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The radiation pattern of a half-wave dipole has the shape of a ______

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The radiation pattern of a half-wave dipole has the shape of a ______

(a) Doughnut

(b) Sphere

(c) Hemisphere

(d) Circular

I got this question in examination.

I'm obligated to ask this question of Types of Antenna in chapter Antennas and Wave Propagation of Avionics

1 Answer

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The correct option is (a) Doughnut

The explanation: The radiation pattern of any antenna is the shape of the electromagnetic energy radiated from or received by that antenna. Typically that radiation is concentrated in a pattern that has a recognizable geometric shape. The radiation pattern of a half-wave dipole has the shape of a doughnut.

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