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Electrical size of antenna is increased by which of the following?

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Electrical size of antenna is increased by which of the following?

(a) Antenna Array

(b) Decreasing the coverage area

(c) Increasing the coverage area

(d) Using a single antenna

The question was asked in an internship interview.

This intriguing question comes from Introduction in chapter Antenna Array of Antennas

1 Answer

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Best answer
Right option is (a) Antenna Array

To explain I would say: To increase the directivity antenna arrays are used. With the antenna arrays, directivity and gain increases and beam width decreases. The electrical size of the antenna is increased by placing an array antenna together to achieve high directivity.

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