Exercise: Microwave Communication

Questions for: Microwave Communication

In TE10 mode the largest electric field in a rectangular wave guide, occurs
A:
along centre line of broad wall (i.e. x = a/2)
B:
along the broad wall (i.e. x = 0 and x = a)
C:
either (a) or (b)
D:
neither (a) nor (b)
Answer: A
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The arrangement in the given figure is a hybid T. If 100 mW fed at port 1, the power reflected back at port 1 is
A:
0
B:
25 mW
C:
50 mW
D:
100 mW
Answer: C
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In a reflex klystron the output frequency is determined primarily by resonant frequency of cavity.
A:
True
B:
False
C:
D:
Answer: A
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Consider the following statements, SWR of a transmission line is infinite when the load is
  1. a short circuit
  2. a complex impedance
  3. an open circuit
  4. a pure reactance
Which of the above statements are correct?
A:
1 and 3 only
B:
1, 2, 3
C:
2, 3, 4
D:
1, 2, 4
Answer: A
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Directive gain of elementary doublet is
A:
100
B:
10
C:
1.5
D:
0.5
Answer: C
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