M

Mr. Dubey • 52.30K Points
Coach 

Q. For long distance communication, which of the property is mainly necessary for the antenna?

(A) high directivity
(B) low directivity
(C) low gain
(D) broad beam width
Correct : Option (A)

Explanation: 
 long distance communication requires antenna with high directivity. to increase the directivity antenna arrays are used. with the antenna arrays, directivity and gain increases and beam width decreases.

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