Explore topic-wise MCQs in Antennas.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.

1.

What will be the array factor in polynomial form for the 3 element binomial array if Z=e^(-i )?

A. 1+2z+z<sup>2</sup>
B. 1+3z+3z<sup>2</sup>+z<sup>3</sup>
C. 1+2z+3z<sup>2</sup>+z<sup>3</sup>
D. 1+3z+z<sup>2</sup>
Answer» B. 1+3z+3z<sup>2</sup>+z<sup>3</sup>
2.

Dolph- Chebyshev becomes a Binomial array when there are no side lobes.

A. True
B. False
Answer» B. False
3.

Which of the following can be the excitation amplitude of binomial array with 4 elements?

A. 1 3 3 1
B. 1 2 3 1
C. 2 1 1 2
D. 1 4 6 4 1
Answer» B. 1 2 3 1
4.

Binomial array has high HPBW compared to Dolph-chebychev.

A. True
B. False
Answer» B. False
5.

Which of following is the disadvantage of the binomial array?

A. It has low amplitude variations
B. It has high range of amplitude variations
C. It has a high HPBW
D. It has low HPBW
Answer» B. It has high range of amplitude variations
6.

The excitation amplitudes of the binomial array follow ____________

A. Pascal s triangle
B. Bermuda triangle
C. Right angled triangle
D. Natural squares
Answer» B. Bermuda triangle
7.

Which of the following array is used to synthesize pattern without side lobes?

A. Binomial array
B. Linear array
C. End-fire array
D. Chebyshev array
Answer» B. Linear array