Explore topic-wise MCQs in Antennas.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.

1.

Which of the following will add the field of the driven element and will excite the next parasitic element to increase the gain of the antenna?

A. Director
B. Reflector
C. Active element
D. Boom
Answer» B. Reflector
Discussion
2.

In order to convert the bidirectional dipole to unidirectional system, we use _______

A. Active element
B. Driven element
C. Parasitic element
D. Isolator
Answer» D. Isolator
Discussion
3.

A Yagi-Uda antenna is ____

A. Only a super directive antenna
B. Only a super gain antenna
C. Both super directive and super gain
D. Neither super directive nor super gain
Answer» D. Neither super directive nor super gain
Discussion
4.

In which of the following bands Yagi-Uda antenna operates?

A. HF-UFH
B. VLF-MF
C. LF-HF
D. UHF-EHF
Answer» B. VLF-MF
Discussion
5.

Folded dipole is used than a single dipole in Yagi-Uda to obtain wider frequency range.

A. True
B. False
Answer» B. False
Discussion
6.

The dipole to which the power is applied directly from the feeder in the Yagi-Uda antenna is called as _____

A. Director
B. Reflector
C. Driven element
D. Boom
Answer» D. Boom
Discussion
7.

A narrow beam-width is obtained through a large number of directors.

A. True
B. False
Answer» B. False
Discussion
8.

What is the radiation pattern of a Yagi-Uda antenna?

A. Broad-side
B. End-fire
C. Collinear
D. Both Broadside and End-fire
Answer» C. Collinear
Discussion
9.

Directors are used to increase ______ of the Yagi-Uda antenna.

A. Directivity
B. Gain
C. Back lobe
D. Reflection away from the radiation
Answer» C. Back lobe
Discussion
10.

The directivity of Yagi-Uda antenna is increased by adding ______

A. reflectors
B. driven element
C. directors
D. boom
Answer» B. driven element
Discussion