15-11. Determine the efficiency for an antenna with radiation resistance R, = 18.8 2, effective re- sistance R₂ = 0.4 02, and directive gain = 200. 15-12. Determine the power gain A, for problem 15-11.
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![15-11. Determine the efficiency for an antenna with radiation resistance R, = 18.8 2, effective re-
sistance R₂ = 0.4 02, and directive gain = 200.
15-12. Determine the power gain A, for problem 15-11.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcc78f584-42f0-4a78-9513-4c98dff625c6%2F3390f733-f701-42d9-badc-2f8ab324cd47%2F68rsslm_processed.jpeg&w=3840&q=75)
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