Explore topic-wise MCQs in Antennas.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Antennas knowledge and support exam preparation. Choose a topic below to get started.

1.

The relation between the spacing factor and the scaling factor is given by ____

A. ( =tan^{-1}( frac{1- }{4 }) )
B. ( =tan^{-1}( frac{1- }{2 }) )
C. ( =tan^{-1} u2061( frac{4 }{1- }) )
D. ( =tan^{-1} u2061( frac{2 }{1- }) )
Answer» B. ( =tan^{-1}( frac{1- }{2 }) )
2.

The longest and shortest dipole lengths are taken in the form of the wavelength of the operating frequencies in LPDA.

A. True
B. False
Answer» B. False
3.

The value of periodicity factor in LPDA is _____

A. < 1
B. >1
C. 1
D. =0
Answer» B. >1
4.

What is the ratio of maximum frequency to minimum frequency if the scaling factor is 0.5 for 5 elements LPDA?

A. 16
B. 2
C. 4
D. 8
Answer» B. 2