Correct Answer : Option (A) : balun
Explanation : Balun gives 4 : 1 impedance transformation and is suited for coupling a coaxial line to two wire line.
Correct Answer : left to right
Correct Answer : Fading
Explanation : Tropospheric scatter propagation is subject to two types of fading called Rayleigh fading (due to multipath propagation) and fading due to variations in atmospheric conditions along the propagation path.
Correct Answer : 13 mm