Q. A rectangular horn antenna has an aperture area of 3λ × 2λ. If the aperture efficiency of an antenna is 90%, then the directivity of the antenna is:

(A) 19 db
(B) 17.1 db
(C) 13 db
(D) 21.1 db

💬 Discuss

✅ Correct Answer: (B) 17.1 db

Explanation: given the aperture dimensions of an antenna, the directivity that can be achieved is ap4π a/λ2, where a is the aperture area and λ is the operating

Published by Mr. Dubey ⭐ 109.99K Points at 13-Sep-2023 07:25 am in Antennas and Microwave Engineering

Explanation by: Mr. Dubey

given the aperture dimensions of an antenna, the directivity that can be achieved is ap4π a/λ2, where a is the aperture area and λ is the operating

💬 Discussion

📊 Question Analytics

👁️

998

Total Visits

📽️

3 y ago

Published

🎖️

Mr. Dubey

Publisher

📈

88%

Success Rate

Q. A rectangular horn antenna has an aperture area of 3λ × 2λ. If the aperture efficiency of an antenna is 90%, then the directivity of the antenna is:

Explanation by: Mr. Dubey

💬 Discussion

Related MCQs

📊 Question Analytics