Exercise: Microwave Communication

Questions for: Microwave Communication

Consider the following statements (L is the length of array between centres of end antennas and A is wave-length)
  1. Width of major lobe between nulls of broad side array and end fire array are different.
  2. Directive gain of broadside array and end fire array are different.
  3. Directive gain of broadside array is 4
Which of the above statements are correct?
A:
1, 2 and 3
B:
1 and 2 only
C:
1 only
D:
1 and 3 only
Answer: D
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The p mode of operation of magnetron signifies that
A:
the phase difference between adjacent anode poles is p radians
B:
the phase difference between adjacent anode poles is a multiple of p radians
C:
the total phase shift around the periphery is p radians
D:
none of the above
Answer: A
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In terms of R, L, G and C the propagation constant γ of a transmission line is
A:
B:
C:
D:
Answer: B
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The primary constants of a transmission line are
A:
R and L
B:
R, L and C
C:
R and C
D:
R, L, G and C
Answer: D
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In TE mode of waveguide Ez = 0
A:
True
B:
False
C:
D:
Answer: A
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