EC > GATE 2017 SET-1 > Antennas
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.
A
θ=90°, φ=45°
B
θ=45°, φ=90°
C
θ=90°, φ=135°
D
θ=45°, φ=135°

Correct : a

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Related Topics

half wavelength dipole radiation pattern dipole antenna GATE EC 2017 antenna radiation EC gate dipole orientation null in radiation pattern

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