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Electronics and Communication Engineering - Microwave Communication

Exercise : Microwave Communication - Section 4
6.
In a TWT the amplitude of resultant wave travelling down the helix remains constant
True
False
Answer: Option
Explanation:

The signal gets strengthened.

7.
In the given figure forward current wave has a magnitude of
0.45 A
0.3 A
0.2 A
0.1 A
Answer: Option
Explanation:

8.
In an infinite line the input impedance at every point is equal to characteristic impedance.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Consider the following time parameters
  1. Domain growth time constant.
  2. Transit time.
  3. Dielectric relaxation time in positive mobility regime.
Which of the above are used in connection width transferred electron device?
1, 2, and 3
1 and 2 only
1 and 3 only
2 and 3 only
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
PIN diode has
p+ and n layers separated by i layer
p+ and n+ layers separated by i layer
p- and n- layers separated by i layer
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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