engineering recuitment GATE ECE 2023-24 Test Series Electromagnetic Theory Antennas Half Wave Dipole Antenna
A half wavelength dipole is kept in the x-y plane and oriented along 45° from the x-axis. Determine the direction of null in the radiation pattern for 0 ≤ Φ ≤ π. Here the angle θ (0 ≤ θ ≤ π) is measured from the z-axis, and the angle Φ (0 ≤ Φ ≤ 2π) is measured from the x-axis in the x-y plane.
1
θ = 90°, Φ = 45°
2
θ = 45°, Φ = 90°
3
θ = 90°, Φ = 135°
4
θ = 45°, Φ = 135°