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Directive gain with maximum radiation intensity is called as Directivity.

(a) True

(b) False

I had been asked this question in examination.

I need to ask this question from Directivity in portion Antenna Parameters of Antennas

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Correct option is (a) True

The explanation is: Directivity is defined as ratio of maximum power density in desired direction to the average power radiated in all directions. This is simply, maximum Directive gain. Maximum Directive gain is obtained if maximum radiation intensity is present in desired direction.

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