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For a lossless antenna, maximum Power gain equals to the maximum directive gain.

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For a lossless antenna, maximum Power gain equals to the maximum directive gain.

(a) True

(b) False

I got this question during an online exam.

My doubt stems from Directive Gain in section Antenna Parameters of Antennas
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The correct option is (a) True

To elaborate: For a lossless antenna, ohmic losses will be zero. So, radiation efficiency will be 100%. Hence, maximum power gain will be equal to the maximum directive gain of antenna.
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