of maximum
the flow of electromagnetic energy is 10% of maximum
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Two identical hybrid tees are joined as shown in the given figure. If 16 mW power is fed into port 1, the power output at ports 2 , 3, 1', 2', 3' respectively is
8, 4, 2, 2, 0 mW
0, 8, 4, 4, 0 mW
0, 8, 2, 2, mW
8, 2, 4, 2, 0 mW
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers