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Directors are used to increase ______ of the Yagi-Uda antenna.

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Directors are used to increase ______ of the Yagi-Uda antenna.

(a) Directivity

(b) Gain

(c) Back lobe

(d) Reflection away from the radiation

I got this question in an internship interview.

The above asked question is from Yagi in portion Folded Dipole & Yagi – Uda Antenna of Antennas

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Best answer
Correct answer is (b) Gain

The best explanation: Reflectors will increase the directivity of antenna by reflecting all energy towards radiation direction of antenna. Addition of directors leads to focus the beam in the forward direction. So, directors will increase the gain of antenna.

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