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.

Reflective region in LPDA offers the inductive impedance.

A. True
B. False
Answer» B. False
2.

Which of the following region is also known as reflective region in LPDA?

A. Inactive transmission line region
B. Active region
C. Inactive stop region
D. Log periodic array
Answer» D. Log periodic array
3.

In which of the following region of the log periodic array, maximum radiation takes place?

A. Inactive transmission line region
B. Active region
C. Inactive stop region
D. Reflective region
Answer» C. Inactive stop region
4.

In which of the following region in LPDA, the current leads the base voltage?

A. Inactive transmission line region
B. Active region
C. Inactive stop region
D. Reflective region
Answer» B. Active region
5.

The dipoles in the inactive stop region offer ________ impedance.

A. Capacitive
B. Resistive
C. Inductive
D. Characteristic
Answer» D. Characteristic
6.

The dipoles in the active region offer ________ impedance.

A. Capacitive
B. Resistive
C. Inductive
D. Characteristic
Answer» C. Inductive
7.

The dipoles in the inactive transmission region offer ________ impedance.

A. Capacitive
B. Resistive
C. Inductive
D. Characteristic
Answer» B. Resistive
8.

Which of the following is the condition for the Log periodic antenna to be inactive transmission line region?

A. (L= frac{ }{2} )
B. (L > frac{ }{2} )
C. (L < frac{ }{2} )
D. (L = frac{ }{4} )
Answer» D. (L = frac{ }{4} )
9.

Which of the following is the condition for the Log periodic antenna to be inactive stop region?

A. (L= frac{ }{2} )
B. (L > frac{ }{2} )
C. (L < frac{ }{2} )
D. (L = frac{ }{4} )
Answer» C. (L < frac{ }{2} )
10.

Which of the following is the condition for the Log periodic antenna to be in active region?

A. (L = frac{ }{2} )
B. (L > frac{ }{2} )
C. (L < frac{ }{2} )
D. (L = frac{ }{4} )
Answer» B. (L > frac{ }{2} )