In terms of R, L, G and C the propagation constant ? of a transmission line is

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Question
In terms of R, L, G and C the propagation constant ? of a transmission line is
Options
A.
B.
C.
D.

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2. Which of the following are true for magic tee in the given figure select the answer as per given codes
1. S₁₃ = S₂₃
2. S₁₄ = S₂₄
3. S₁₂ = 0
4. S₃₄ = 0
Options
A. 1, 2 and 3
B. 1, 2 and 4
C. 2, 3 and 4
D. 1, 3 and 4

5. The p mode of operation of magnetron signifies that
Options
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

6. 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?
Options
A. 1, 2 and 3
B. 1 and 2 only
C. 1 only
D. 1 and 3 only

7. If a microstrip is enclosed in a metal enclosure
Options
A. the radiation losses are increased
B. the radiation losses are reduced RL
C. the capacitance becomes zero
D. the inductance becomes zero

9. Loading of a line means
Options
A. increasing inductance of line
B. increasing distributed inductance of line
C. decreasing distributed inductance of line
D. decreasing inductance of line

10. A rectangular waveguide has two stubs each length connected at the source end. The stubs are short circuted. Then
Options
A. the longitudinal current is power current and current in stubs is reactive
B. the longitudinal current is reactive current and current in stubs is power current
C. both power and reactive exists in both longitudinal direction and stubs
D. the current in stubs is zero

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