Explore topic-wise MCQs in Microwave Engineering.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

If an antenna has a directivity of 16 and is operating at a wavelength of , then the maximum effective aperture efficiency is:

A. 1.27 <sup>2</sup>
B. 2.56 <sup>2</sup>
C. 0.87 <sup>2</sup>
D. None of the mentioned
Answer» B. 2.56 <sup>2</sup>
2.

A rectangular horn antenna has an aperture area of 3 2 . 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
Answer» C. 13 dB
3.

A rectangular horn antenna has an aperture area of 3 2 . Then the maximum directivity that can be achieved by this rectangular horn antenna is:

A. 24 dB
B. 4 dB
C. 19 dB
D. Insufficient data
Answer» D. Insufficient data