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Mr. Dubey • 52.30K Points
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Q.                    antennas consist of a regular arrangement of antenna elements with a feed network

(A) aperture antennas
(B) array antennas
(C) printed antennas
(D) wire antennas
Correct : Option (B)

Explanation: 
 array antennas consist of a regular arrangement of antenna elements with a feed network. pattern characteristics such as beam pointing angle and side lobe levels can be controlled by adjusting the amplitude and phase excitation of array elements.

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